Modify TPM2 Plugin codes

Modify codes to use tpm2-tss version 1.2.0, tpm2-abrmd version 1.1.1
tpm2-tools version 2.1.0.

Issue-ID: AAF-94
Change-Id: I2feccbb8dbe718756a5fd363b8dc703562ccd5eb
Signed-off-by: NingSun <ning.sun@intel.com>

25 files changed, 627 insertions, 5828 deletions

diff --git a/TPM2-Plugin/lib/Makefile.am b/TPM2-Plugin/lib/Makefile.am
index ed5f3c0..3d52e9a 100644
--- a/TPM2-Plugin/lib/Makefile.am
+++ b/TPM2-Plugin/lib/Makefile.am
@@ -1,4 +1,4 @@
-AM_CPPFLAGS = -I ./include -I /opt/openssl
+AM_CPPFLAGS = -I ./include
 lib_LTLIBRARIES = libtpm2-plugin.la
-libtpm2_plugin_la_SOURCES =  tpm2_error.c tpm2_plugin_api.c tpm2_plugin_init.c tpm2_tcti_ldr.c tpm2_util.c  log.c files.c tpm2_attr_util.c tpm2_alg_util.c tpm2_hash.c tpm2_convert.c
-libtpm2_plugin_la_LDFLAGS = -version-info @VERSION_INFO@  -lsapi -ltss2-mu -ltcti-socket -ltcti-device -lcrypto -lssl -ldl
+libtpm2_plugin_la_SOURCES = tpm2_plugin_api.c tpm2_plugin_init.c 
+libtpm2_plugin_la_LDFLAGS = -version-info @VERSION_INFO@  -lsapi -ltcti-tabrmd -ltcti-socket -ltcti-device -lcrypto -lssl -ldl
diff --git a/TPM2-Plugin/lib/files.c b/TPM2-Plugin/lib/files.c
deleted file mode 100644
index b28a225..0000000
--- a/TPM2-Plugin/lib/files.c
+++ /dev/null
@@ -1,640 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#include <errno.h>
-#include <inttypes.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <tss2/tss2_sys.h>
-#include <tss2/tss2_mu.h>
-
-#include "files.h"
-#include "log.h"
-#include "tpm2_util.h"
-
-bool files_get_file_size(FILE *fp, unsigned long *file_size, const char *path) {
-
-    long current = ftell(fp);
-    if (current < 0) {
-        if (path) {
-            LOG_ERR("Error getting current file offset for file \"%s\" error: %s", path, strerror(errno));
-        }
-        return false;
-    }
-
-    int rc = fseek(fp, 0, SEEK_END);
-    if (rc < 0) {
-        if (path) {
-            LOG_ERR("Error seeking to end of file \"%s\" error: %s", path, strerror(errno));
-        }
-        return false;
-    }
-
-    long size = ftell(fp);
-    if (size < 0) {
-        if (path) {
-            LOG_ERR("ftell on file \"%s\" failed: %s", path, strerror(errno));
-        }
-        return false;
-    }
-
-    rc = fseek(fp, current, SEEK_SET);
-    if (rc < 0) {
-        if (path) {
-            LOG_ERR("Could not restore initial stream position for file \"%s\" failed: %s", path, strerror(errno));
-        }
-        return false;
-    }
-
-    /* size cannot be negative at this point */
-    *file_size = (unsigned long)size;
-    return true;
-}
-
-static bool read_bytes_from_file(FILE *f, UINT8 *buf, UINT16 *size,
-                                 const char *path) {
-    unsigned long file_size;
-    bool result = files_get_file_size(f, &file_size, path);
-    if (!result) {
-        /* get_file_size() logs errors */
-        return false;
-    }
-
-    /* max is bounded on UINT16 */
-    if (file_size > *size) {
-        if (path) {
-            LOG_ERR(
-                    "File \"%s\" size is larger than buffer, got %lu expected less than %u",
-                    path, file_size, *size);
-        }
-        return false;
-    }
-
-    result = files_read_bytes(f, buf, file_size);
-    if (!result) {
-        if (path) {
-            LOG_ERR("Could not read data from file \"%s\"", path);
-        }
-        return false;
-    }
-
-    *size = file_size;
-
-    return true;
-}
-
-bool files_load_bytes_from_path(const char *path, UINT8 *buf, UINT16 *size) {
-    if (!buf || !size || !path) {
-        return false;
-    }
-
-    FILE *f = fopen(path, "rb");
-    if (!f) {
-        LOG_ERR("Could not open file \"%s\" error %s", path, strerror(errno));
-        return false;
-    }
-
-    bool result = read_bytes_from_file(f, buf, size, path);
-
-    fclose(f);
-    return result;
-}
-
-bool files_save_bytes_to_file(const char *path, UINT8 *buf, UINT16 size) {
-
-    if (!path || !buf) {
-        return false;
-    }
-
-    FILE *fp = fopen(path, "wb+");
-    if (!fp) {
-        LOG_ERR("Could not open file \"%s\", error: %s", path, strerror(errno));
-        return false;
-    }
-
-    bool result = files_write_bytes(fp, buf, size);
-    if (!result) {
-        LOG_ERR("Could not write data to file \"%s\"", path);
-    }
-    fclose(fp);
-    return result;
-}
-
-/*
- * Current version to write TPMS_CONTEXT to disk.
- */
-#define CONTEXT_VERSION 1
-
-bool files_save_tpm_context_to_file(TSS2_SYS_CONTEXT *sysContext, TPM2_HANDLE handle,
-        FILE *stream) {
-
-    TPMS_CONTEXT context;
-
-    TSS2_RC rval = Tss2_Sys_ContextSave(sysContext, handle, &context);
-    if (rval != TPM2_RC_SUCCESS) {
-        LOG_PERR(Tss2_Sys_ContextSave, rval);
-        return false;
-    }
-
-    /*
-     * Saving the TPMS_CONTEXT structure to disk, format:
-     * TPM2.0-TOOLS HEADER
-     * U32 hiearchy
-     * U32 savedHandle
-     * U64 sequence
-     * U16 contextBlobLength
-     * BYTE[] contextBlob
-     */
-    bool result = files_write_header(stream, CONTEXT_VERSION);
-    if (!result) {
-        LOG_ERR("Could not write context file header");
-        goto out;
-    }
-
-    // UINT32
-    result = files_write_32(stream, context.hierarchy);
-    if (!result) {
-        LOG_ERR("Could not write hierarchy");
-        goto out;
-    }
-
-    result = files_write_32(stream, context.savedHandle);
-    if (!result) {
-        LOG_ERR("Could not write savedHandle");
-        goto out;
-    }
-
-    // UINT64
-    result = files_write_64(stream, context.sequence);
-    if (!result) {
-        LOG_ERR("Could not write sequence");
-        goto out;
-    }
-
-    // U16 LENGTH
-    result = files_write_16(stream, context.contextBlob.size);
-    if (!result) {
-        LOG_ERR("Could not write contextBob size");
-        goto out;
-    }
-
-    // BYTE[] contextBlob
-    result = files_write_bytes(stream, context.contextBlob.buffer,
-            context.contextBlob.size);
-    if (!result) {
-        LOG_ERR("Could not write contextBlob buffer");
-    }
-    /* result is set by file_write_bytes() */
-
-out:
-    return result;
-}
-
-bool files_save_tpm_context_to_path(TSS2_SYS_CONTEXT *sysContext, TPM2_HANDLE handle,
-        const char *path) {
-
-    FILE *f = fopen(path, "w+b");
-    if (!f) {
-        LOG_ERR("Error opening file \"%s\" due to error: %s", path,
-                strerror(errno));
-        return false;
-    }
-
-    bool result = files_save_tpm_context_to_file(sysContext, handle, f);
-    fclose(f);
-    return result;
-}
-
-
-bool files_load_tpm_context_from_file(TSS2_SYS_CONTEXT *sapi_context,
-        TPM2_HANDLE *handle, FILE *fstream) {
-
-    TSS2_RC rval;
-
-    /*
-     * Reading the TPMS_CONTEXT structure to disk, format:
-     * TPM2.0-TOOLS HEADER
-     * U32 hiearchy
-     * U32 savedHandle
-     * U64 sequence
-     * U16 contextBlobLength
-     * BYTE[] contextBlob
-     */
-    UINT32 version;
-    TPMS_CONTEXT context;
-    bool result = files_read_header(fstream, &version);
-    if (!result) {
-        LOG_WARN(
-            "The loaded tpm context does not appear to be in the proper format,"
-            "assuming old format, this will be converted on the next save.");
-        rewind(fstream);
-        result = files_read_bytes(fstream, (UINT8 *) &context, sizeof(context));
-        if (!result) {
-            LOG_ERR("Could not load tpm context file");
-            goto out;
-        }
-        /* Success load the context into the TPM */
-        goto load_to_tpm;
-    }
-
-    if (version != CONTEXT_VERSION) {
-        LOG_ERR("Unsupported context file format version found, got: %"PRIu32,
-                version);
-        result = false;
-        goto out;
-    }
-
-    result = files_read_32(fstream, &context.hierarchy);
-    if (!result) {
-        LOG_ERR("Error reading hierarchy!");
-        goto out;
-    }
-
-    result = files_read_32(fstream, &context.savedHandle);
-    if (!result) {
-        LOG_ERR("Error reading savedHandle!");
-        goto out;
-    }
-
-    result = files_read_64(fstream, &context.sequence);
-    if (!result) {
-        LOG_ERR("Error reading sequence!");
-        goto out;
-    }
-
-    result = files_read_16(fstream, &context.contextBlob.size);
-    if (!result) {
-        LOG_ERR("Error reading contextBlob.size!");
-        goto out;
-    }
-
-    if (context.contextBlob.size > sizeof(context.contextBlob.buffer)) {
-        LOG_ERR(
-                "Size mismatch found on contextBlob, got %"PRIu16" expected less than or equal to %zu",
-                context.contextBlob.size,
-                sizeof(context.contextBlob.buffer));
-        result = false;
-        goto out;
-    }
-
-    result = files_read_bytes(fstream, context.contextBlob.buffer,
-            context.contextBlob.size);
-    if (!result) {
-        LOG_ERR("Error reading contextBlob.size!");
-        goto out;
-    }
-
-load_to_tpm:
-    rval = Tss2_Sys_ContextLoad(sapi_context, &context, handle);
-    if (rval != TPM2_RC_SUCCESS) {
-        LOG_PERR(Tss2_Sys_ContextLoad, rval);
-        result = false;
-        goto out;
-    }
-
-    result = true;
-
-out:
-    return result;
-}
-
-bool files_load_tpm_context_from_path(TSS2_SYS_CONTEXT *sapi_context,
-        TPM2_HANDLE *handle, const char *path) {
-
-    FILE *f = fopen(path, "rb");
-    if (!f) {
-        LOG_ERR("Error opening file \"%s\" due to error: %s", path,
-                strerror(errno));
-        return false;
-    }
-
-    bool result = files_load_tpm_context_from_file(sapi_context, handle, f);
-
-    fclose(f);
-    return result;
-}
-
-bool files_does_file_exist(const char *path) {
-
-    if (!path) {
-        LOG_ERR("Path cannot be NULL");
-        return false;
-    }
-
-    FILE *fp = fopen(path,"rb");
-    if (fp) {
-        fclose(fp);
-        LOG_ERR("Path: %s already exists. Please rename or delete the file!",
-                path);
-        return true;
-    }
-    return false;
-}
-
-bool files_get_file_size_path(const char *path, unsigned long *file_size) {
-
-    bool result = false;
-
-    if (!path) {
-        LOG_ERR("Must specify a path argument, cannot be NULL!");
-        return false;
-    }
-
-    if (!file_size) {
-        LOG_ERR("Must specify a file size argument, cannot be NULL!");
-        return false;
-    }
-
-    FILE *fp = fopen(path,"rb");
-    if(!fp) {
-        LOG_ERR("Could not open file: \"%s\" error: %s", path, strerror(errno));
-        return false;
-    }
-
-    result = files_get_file_size(fp, file_size, path);
-
-    fclose(fp);
-    return result;
-}
-
-/**
- * This is the magic for the file header. The header is organized
- * as a big endian U32 (BEU32) of MAGIC followed by a BEU32 of the
- * version number. Tools can define their own, individual file
- * formats as they make sense, but they should always have the header.
- */
-static const UINT32 MAGIC = 0xBADCC0DE;
-
-/**
- * Writes size bytes to a file, continuing on EINTR short writes.
- * @param f
- *  The file to write to.
- * @param data
- *  The data to write.
- * @param size
- *  The size, in bytes, of that data.
- * @return
- *  True on success, False otherwise.
- */
-static bool writex(FILE *f, UINT8 *data, size_t size) {
-
-    size_t wrote = 0;
-    size_t index = 0;
-    do {
-        wrote = fwrite(&data[index], 1, size, f);
-        if (wrote != size) {
-            if (errno != EINTR) {
-                return false;
-            }
-            /* continue on EINTR */
-        }
-        size -= wrote;
-        index += wrote;
-    } while (size > 0);
-
-    return true;
-}
-
-/**
- * Reads size bytes from a file, continuing on EINTR short reads.
- * @param f
- *  The file to read from.
- * @param data
- *  The data buffer to read into.
- * @param size
- *  The size of the buffer, which is also the amount of bytes to read.
- * @return
- *  True on success, False otherwise.
- */
-static bool readx(FILE *f, UINT8 *data, size_t size) {
-
-    size_t bread = 0;
-    size_t index = 0;
-    do {
-        bread = fread(&data[index], 1, size, f);
-        if (bread != size) {
-            if (feof(f) || (errno != EINTR)) {
-                return false;
-            }
-            /* continue on EINTR */
-        }
-        size -= bread;
-        index += bread;
-    } while (size > 0);
-
-    return true;
-}
-
-#define BAIL_ON_NULL(param, x) \
-    do { \
-        if (!x) { \
-            LOG_ERR(param" must be specified"); \
-            return false; \
-        } \
-    } while(0)
-
-#define BE_CONVERT(value, size) \
-    do { \
-        if (!tpm2_util_is_big_endian()) { \
-            value = tpm2_util_endian_swap_##size(value); \
-        } \
-    } while (0)
-
-#define FILE_WRITE(size) \
-    bool files_write_##size(FILE *out, UINT##size data) { \
-        BAIL_ON_NULL("FILE", out); \
-        BE_CONVERT(data, size); \
-        return writex(out, (UINT8 *)&data, sizeof(data)); \
-    }
-
-#define FILE_READ(size) \
-    bool files_read_##size(FILE *out, UINT##size *data) { \
-	    BAIL_ON_NULL("FILE", out); \
-	    BAIL_ON_NULL("data", data); \
-        bool res = readx(out, (UINT8 *)data, sizeof(*data)); \
-        if (res) { \
-            BE_CONVERT(*data, size); \
-        } \
-        return res; \
-    }
-
-/*
- * all the files_read|write_bytes_16|32|64 functions
- */
-FILE_READ(16);
-FILE_WRITE(16)
-
-FILE_READ(32);
-FILE_WRITE(32)
-
-FILE_READ(64)
-FILE_WRITE(64)
-
-bool files_read_bytes(FILE *out, UINT8 bytes[], size_t len) {
-
-    BAIL_ON_NULL("FILE", out);
-    BAIL_ON_NULL("bytes", bytes);
-    return readx(out, bytes, len);
-}
-
-bool files_write_bytes(FILE *out, uint8_t bytes[], size_t len) {
-
-    BAIL_ON_NULL("FILE", out);
-    BAIL_ON_NULL("bytes", bytes);
-    return writex(out, bytes, len);
-}
-
-bool files_write_header(FILE *out, UINT32 version) {
-
-    BAIL_ON_NULL("FILE", out);
-
-    bool res = files_write_32(out, MAGIC);
-    if (!res) {
-        return false;
-    }
-    return files_write_32(out, version);
-}
-
-bool files_read_header(FILE *out, uint32_t *version) {
-
-    BAIL_ON_NULL("FILE", out);
-    BAIL_ON_NULL("version", version);
-
-    UINT32 magic;
-    bool res = files_read_32(out, &magic);
-    if (!res) {
-        return false;
-    }
-
-    if (magic != MAGIC) {
-        LOG_ERR("Found magic 0x%x did not match expected magic of 0x%x!",
-                magic, MAGIC);
-        return false;
-    }
-
-    return files_read_32(out, version);
-}
-
-bool files_load_bytes_from_file_or_stdin(const char *path, UINT16 *size, BYTE *buf) {
-
-    FILE *file =  path ? fopen(path, "rb") : stdin;
-    path = file != stdin ? path : "<stdin>";
-    if (!file) {
-        LOG_ERR("Could not open file: \"%s\", error: %s", path,
-                strerror(errno));
-        return false;
-    }
-
-    /*
-     * Attempt to accurately read the file based on the file size.
-     * This may fail on stdin when it's a pipe.
-     */
-    if (file == stdin) {
-        path = NULL;
-    }
-
-    UINT16 original_size = *size;
-    bool res = files_load_bytes_from_path(path, buf,
-            size);
-    if (!res) {
-        res = true;
-        *size = fread(buf, 1,
-                *size, file);
-        if (!feof(file)) {
-            LOG_ERR("Data to be sealed larger than expected. Got %u expected %u",
-                    original_size, res);
-            res = false;
-        }
-        else if (ferror(file)) {
-            LOG_ERR("Error reading sealed data from \"<stdin>\"");
-            res = false;
-        }
-    }
-
-    if (file != stdin) {
-        fclose(file);
-    }
-
-    return res;
-}
-
-#define SAVE_TYPE(type, name) \
-    bool files_save_##name(type *name, const char *path) { \
-    \
-        size_t offset = 0; \
-        UINT8 buffer[sizeof(*name)]; \
-        TSS2_RC rc = Tss2_MU_##type##_Marshal(name, buffer, sizeof(buffer), &offset); \
-        if (rc != TSS2_RC_SUCCESS) { \
-            LOG_ERR("Error serializing "str(name)" structure: 0x%x", rc); \
-            return false; \
-        } \
-    \
-        return files_save_bytes_to_file(path, buffer, offset); \
-    }
-
-#define LOAD_TYPE(type, name) \
-    bool files_load_##name(const char *path, type *name) { \
-    \
-        UINT8 buffer[sizeof(*name)]; \
-        UINT16 size = sizeof(buffer); \
-        bool res = files_load_bytes_from_path(path, buffer, &size); \
-        if (!res) { \
-            return false; \
-        } \
-        \
-        size_t offset = 0; \
-        TSS2_RC rc = Tss2_MU_##type##_Unmarshal(buffer, size, &offset, name); \
-        if (rc != TSS2_RC_SUCCESS) { \
-            LOG_ERR("Error serializing "str(name)" structure: 0x%x", rc); \
-            return false; \
-        } \
-        \
-        return rc == TPM2_RC_SUCCESS; \
-    }
-
-SAVE_TYPE(TPM2B_PUBLIC, public)
-LOAD_TYPE(TPM2B_PUBLIC, public)
-
-SAVE_TYPE(TPMT_SIGNATURE, signature)
-LOAD_TYPE(TPMT_SIGNATURE, signature)
-
-SAVE_TYPE(TPMT_TK_VERIFIED, ticket)
-LOAD_TYPE(TPMT_TK_VERIFIED, ticket)
-
-SAVE_TYPE(TPM2B_SENSITIVE, sensitive)
-LOAD_TYPE(TPM2B_SENSITIVE, sensitive)
-
-SAVE_TYPE(TPMT_TK_HASHCHECK, validation)
-LOAD_TYPE(TPMT_TK_HASHCHECK, validation)
-
-SAVE_TYPE(TPM2B_PRIVATE, private)
-LOAD_TYPE(TPM2B_PRIVATE, private)
diff --git a/TPM2-Plugin/lib/include/files.h b/TPM2-Plugin/lib/include/files.h
deleted file mode 100644
index a4befc8..0000000
--- a/TPM2-Plugin/lib/include/files.h
+++ /dev/null
@@ -1,398 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#ifndef FILES_H
-#define FILES_H
-
-#include <stdbool.h>
-#include <stdio.h>
-
-#include <tss2/tss2_sys.h>
-
-/**
- * Reads a series of bytes from a file as a byte array. This is similar to files_read_bytes(),
- * but opens and closes the FILE for the caller. Size is both an input and output value where
- * the size value is the max buffer size on call and the returned size is how much was read.
- *
- * This interface could be cleaned up in a later revision.
- * @param path
- *  The path to the file to open.
- * @param buf
- *  The buffer to read the data into
- * @param size
- *  The max size of the buffer on call, and the size of the data read on return.
- * @return
- *  True on success, false otherwise.
- */
-bool files_load_bytes_from_path(const char *path, UINT8 *buf, UINT16 *size);
-
-/**
- * Loads data from a file path or stdin enforcing an upper bound on size.
- * @param path
- *  The path to load data from, NULL means stdin.
- * @param size
- *  The maximum size.
- * @param buf
- *  The buffer to write the data into.
- * @return
- *  True on success or false otherwise.
- */
-bool files_load_bytes_from_file_or_stdin(const char *path, UINT16 *size, BYTE *buf);
-
-/**
- * Similar to files_write_bytes(), in that it writes an array of bytes to disk,
- * but this routine opens and closes the file on the callers behalf.
- * @param path
- *  The path to the file to write the data to.
- * @param buf
- *  The buffer of data to write
- * @param size
- *  The size of the data to write in bytes.
- * @return
- *  True on success, false otherwise.
- */
-bool files_save_bytes_to_file(const char *path, UINT8 *buf, UINT16 size);
-
-/**
- * Saves the TPM context for an object handle to disk by calling Tss2_Sys_ContextSave() and serializing the
- * resulting TPMS_CONTEXT structure to disk.
- * @param sapi_context
- *  The system api context
- * @param handle
- *  The object handle for the object to save.
- * @param path
- *  The output path of the file.
- *
- * @return
- *  True on success, False on error.
- */
-bool files_save_tpm_context_to_path(TSS2_SYS_CONTEXT *sapi_context, TPM2_HANDLE handle, const char *path);
-
-/**
- * Like files_save_tpm_context_to_path() but saves a tpm session to a FILE stream.
- * @param sapi_context
- *  The system api context
- * @param handle
- *  The object handle for the object to save.
- * @param stream
- *  The FILE stream to save too.
- * @return
- *  True on success, False on error.
- */
-bool files_save_tpm_context_to_file(TSS2_SYS_CONTEXT *sapi_context, TPM2_HANDLE handle,
-        FILE *stream);
-
-/**
- * Loads a TPM object context from disk.
- * @param sapi_context
- *  The system API context
- * @param handle
- *  The object handle that was saved.
- * @param path
- *  The path to the input file.
- * @return
- *  True on Success, false on error.
- */
-bool files_load_tpm_context_from_path(TSS2_SYS_CONTEXT *sapi_context, TPM2_HANDLE *handle, const char *path);
-
-/**
- * Like files_load_tpm_context_from_path() but loads the context from a FILE stream.
- * @param sapi_context
- *  The system API context
- * @param handle
- *  The object handle that was saved.
- * @param stream
- *  The FILE stream to read from.
- * @return
- *  True on success, False on error.
- */
-bool files_load_tpm_context_from_file(TSS2_SYS_CONTEXT *sapi_context,
-        TPM2_HANDLE *handle, FILE *stream);
-
-/**
- * Serializes a TPM2B_PUBLIC to the file path provided.
- * @param public
- *  The TPM2B_PUBLIC to save to disk.
- * @param path
- *  The path to save to.
- * @return
- *  true on success, false on error.
- */
-bool files_save_public(TPM2B_PUBLIC *public, const char *path);
-
-/**
- * Loads a TPM2B_PUBLIC from disk that was saved with files_save_pubkey()
- * @param path
- *  The path to load from.
- * @param public
- *  The TPM2B_PUBLIC to load.
- * @return
- *  true on success, false on error.
- */
-bool files_load_public(const char *path, TPM2B_PUBLIC *public);
-
-/**
- * Serializes a TPMT_SIGNATURE to the file path provided.
- * @param signature
- *  The TPMT_SIGNATURE to save to disk.
- * @param path
- *  The path to save to.
- * @return
- *  true on success, false on error.
- */
-bool files_save_signature(TPMT_SIGNATURE *signature, const char *path);
-
-/**
- * Loads a TPMT_SIGNATURE from disk that was saved with files_save_signature()
- * @param path
- *  The path to load from.
- * @param signature
- *  The TPMT_SIGNATURE to load.
- * @return
- *  true on success, false on error.
- */
-bool files_load_signature(const char *path, TPMT_SIGNATURE *signature);
-
-/**
- * Serializes a TPMT_TK_VERIFIED to the file path provided.
- * @param signature
- *  The TPMT_SIGNATURE to save to disk.
- * @param path
- *  The path to save to.
- * @return
- *  true on success, false on error.
- */
-bool files_save_ticket(TPMT_TK_VERIFIED *ticket, const char *path);
-
-/**
- * Loads a TPMT_TK_VERIFIED from disk that was saved with files_save_ticket()
- * @param path
- *  The path to load from.
- * @param signature
- *  The TPMT_TK_VERIFIED to load.
- * @return
- *  true on success, false on error.
- */
-bool files_load_ticket(const char *path, TPMT_TK_VERIFIED *ticket);
-
-/**
- * Loads a TPM2B_SENSITIVE from disk.
- * @param path
- *  The path to load from.
- * @param signature
- *  The TPM2B_SENSITIVE to load.
- * @return
- *  true on success, false on error.
- */
-bool files_load_sensitive(const char *path, TPM2B_SENSITIVE *sensitive);
-
-/**
- * Serializes a TPM2B_SENSITIVE to the file path provided.
- * @param sensitive
- *  The TPM2B_SENSITIVE to save to disk.
- * @param path
- *  The path to save to.
- * @return
- *  true on success, false on error.
- */
-bool files_save_sensitive(TPM2B_SENSITIVE *sensitive, const char *path);
-/**
- * Serializes a TPMT_TK_HASHCHECK to the file path provided.
- * @param validation
- *  The TPMT_TK_HASHCHECK to save to disk.
- * @param path
- *  The path to save to.
- * @return
- *  true on success, false on error.
- */
-bool files_save_validation(TPMT_TK_HASHCHECK *validation, const char *path);
-
-/**
- * Loads a TPMT_TK_HASHCHECK from disk.
- * @param path
- *  The path to load from.
- * @param validation
- *  The TPMT_TK_HASHCHECK to load.
- * @return
- *  true on success, false on error.
- */
-bool files_load_validation(const char *path, TPMT_TK_HASHCHECK *validation);
-
-/**
- * Serializes a TPM2B_PRIVATE to the file path provided.
- * @param private
- *  The TPM2B_PRIVATE to save to disk.
- * @param path
- *  The path to save to.
- * @return
- *  true on success, false on error.
- */
-bool files_save_private(TPM2B_PRIVATE *private, const char *path);
-
-/**
- * Loads a TPM2B_PRIVATE from disk.
- * @param private
- *  The path to load from.
- * @param validation
- *  The TPM2B_PRIVATE to load.
- * @return
- *  true on success, false on error.
- */
-bool files_load_private(const char *path, TPM2B_PRIVATE *private);
-
-/**
- * Checks a file for existence.
- * @param path
- *  The file to check for existence.
- * @return
- * true if a file exists with read permissions, false if it doesn't exist or an error occurs.
- *
- */
-bool files_does_file_exist(const char *path);
-
-/**
- * Retrieves a files size given a file path.
- * @param path
- *  The path of the file to retreive the size of.
- * @param file_size
- *  A pointer to an unsigned long to return the file size. The
- *  pointed to value is valid only on a true return.
- *
- * @return
- *  True for success or False for error.
- */
-bool files_get_file_size_path(const char *path, unsigned long *file_size);
-
-/**
- * Similar to files_get_file_size_path(), but uses an already opened FILE object.
- * @param fp
- *  The file pointer to query the size of.
- * @param file_size
- *  Output of the file size.
- * @param path
- *  An optional path used for error reporting, a NULL path disables error logging.
- * @return
- *  True on success, False otherwise.
- */
-bool files_get_file_size(FILE *fp, unsigned long *file_size, const char *path);
-
-/**
- * Writes a TPM2.0 header to a file.
- * @param f
- *  The file to write to.
- * @param version
- *  The version number of the format of the file.
- * @return
- *  True on success, false on error.
- */
-bool files_write_header(FILE *f, UINT32 version);
-
-/**
- * Reads a TPM2.0 header from a file.
- * @param f
- *  The file to read.
- * @param version
- *  The version that was found.
- * @return
- *  True on Success, False on error.
- */
-bool files_read_header(FILE *f, UINT32 *version);
-
-/**
- * Writes a 16 bit value to the file in big endian, converting
- * if needed.
- * @param out
- *  The file to write.
- * @param data
- *  The 16 bit value to write.
- * @return
- *  True on success, False on error.
- */
-bool files_write_16(FILE *out, UINT16 data);
-
-/**
- * Same as files_write_16 but for 32 bit values.
- */
-bool files_write_32(FILE *out, UINT32 data);
-
-/**
- * Same as files_write_16 but for 64 bit values.
- */
-bool files_write_64(FILE *out, UINT64 data);
-
-/**
- * Writes a byte array out to a file.
- * @param out
- *  The file to write to.
- * @param data
- *  The data to write.
- * @param size
- *  The size of the data to write in bytes.
- * @return
- *  True on success, False otherwise.
- */
-bool files_write_bytes(FILE *out, UINT8 data[], size_t size);
-
-/**
- * Reads a 16 bit value from a file converting from big endian to host
- * endianess.
- * @param out
- *  The file to read from.
- * @param data
- *  The data that is read, valid on a true return.
- * @return
- *  True on success, False on error.
- */
-bool files_read_16(FILE *out, UINT16 *data);
-
-/**
- * Same as files_read_16 but for 32 bit values.
- */
-bool files_read_32(FILE *out, UINT32 *data);
-
-/**
- * Same as files_read_16 but for 64 bit values.
- */
-bool files_read_64(FILE *out, UINT64 *data);
-
-/**
- * Reads len bytes from a file.
- * @param out
- *  The file to read from.
- * @param data
- *  The buffer to read into, only valid on a True return.
- * @param size
- *  The number of bytes to read.
- * @return
- *  True on success, False otherwise.
- */
-bool files_read_bytes(FILE *out, UINT8 data[], size_t size);
-
-#endif /* FILES_H */
diff --git a/TPM2-Plugin/lib/include/log.h b/TPM2-Plugin/lib/include/log.h
deleted file mode 100644
index a93c1c2..0000000
--- a/TPM2-Plugin/lib/include/log.h
+++ /dev/null
@@ -1,107 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#ifndef SRC_LOG_H_
-#define SRC_LOG_H_
-
-#include <stdbool.h>
-#include <stdio.h>
-
-#include <tss2/tss2_sys.h>
-
-#include "tpm2_error.h"
-#include "tpm2_util.h"
-
-typedef enum log_level log_level;
-enum log_level {
-    log_level_error,
-    log_level_warning,
-    log_level_verbose
-};
-
-void _log (log_level level, const char *file, unsigned lineno, const char *fmt, ...)
-    COMPILER_ATTR(format (printf, 4, 5));
-
-/*
- * Prints an error message. The fmt and variadic arguments mirror printf.
- *
- * Use this to log all error conditions.
- */
-#define LOG_ERR(fmt, ...) _log(log_level_error, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
-
-/**
- * Prints an error message for a TSS2_Sys call to the TPM.
- * The format is <function-name>(0x<rc>) - <error string>
- * @param func
- *  The function that caused the error
- * @param rc
- *  The return code to print.
- */
-#define LOG_PERR(func, rc) _LOG_PERR(xstr(func), rc)
-
-/**
- * Internal use only.
- *
- * Handles the expanded LOG_PERR call checking argument values
- * and handing them off to LOG_ERR.
- * @param func
- *  The function name.
- * @param rc
- *  The rc to decode.
- */
-static inline void _LOG_PERR(const char *func, TSS2_RC rc) {
-
-    LOG_ERR("%s(0x%X) - %s", func, rc, tpm2_error_str(rc));
-}
-
-/*
- * Prints an warning message. The fmt and variadic arguments mirror printf.
- *
- * Use this to log a warning. A warning is when something is wrong, but it is not a fatal
- * issue.
- */
-#define LOG_WARN(fmt, ...) _log(log_level_warning, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
-
-/*
- * Prints an informational message. The fmt and variadic arguments mirror printf.
- *
- * Informational messages are only shown when verboseness is increased. Valid messages
- * would be debugging type messages where additional, extraneous information is printed.
- */
-#define LOG_INFO(fmt, ...) _log(log_level_verbose, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
-
-/**
- * Sets the log level so only messages <= to it print.
- * @param level
- *  The logging level to set.
- */
-void log_set_level (log_level level);
-
-#endif /* SRC_LOG_H_ */
diff --git a/TPM2-Plugin/lib/include/tcti_util.h b/TPM2-Plugin/lib/include/tcti_util.h
deleted file mode 100644
index 1b3b289..0000000
--- a/TPM2-Plugin/lib/include/tcti_util.h
+++ /dev/null
@@ -1,109 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-
-//
-// The context for TCTI implementations is on opaque
-// structure. There shall never be a definition of its content.
-// Implementation provide the size information to
-// applications via the initialize call.
-// This makes use of a compiler trick that allows type
-// checking of the pointer even though the type isn't
-// defined.
-//
-// The first field of a Context must be the common part
-// (see below).
-#ifndef TSS2_TCTI_UTIL_H
-#define TSS2_TCTI_UTIL_H
-
-#if defined linux || defined unix
-#include <sys/socket.h>
-#define SOCKET int
-#endif
-
-#include <tcti/common.h>
-
-#define TCTI_MAGIC   0x7e18e9defa8bc9e2
-#define TCTI_VERSION 0x1
-
-#define TCTI_LOG_CALLBACK(ctx) ((TSS2_TCTI_CONTEXT_INTEL*)ctx)->logCallback
-#define TCTI_LOG_DATA(ctx)     ((TSS2_TCTI_CONTEXT_INTEL*)ctx)->logData
-#define TCTI_LOG_BUFFER_CALLBACK(ctx) ((TSS2_TCTI_CONTEXT_INTEL*)ctx)->logBufferCallback
-
-typedef TSS2_RC (*TCTI_TRANSMIT_PTR)( TSS2_TCTI_CONTEXT *tctiContext, size_t size, uint8_t *command);
-typedef TSS2_RC (*TCTI_RECEIVE_PTR) (TSS2_TCTI_CONTEXT *tctiContext, size_t *size, uint8_t *response, int32_t timeout);
-
-enum tctiStates { TCTI_STAGE_INITIALIZE, TCTI_STAGE_SEND_COMMAND, TCTI_STAGE_RECEIVE_RESPONSE };
-
-/* current Intel version */
-typedef struct {
-    uint64_t magic;
-    uint32_t version;
-    TCTI_TRANSMIT_PTR transmit;
-    TCTI_RECEIVE_PTR receive;
-    TSS2_RC (*finalize) (TSS2_TCTI_CONTEXT *tctiContext);
-    TSS2_RC (*cancel) (TSS2_TCTI_CONTEXT *tctiContext);
-    TSS2_RC (*getPollHandles) (TSS2_TCTI_CONTEXT *tctiContext,
-              TSS2_TCTI_POLL_HANDLE *handles, size_t *num_handles);
-    TSS2_RC (*setLocality) (TSS2_TCTI_CONTEXT *tctiContext, uint8_t locality);
-    struct {
-        UINT32 debugMsgEnabled: 1;
-        UINT32 locality: 8;
-        UINT32 commandSent: 1;
-        UINT32 rmDebugPrefix: 1;  // Used to add a prefix to RM debug messages.  This is ONLY used
-                                  // for TPM commands and responses as a way to differentiate
-                                  // RM generated TPM commands from application generated ones.
-
-        // Following two fields used to save partial response status in case receive buffer's too small.
-        UINT32 tagReceived: 1;
-        UINT32 responseSizeReceived: 1;
-        UINT32 protocolResponseSizeReceived: 1;
-    } status;
-
-    // Following two fields used to save partial response in case receive buffer's too small.
-    TPM_ST tag;
-    TPM_RC responseSize;
-
-    TSS2_TCTI_CONTEXT *currentTctiContext;
-
-    // Sockets if socket interface is being used.
-    SOCKET otherSock;
-    SOCKET tpmSock;
-    SOCKET currentConnectSock;
-
-    // File descriptor for device file if real TPM is being used.
-    int devFile;
-    UINT8 previousStage;            // Used to check for sequencing errors.
-    unsigned char responseBuffer[4096];
-    TCTI_LOG_CALLBACK logCallback;
-    TCTI_LOG_BUFFER_CALLBACK logBufferCallback;
-    void *logData;
-} TSS2_TCTI_CONTEXT_INTEL;
-
-#define TCTI_CONTEXT ( (TSS2_TCTI_CONTEXT_COMMON_CURRENT *)(SYS_CONTEXT->tctiContext) )
-#define TCTI_CONTEXT_INTEL ( (TSS2_TCTI_CONTEXT_INTEL *)tctiContext )
-
-#endif
diff --git a/TPM2-Plugin/lib/include/tpm2_alg_util.h b/TPM2-Plugin/lib/include/tpm2_alg_util.h
deleted file mode 100644
index b9511dc..0000000
--- a/TPM2-Plugin/lib/include/tpm2_alg_util.h
+++ /dev/null
@@ -1,196 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#ifndef LIB_TPM2_ALG_UTIL_H_
-#define LIB_TPM2_ALG_UTIL_H_
-
-#include <stdbool.h>
-
-#include <tss2/tss2_sys.h>
-
-/**
- * Iterator callback routine for iterating over known algorithm name and value
- * pairs.
- * @param id
- *  The algorithm id.
- * @param name
- *  The associated "nice-name".
- * @param userdata
- *  A user supplied data pointer.
- * @return
- *  True to stop iterating, false to keep iterating.
- */
-typedef bool (*tpm2_alg_util_alg_iteraror)(TPM2_ALG_ID id, const char *name, void *userdata);
-
-/**
- * Iterate over the algorithm name-value pairs calling the iterator callback for each pair.
- * @param iterator
- *  The iterator callback function.
- * @param userdata
- *  A pointer to user supplied data, this is passed to the iterator for each call.
- */
-void tpm2_alg_util_for_each_alg(tpm2_alg_util_alg_iteraror iterator, void *userdata);
-
-/**
- * Convert a "nice-name" string to an algorithm id.
- * @param name
- *  The "nice-name" to convert.
- * @return
- *  TPM2_ALG_ERROR on error, or a valid algorithm identifier.
- */
-TPM2_ALG_ID tpm2_alg_util_strtoalg(const char *name);
-
-/**
- * Convert an id to a nice-name.
- * @param id
- *  The id to convert.
- * @return
- *  The nice-name.
- */
-const char *tpm2_alg_util_algtostr(TPM2_ALG_ID id);
-
-/**
- * Converts either a string from algrotithm number or algorithm nice-name to
- * an algorithm id.
- * @param optarg
- *  The string to convert from an algorithm number or nice name.
- * @return
- *  TPM2_ALG_ERROR on error or the algorithm id.
- */
-TPM2_ALG_ID tpm2_alg_util_from_optarg(char *optarg);
-
-/**
- * Detects if an algorithm is considered a hashing algorithm.
- * @param id
- *  The algorithm id to check.
- * @return
- *  True if it is a hash algorithm, False otherwise.
- */
-bool tpm2_alg_util_is_hash_alg(TPM2_ALG_ID id);
-
-/**
- * Contains the information from parsing an argv style vector of strings for
- * pcr digest language specifications.
- */
-typedef struct tpm2_pcr_digest_spec tpm2_pcr_digest_spec;
-struct tpm2_pcr_digest_spec {
-    TPML_DIGEST_VALUES digests;
-    TPMI_DH_PCR pcr_index;
-};
-
-/**
- * Parses an argv array that contains a digest specification at each location
- * within argv.
- *
- * The digest specification is as follows:
- *   - A pcr identifier as understood by strtoul with 0 as the base.
- *   - A colon followed by the algorithm hash specification.
- *   - The algorithm hash specification is as follows:
- *       - The algorithm friendly name or raw numerical as understood by
- *         strtoul with a base of 0.
- *       - An equals sign
- *       - The hex hash value,
- *
- *   This all distills to a string that looks like this:
- *   <pcr index>:<hash alg id>=<hash value>
- *
- *   Example:
- *   "4:sha=f1d2d2f924e986ac86fdf7b36c94bcdf32beec15"
- *
- *   Note:
- *   Multiple specifications of PCR and hash are OK. Multiple hashes
- *   cause the pcr to be extended with both hashes. Multiple same PCR
- *   values cause the PCR to be extended multiple times. Extension
- *   is done in order from left to right as specified.
- *
- *   At most 5 hash extensions per PCR entry are supported. This
- *   is to keep the parser simple.
- *
- * @param sapi_context
- *  The system API context for hashing files with the tpm. This can
- *  be NULL if the argument vector doesn't have a file spec for the hash.
- * @param argv
- *  The argv of digest specifications to parse.
- * @param len
- *  The number of digest specifications to parse.
- * @param digests
- *  An array of tpm2_pcr_digest_spec big enough to hold len items.
- * @return
- *  True if parsing was successful, False otherwise.
- *  @note
- *  This function logs errors via LOG_ERR.
- */
-bool pcr_parse_digest_list(char **argv, int len,
-        tpm2_pcr_digest_spec *digest_spec);
-
-/**
- * Retrieves the size of a hash in bytes for a given hash
- * algorithm or 0 if unknown/not found.
- * @param id
- *  The HASH algorithm identifier.
- * @return
- *  0 on failure or the size of the hash bytes.
- */
-UINT16 tpm2_alg_util_get_hash_size(TPMI_ALG_HASH id);
-
-/**
- * Extracts the plain signature data without any headers
- *
- * Communicates errors via LOG_ERR.
- *
- * @param size
- *  Will receive the number of bytes stored in buffer.
- * @signature The actual signature struct to extract the plain signature from.
- * @return
- *  Returns a buffer filled with the extracted signature or NULL on error.
- *  Needs to be free()'d by the caller.
- */
-UINT8* tpm2_extract_plain_signature(UINT16 *size, TPMT_SIGNATURE *signature);
-
-/**
- * Retrieves an approproate signature scheme (scheme) signable by
- * specified key (keyHandle) and hash algorithm (halg).
- * @param sapi_context
- *  System API context for tpm
- * @param keyHandle
- *  Handle to key used in signing operation
- * @param halg
- *  Hash algoritm for message
- * @param scheme
- *  Signature scheme output
- * @return
- *  True if successful
- *  False otherwise, and scheme is left unmodified
- */
-bool get_signature_scheme(TSS2_SYS_CONTEXT *sapi_context,
-        TPMI_DH_OBJECT keyHandle, TPMI_ALG_HASH halg,
-        TPMT_SIG_SCHEME *scheme);
-
-#endif /* LIB_TPM2_ALG_UTIL_H_ */
diff --git a/TPM2-Plugin/lib/include/tpm2_attr_util.h b/TPM2-Plugin/lib/include/tpm2_attr_util.h
deleted file mode 100644
index 5964174..0000000
--- a/TPM2-Plugin/lib/include/tpm2_attr_util.h
+++ /dev/null
@@ -1,98 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#ifndef LIB_TPM2_ATTR_UTIL_H_
-#define LIB_TPM2_ATTR_UTIL_H_
-
-#include <stdbool.h>
-
-#include <tss2/tss2_sys.h>
-
-/**
- * Converts a list of | (pipe) separated attributes as defined in tavle 204
- * of https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf
- * to an actual bit field representation. The trailing TPMA_NV_ can be omitted and must be lower-case.
- * For exmaple, TPMA_NV_PPWRITE, bcomes ppwrite. To append them together, just do the pipe inbetwwen.
- * ppwrite|ownerwrite.
- *
- * @param attribute_list
- *  The attribute string to parse, which may be modified in place.
- * @param nvattrs
- *  The TPMA_NV attributes set based on the attribute list. Only valid on true returns.
- * @return
- *  true on success, false on error.
- */
-bool tpm2_attr_util_nv_strtoattr(char *attribute_list, TPMA_NV *nvattrs);
-
-/**
- * Like tpm2_attr_util_nv_strtoattr() but converts TPMA_OBJECT attributes as defined in:
- * Table 31 of https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf
- * @param attribute_list
- *   The attribute string to parse, which may be modified in place.
- *  The TPMA_OBJECT attributes set based on the attribute list. Only valid on true returns.
- * @return
- *  true on success, false on error.
- */
-bool tpm2_attr_util_obj_strtoattr(char *attribute_list, TPMA_OBJECT *objattrs);
-
-/**
- * Converts a numerical or friendly string described object attribute into the
- * TPMA_OBJECT. Similar to tpm2_alg_util_from_optarg().
- * @param argvalue
- *  Either a raw numeric for a UINT32 or a friendly name object attribute list
- *  as in tpm2_attr_util_nv_strtoattr().
- * @param objattrs
- *  The converted bits for a TPMA_OBJECT
- * @return
- *  true on success or false on error.
- */
-bool tpm2_attr_util_obj_from_optarg(char *argvalue, TPMA_OBJECT *objattrs);
-
-/**
- * Converts a TPMA_NV structure to a friendly name style string.
- * @param nvattrs
- *  The nvattrs to convert to nice name.
- * @return A string allocated with calloc(), callers shall use
- * free() to free it. The string is a null terminated text representation
- * of the TPMA_NV attributes.
- */
-char *tpm2_attr_util_nv_attrtostr(TPMA_NV nvattrs);
-
-/**
- * Like tpm2_nv_util_obj_strtoattr() but converts TPMA_OBJECT attributes as defined in:
- * Table 31 of https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf
- * @param objattrs
- *  The object parameters to convert to a name
- * @return
- *  The name of the object attrs as a string that must be freed via free().
- */
-char *tpm2_attr_util_obj_attrtostr(TPMA_OBJECT objattrs);
-
-#endif /* LIB_TPM2_ATTR_UTIL_H_ */
diff --git a/TPM2-Plugin/lib/include/tpm2_convert.h b/TPM2-Plugin/lib/include/tpm2_convert.h
deleted file mode 100644
index 275d96a..0000000
--- a/TPM2-Plugin/lib/include/tpm2_convert.h
+++ /dev/null
@@ -1,99 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, SUSE GmbH
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-
-#ifndef CONVERSION_H
-#define CONVERSION_H
-
-#include <stdbool.h>
-
-#include <tss2/tss2_sys.h>
-
-typedef enum tpm2_convert_pubkey_fmt tpm2_convert_pubkey_fmt;
-enum tpm2_convert_pubkey_fmt {
-    pubkey_format_tss,
-    pubkey_format_pem,
-    pubkey_format_der,
-    pubkey_format_err
-};
-
-typedef enum tpm2_convert_sig_fmt tpm2_convert_sig_fmt;
-enum tpm2_convert_sig_fmt {
-    signature_format_tss,
-    signature_format_plain,
-    signature_format_err
-};
-
-/**
- * Parses the given command line public key format option string and returns
- * the corresponding pubkey_format enum value.
- *
- * LOG_ERR is used to communicate errors.
- *
- * @return
- *   On error pubkey_format_err is returned.
- */
-tpm2_convert_pubkey_fmt tpm2_convert_pubkey_fmt_from_optarg(const char *label);
-
-/**
- * Converts the given public key structure into the requested target format
- * and writes the result to the given file system path.
- *
- * LOG_ERR is used to communicate errors.
- */
-bool tpm2_convert_pubkey_save(TPM2B_PUBLIC *public, tpm2_convert_pubkey_fmt format, const char *path);
-
-/**
- * Loads a public key in the TSS format from a file.
- * @param public
- *  The public key to load
- * @param format
- * @param path
- * @return
- */
-bool tpm2_convert_pubkey_load(TPM2B_PUBLIC *public, const char *path);
-
-/**
- * Parses the given command line signature format option string and returns
- * the corresponding signature_format enum value.
- *
- * LOG_ERR is used to communicate errors.
- *
- * @return
- *   On error signature_format_err is returned.
- */
-tpm2_convert_sig_fmt tpm2_convert_sig_fmt_from_optarg(const char *label);
-
-/**
- * Converts the given signature data into the requested target format and
- * writes the result to the given file system path.
- *
- * LOG_ERR is used to communicate errors.
- */
-bool tpm2_convert_sig(TPMT_SIGNATURE *signature, tpm2_convert_sig_fmt format,
-        const char *path);
-
-#endif /* CONVERSION_H */
diff --git a/TPM2-Plugin/lib/include/tpm2_error.h b/TPM2-Plugin/lib/include/tpm2_error.h
deleted file mode 100644
index 01ec043..0000000
--- a/TPM2-Plugin/lib/include/tpm2_error.h
+++ /dev/null
@@ -1,136 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2018, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-
-#ifndef LIB_TPM2_ERROR_H_
-#define LIB_TPM2_ERROR_H_
-
-#include <stdbool.h>
-
-#include <tss2/tss2_sys.h>
-
-/**
- * Number of error layers
- */
-#define TPM2_ERROR_TSS2_RC_LAYER_COUNT (TSS2_RC_LAYER_MASK >> TSS2_RC_LAYER_SHIFT)
-
-/**
- * Mask for the error bits of tpm2 compliant return code.
- */
-#define TPM2_ERROR_TSS2_RC_ERROR_MASK 0xFFFF
-
-/**
- * Retrieves the error bits from a TSS2_RC. The error bits are
- * contained in the first 2 octets.
- * @param rc
- *  The rc to query for the error bits.
- * @return
- *  The error bits.
- */
-static inline UINT16 tpm2_error_get(TSS2_RC rc) {
-    return ((rc & TPM2_ERROR_TSS2_RC_ERROR_MASK));
-}
-
-/**
- * A custom error handler prototype.
- * @param rc
- *  The rc to decode with only the error bits set, ie no need to mask the
- *  layer bits out. Handlers will never be invoked with the error bits set
- *  to 0, as zero always indicates success.
- * @return
- *  An error string describing the rc. If the handler cannot determine
- *  a valid response, it can return NULL indicating that the framework
- *  should just print the raw hexidecimal value of the error field of
- *  a tpm2_err_layer_rc.
- *  Note that this WILL NOT BE FREED by the caller,
- *  i.e. static.
- */
-typedef const char *(*tpm2_error_handler)(TSS2_RC rc);
-
-/**
- * Register or unregister a custom layer error handler.
- * @param layer
- *  The layer in which to register a handler for. It is an error
- *  to register for the following reserved layers:
- *    - TSS2_TPM_RC_LAYER  - layer  0
- *    - TSS2_SYS_RC_LAYER  - layer  8
- *    - TSS2_MU_RC_LAYER   - layer  9
- *    - TSS2_TCTI_RC_LAYER - layer 10
- * @param name
- *  A friendly layer name. It is an error for the name to be of
- *  length 0 or greater than 4.
- * @param handler
- *  The handler function to register or NULL to unregister.
- * @return
- *  True on success or False on error.
- */
-bool tpm2_error_set_handler(UINT8 layer, const char *name,
-        tpm2_error_handler handler);
-
-/**
- * Given a TSS2_RC return code, provides a static error string in the format:
- * <layer-name>:<layer-specific-msg>.
- *
- * The layer-name section will either be the friendly name, or if no layer
- * handler is registered, the base10 layer number.
- *
- * The "layer-specific-msg" is layer specific and will contain details on the
- * error that occurred or the error code if it couldn't look it up.
- *
- * Known layer specific substrings:
- * TPM - The tpm layer produces 2 distinct format codes that allign with:
- *   - Section 6.6 of: https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf
- *   - Section 39.4 of: https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-1-Architecture-01.38.pdf
- *
- *   The two formats are format 0 and format 1.
- *   Format 0 string format:
- *     - "<error|warn>(<version>): <description>
- *     - Examples:
- *       - error(1.2): bad tag
- *       - warn(2.0): the 1st handle in the handle area references a transient object or session that is not loaded
- *
- *   Format 1 string format:
- *      - <handle|session|parameter>(<index>):<description>
- *      - Examples:
- *        - handle(unk):value is out of range or is not correct for the context
- *        - tpm:handle(5):value is out of range or is not correct for the context
- *
- *   Note that passing TPM2_RC_SUCCESS results in the layer specific message of "success".
- *
- *   The System, TCTI and Marshaling (MU) layers, all define simple string
- *   returns analogous to strerror(3).
- *
- *   Unknown layers will have the layer number in decimal and then a layer specific string of
- *   a hex value representing the error code. For example: 9:0x3
- *
- * @param rc
- *  The error code to decode.
- * @return
- *  A human understandable error description string.
- */
-const char *tpm2_error_str(TSS2_RC rc);
-
-#endif /* LIB_TPM2_ERROR_H_ */
diff --git a/TPM2-Plugin/lib/include/tpm2_hash.h b/TPM2-Plugin/lib/include/tpm2_hash.h
deleted file mode 100644
index 627a95a..0000000
--- a/TPM2-Plugin/lib/include/tpm2_hash.h
+++ /dev/null
@@ -1,84 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#ifndef SRC_TPM_HASH_H_
-#define SRC_TPM_HASH_H_
-
-#include <stdbool.h>
-
-#include <tss2/tss2_sys.h>
-
-/**
- * Hashes a BYTE array via the tpm.
- * @param sapi_context
- *  The system api context.
- * @param hash_alg
- *  The hashing algorithm to use.
- * @param hierarchy
- *  The hierarchy.
- * @param buffer
- *  The data to hash.
- * @param length
- *  The length of the data.
- * @param result
- *  The digest result.
- * @param validation
- *  The validation ticket. Note that some hierarchies don't produce a
- *  validation ticket and thus size will be 0.
- * @return
- *  True on success, false otherwise.
- */
-bool tpm2_hash_compute_data(TSS2_SYS_CONTEXT *sapi_context, TPMI_ALG_HASH halg,
-        TPMI_RH_HIERARCHY hierarchy, BYTE *buffer, UINT16 length,
-        TPM2B_DIGEST *result, TPMT_TK_HASHCHECK *validation);
-
-/**
- * Hashes a FILE * object via the tpm.
- * @param sapi_context
- *  The system api context.
- * @param hash_alg
- *  The hashing algorithm to use.
- * @param hierarchy
- *  The hierarchy.
- * @param input
- *  The FILE object to hash.
- * @param result
- *  The digest result.
- * @param validation
- *  The validation ticket. Note that some hierarchies don't produce a
- *  validation ticket and thus size will be 0.
- * @return
- *  True on success, false otherwise.
- */
-bool tpm2_hash_file(TSS2_SYS_CONTEXT *sapi_context, TPMI_ALG_HASH halg,
-        TPMI_RH_HIERARCHY hierarchy, FILE *input, TPM2B_DIGEST *result,
-        TPMT_TK_HASHCHECK *validation);
-
-#endif /* SRC_TPM_HASH_H_ */
diff --git a/TPM2-Plugin/lib/include/tpm2_options.h b/TPM2-Plugin/lib/include/tpm2_options.h
deleted file mode 100644
index 860d9b0..0000000
--- a/TPM2-Plugin/lib/include/tpm2_options.h
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * Copyright (c) 2016, Intel Corporation
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. Neither the name of Intel Corporation nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-#ifndef OPTIONS_H
-#define OPTIONS_H
-
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-
-#include <getopt.h>
-
-#include <tss2/tss2_sys.h>
-
-typedef union tpm2_option_flags tpm2_option_flags;
-union tpm2_option_flags {
-    struct {
-        UINT8 verbose : 1;
-        UINT8 quiet   : 1;
-        UINT8 enable_errata  : 1;
-    };
-    UINT8 all;
-};
-
-/**
- * This function pointer defines the interface for tcti initialization.
- * ALL tool supported TCTIs should implement this interface.
- * @param opts
- *  An option string, that is defined by the tcti, and is passed
- *  via the --tcti= or -T options.
- *
- *  Anything following the : in the --tcti option is provides as opts.
- * @return
- *   NULL on error or an initialized TCTI.
- */
-typedef TSS2_TCTI_CONTEXT *(*tcti_init)(char *opts);
-
-/**
- * Tools may implement this optional interface if they need
- * to handle options.
- * @param key
- *  The key of the option, ie short option return value from getopt_long().
- * @param value
- *  The getopt_long optarg value.
- * @return
- *  true on success, false on error.
- * @note
- *  LOG_INFO and TOOL_OUTPUT will not work correctly during this callback.
- *  This is called after onstart() finishes, but before
- *  onrun() is invoked.
- *
- */
-typedef bool (*tpm2_option_handler)(char key, char *value);
-
-/**
- * Called after option handling to process arguments, if specified.
- * @param argc
- *  The number of args in argv.
- * @param argv
- *  The arguments.
- * @return
- *  true on success, false otherwise.
- * @note
- *  LOG_INFO adn TOOL_OUTPUT will not work correctly during this callback.
- *  This is called after onstart() and tpm2_option_handler() (if specified),
- *  but before onrun() is invoked.
- *
- */
-typedef bool (*tpm2_arg_handler)(int argc, char **argv);
-
-/**
- * TPM2_OPTIONS_* flags change default behavior of the argument parser
- *
- * TPM2_OPTIONS_SHOW_USAGE:
- *  Enable printing a short usage summary (I.e. help)
- * TPM2_OPTIONS_NO_SAPI:
- *  Skip SAPI initialization. Removes the "-T" common option.
- */
-#define TPM2_OPTIONS_SHOW_USAGE 0x1
-#define TPM2_OPTIONS_NO_SAPI 0x2
-
-struct tpm2_options {
-    struct {
-        tpm2_option_handler on_opt;
-        tpm2_arg_handler on_arg;
-    } callbacks;
-    char *short_opts;
-    size_t len;
-    UINT32 flags;
-    struct option long_opts[];
-};
-
-typedef struct tpm2_options tpm2_options;
-
-/**
- * The onstart() routine expects a return of NULL or a tpm2_options structure.
- * This routine initializes said object.
- * @param short_opts
- *  Any short options you wish to specify to getopt_long.
- * @param len
- *  The length of the long_opts array.
- * @param long_opts
- *  Any long options you wish to specify to getopt_long().
- * @param on_opt
- *  An option handling callback, which may be null if you don't wish
- *  to handle options.
- * @param on_arg
- *  An argument handling callback, which may be null if you don't wish
- *  to handle arguments.
- * @param flags
- *  TPM2_OPTIONS_* bit flags
- * @return
- *  NULL on failure or an initialized tpm2_options object.
- */
-tpm2_options *tpm2_options_new(const char *short_opts, size_t len,
-        const struct option *long_opts, tpm2_option_handler on_opt,
-        tpm2_arg_handler on_arg, UINT32 flags);
-
-/**
- * Concatenates two tpm2_options objects, with src appended on
- * dest. The internal callbacks for tpm2_arg_handler and tpm2_option_handler
- * which were specified during tpm2_options_new() are copied from src to
- * dest, thus overwriting dest. Short and long options are concatenated.
- * @param dest
- *  The tpm2_options object to append to.
- * @param src
- *  The source tpm2_options to append onto dest.
- * @return
- *  true on success, false otherwise.
- */
-bool tpm2_options_cat(tpm2_options **dest, tpm2_options *src);
-
-/**
- * Free's a tpm2_options created via tpm2_options_new().
- * @param opts
- *  The tpm2_options object to deallocate.
- */
-void tpm2_options_free(tpm2_options *opts);
-
-typedef enum tpm2_option_code tpm2_option_code;
-enum tpm2_option_code {
-    tpm2_option_code_continue,
-    tpm2_option_code_stop,
-    tpm2_option_code_err
-};
-
-/**
- * Parses the tpm2_tool command line.
- *
- * @param argc
- *  The argc from main.
- * @param argv
- *  The argv from main.
- * @param tool_opts
- *  The tool options gathered during onstart() lifecycle call.
- * @param flags
- *  The tpm2_option_flags to set during parsing.
- * @param tcti
- *  The tcti initialized from the tcti options.
- * @return
- *  A tpm option code indicating if an error, further processing
- *  or an immediate exit is desired.
- * @note
- *  Used by tpm2_tool, and likely should only be used there.
- *
- */
-tpm2_option_code tpm2_handle_options (int argc, char **argv,
-        tpm2_options *tool_opts, tpm2_option_flags *flags,
-        TSS2_TCTI_CONTEXT **tcti);
-
-/**
- * Print usage summary for a given tpm2 tool.
- *
- * @param command
- *  The command to print its usage summary text.
- * @param tool_opts
- *  The tpm2_options array that contains the tool options to print as a summary.
- */
-void tpm2_print_usage(const char *command, struct tpm2_options *tool_opts);
-
-#endif /* OPTIONS_H */
diff --git a/TPM2-Plugin/lib/include/tpm2_plugin_api.h b/TPM2-Plugin/lib/include/tpm2_plugin_api.h
index e166071..2a0ace0 100644
--- a/TPM2-Plugin/lib/include/tpm2_plugin_api.h
+++ b/TPM2-Plugin/lib/include/tpm2_plugin_api.h
@@ -1,29 +1,17 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
+/* Copyright 2018 Intel Corporation, Inc
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*       http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
 
 #ifndef __TPM_API_H__
 #define __TPM_API_H__
@@ -35,8 +23,7 @@
 #include <ctype.h>
 #include <getopt.h>
 
-#include <tss2/tss2_sys.h>
-
+#include <sapi/tpm20.h>
 #include "hwpluginif.h"
 
 #ifdef __cplusplus
@@ -67,6 +54,10 @@ extern "C" {
 #define TSS2_APP_RC_TEARDOWN_SYS_CONTEXT_FAILED (APP_RC_TEARDOWN_SYS_CONTEXT_FAILED + APP_RC_OFFSET + TSS2_APP_ERROR_LEVEL)
 #define TSS2_APP_RC_BAD_LOCALITY                (APP_RC_BAD_LOCALITY + APP_RC_OFFSET + TSS2_APP_ERROR_LEVEL)
 
+
+//#define HAVE_TCTI_DEV 1
+#define HAVE_TCTI_TABRMD 1
+//#define TCTI_DEFAULT HAVE_TCTI_DEV
 enum TSS2_APP_RC_CODE
 {
     APP_RC_PASSED,
@@ -90,6 +81,66 @@ void TeardownSysContext( TSS2_SYS_CONTEXT **sysContext );
 
 TSS2_RC TeardownTctiResMgrContext( TSS2_TCTI_CONTEXT *tctiContext );
 
+
+#ifdef HAVE_TCTI_TABRMD
+  #define TCTI_DEFAULT      TABRMD_TCTI
+  #define TCTI_DEFAULT_STR  "tabrmd"
+#elif HAVE_TCTI_SOCK
+  #define TCTI_DEFAULT      SOCKET_TCTI
+  #define TCTI_DEFAULT_STR  "socket"
+#elif  HAVE_TCTI_DEV
+  #define TCTI_DEFAULT      DEVICE_TCTI
+  #define TCTI_DEFAULT_STR  "device"
+#endif
+
+
+/* Defaults for Device TCTI */
+#define TCTI_DEVICE_DEFAULT_PATH "/dev/tpm0"
+
+/* Deafults for Socket TCTI connections, port default is for resourcemgr */
+#define TCTI_SOCKET_DEFAULT_ADDRESS "127.0.0.1"
+#define TCTI_SOCKET_DEFAULT_PORT     2321
+
+/* Environment variables usable as alternatives to command line options */
+#define TPM2TOOLS_ENV_TCTI_NAME      "TPM2TOOLS_TCTI_NAME"
+#define TPM2TOOLS_ENV_DEVICE_FILE    "TPM2TOOLS_DEVICE_FILE"
+#define TPM2TOOLS_ENV_SOCKET_ADDRESS "TPM2TOOLS_SOCKET_ADDRESS"
+#define TPM2TOOLS_ENV_SOCKET_PORT    "TPM2TOOLS_SOCKET_PORT"
+
+#define COMMON_OPTS_INITIALIZER { \
+    .tcti_type      = TCTI_DEFAULT, \
+    .device_file    = TCTI_DEVICE_DEFAULT_PATH, \
+    .socket_address = TCTI_SOCKET_DEFAULT_ADDRESS, \
+    .socket_port    = TCTI_SOCKET_DEFAULT_PORT, \
+    .help           = false, \
+    .verbose        = false, \
+    .version        = false, \
+}
+
+typedef enum {
+#ifdef HAVE_TCTI_DEV
+    DEVICE_TCTI,
+#endif
+#ifdef HAVE_TCTI_SOCK
+    SOCKET_TCTI,
+#endif
+#ifdef HAVE_TCTI_TABRMD
+    TABRMD_TCTI,
+#endif
+    UNKNOWN_TCTI,
+    N_TCTI,
+} TCTI_TYPE;
+
+typedef struct {
+    TCTI_TYPE tcti_type;
+    char     *device_file;
+    char     *socket_address;
+    uint16_t  socket_port;
+    int       help;
+    int       verbose;
+    int       version;
+} common_opts_t;
+
 int tpm2_plugin_init();
 int tpm2_plugin_uninit();
 int tpm2_plugin_activate(SSHSM_HW_PLUGIN_ACTIVATE_LOAD_IN_INFO_t *activate_in_info);
@@ -114,7 +165,7 @@ int tpm2_rsa_delete_object(
 
 int tpm2_plugin_rsa_sign_init(
         void *keyHandle,
-        unsigned long mechanish,
+        unsigned long mechanism,
         void *param,
         int len);
 
diff --git a/TPM2-Plugin/lib/include/tpm2_tcti_ldr.h b/TPM2-Plugin/lib/include/tpm2_tcti_ldr.h
deleted file mode 100644
index 684e5e2..0000000
--- a/TPM2-Plugin/lib/include/tpm2_tcti_ldr.h
+++ /dev/null
@@ -1,72 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2018, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-
-#include <tss2/tss2_sys.h>
-
-#ifndef LIB_TPM2_TCTI_LDR_H_
-#define LIB_TPM2_TCTI_LDR_H_
-
-/**
- * Loads a TCTI from a friendly name, library name, or path.
- * For example
- *  friendly:     path = tabrmd
- *  library name: path = libtss2-tcti-mssim.so
- *  full path:    path = /home/user/lib/libtss2-tcti-custom.so
- * @param path
- *  The path/library to load.
- * @param opts
- *  The tcti option configs.
- * @return
- *  A tcti context on success or NULL on failure.
- */
-TSS2_TCTI_CONTEXT *tpm2_tcti_ldr_load(const char *path, const char *opts);
-
-/**
- * Returns the loaded TCTIs information structure,
- * which contains the initialization routine, description
- * and help string amongst other things.
- * @return
- *  NULL if no TCTI is loaded, else the info structure pointer.
- */
-const TSS2_TCTI_INFO *tpm2_tcti_ldr_getinfo(void);
-
-/**
- * Given a tcti name, like mssim, tells you if the
- * library is present using dlopen(3).
- * @param name
- *   The friendly name of the tcti.
- * @return
- *  True if present, false otherwise.
- */
-bool tpm2_tcti_ldr_is_tcti_present(const char *name);
-
-/**
- * Unloads the tcti loaded via tpm2_tcti_ldr_load();
- */
-void tpm2_tcti_ldr_unload(void);
-
-#endif /* LIB_TPM2_TCTI_LDR_H_ */
diff --git a/TPM2-Plugin/lib/include/tpm2_tool.h b/TPM2-Plugin/lib/include/tpm2_tool.h
deleted file mode 100644
index f24be38..0000000
--- a/TPM2-Plugin/lib/include/tpm2_tool.h
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright (c) 2016, Intel Corporation
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. Neither the name of Intel Corporation nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-#ifndef MAIN_H
-#define MAIN_H
-
-#include <tss2/tss2_sys.h>
-#include <stdbool.h>
-
-#include "tpm2_options.h"
-
-extern bool output_enabled;
-
-/**
- * An optional interface for tools to specify what options they support.
- * They are concatenated with main's options and passed to getopt_long.
- * @param opts
- *  The callee can choose to set *opts to a tpm_options pointer allocated
- *  via tpm2_options_new(). Setting *opts to NULL is not an error, and
- *  Indicates that no options are specified by the tool.
- *
- * @return
- *  True on success, false on error.
- */
-bool tpm2_tool_onstart(tpm2_options **opts) __attribute__((weak));
-
-/**
- * This is the main interface for tools, after tcti and sapi initialization
- * are performed.
- * @param sapi_context
- *  The system api context.
- * @param flags
- *  Flags that tools may wish to respect.
- * @return
- *  0 on success.
- */
-int tpm2_tool_onrun (TSS2_SYS_CONTEXT *sapi_context, tpm2_option_flags flags) __attribute__((weak));
-
-/**
- * Called when the tool is exiting, useful for cleanup.
- */
-void tpm2_tool_onexit(void) __attribute__((weak));
-
-/**
- * prints output to stdout respecting the quiet option.
- * Ie when quiet, don't print.
- * @param fmt
- *  The format specifier, ala printf.
- * @param ...
- *  The varargs, just like printf.
- */
-#define tpm2_tool_output(fmt, ...)                   \
-    do {                                        \
-        if (output_enabled) {                   \
-            printf(fmt, ##__VA_ARGS__);         \
-        }                                       \
-    } while (0)
-
-#endif /* MAIN_H */
diff --git a/TPM2-Plugin/lib/include/tpm2_util.h b/TPM2-Plugin/lib/include/tpm2_util.h
deleted file mode 100644
index de02777..0000000
--- a/TPM2-Plugin/lib/include/tpm2_util.h
+++ /dev/null
@@ -1,298 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#ifndef STRING_BYTES_H
-#define STRING_BYTES_H
-
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-
-#include <tss2/tss2_sys.h>
-
-#include "tpm2_error.h"
-
-#if defined (__GNUC__)
-#define COMPILER_ATTR(...) __attribute__((__VA_ARGS__))
-#else
-#define COMPILER_ATTR(...)
-#endif
-
-#define xstr(s) str(s)
-#define str(s) #s
-
-#define UNUSED(x) (void)x
-
-#define ARRAY_LEN(x) (sizeof(x)/sizeof(x[0]))
-
-#define BUFFER_SIZE(type, field) (sizeof((((type *)NULL)->field)))
-
-#define TSS2_APP_RC_LAYER TSS2_RC_LAYER(5)
-
-#define TPM2B_TYPE_INIT(type, field) { .size = BUFFER_SIZE(type, field), }
-#define TPM2B_INIT(xsize) { .size = xsize, }
-#define TPM2B_EMPTY_INIT TPM2B_INIT(0)
-#define TPM2B_SENSITIVE_CREATE_EMPTY_INIT { \
-           .sensitive = { \
-                .data = {   \
-                    .size = 0 \
-                }, \
-                .userAuth = {   \
-                    .size = 0 \
-                } \
-            } \
-    }
-
-#define TPMS_AUTH_COMMAND_INIT(session_handle) { \
-        .sessionHandle = session_handle,\
-	    .nonce = TPM2B_EMPTY_INIT, \
-	    .sessionAttributes = TPMA_SESSION_CONTINUESESSION, \
-	    .hmac = TPM2B_EMPTY_INIT \
-    }
-
-#define TPMS_AUTH_COMMAND_EMPTY_INIT TPMS_AUTH_COMMAND_INIT(0)
-
-
-#define TPMT_TK_CREATION_EMPTY_INIT { \
-        .tag = 0, \
-		.hierarchy = 0, \
-		.digest = TPM2B_EMPTY_INIT \
-    }
-
-#define TPML_PCR_SELECTION_EMPTY_INIT { \
-        .count = 0, \
-    } //ignore pcrSelections since count is 0.
-
-#define TPMS_CAPABILITY_DATA_EMPTY_INIT { \
-        .capability = 0, \
-    } // ignore data since capability is 0.
-
-#define TPMT_TK_HASHCHECK_EMPTY_INIT { \
-		.tag = 0, \
-		.hierarchy = 0, \
-		.digest = TPM2B_EMPTY_INIT \
-    }
-
-#define TSS2L_SYS_AUTH_COMMAND_INIT(cnt, array) { \
-        .count = cnt, \
-        .auths = array, \
-    }
-
-/*
- * This macro is useful as a wrapper around SAPI functions to automatically
- * retry function calls when the RC is TPM2_RC_RETRY.
- */
-#define TSS2_RETRY_EXP(expression)                         \
-    ({                                                     \
-        TSS2_RC __result = 0;                              \
-        do {                                               \
-            __result = (expression);                       \
-        } while (tpm2_error_get(__result) == TPM2_RC_RETRY); \
-        __result;                                          \
-    })
-
-typedef struct {
-    UINT16 size;
-    BYTE buffer[0];
-} TPM2B;
-
-int tpm2_util_hex_to_byte_structure(const char *inStr, UINT16 *byteLenth, BYTE *byteBuffer);
-
-/**
- * Appends a TPM2B buffer to a MAX buffer.
- * @param result
- *  The MAX buffer to append to
- * @param append
- *  The buffer to append to result.
- * @return
- *  true on success, false otherwise.
- */
-bool tpm2_util_concat_buffer(TPM2B_MAX_BUFFER *result, TPM2B *append);
-
-/**
- * Converts a numerical string into a uint32 value.
- * @param str
- *  The numerical string to convert.
- * @param value
- *  The value to store the conversion into.
- * @return
- *  true on success, false otherwise.
- */
-bool tpm2_util_string_to_uint32(const char *str, uint32_t *value);
-
-/**
- * Converts a numerical string into a uint16 value.
- * @param str
- *  The numerical string to convert.
- * @param value
- *  The value to store the conversion into.
- * @return
- *  true on success, false otherwise.
- */
-bool tpm2_util_string_to_uint16(const char *str, uint16_t *value);
-
-/**
- * Prints an xxd compatible hexdump to stdout if output is enabled,
- * ie no -Q option.
- *
- * @param data
- *  The data to print.
- * @param len
- *  The length of the data.
- */
-void tpm2_util_hexdump(const BYTE *data, size_t len);
-
-/**
- * Prints a file as a hex string to stdout if quiet mode
- * is not enabled.
- * ie no -Q option.
- *
- * @param fd
- *  A readable open file.
- * @param len
- *  The length of the data to read and print.
- * @return
- *  true if len bytes were successfully read and printed,
- *  false otherwise
- */
-bool tpm2_util_hexdump_file(FILE *fd, size_t len);
-
-/**
- * Prints a TPM2B as a hex dump.
- * @param buffer the TPM2B to print.
- */
-static inline void tpm2_util_print_tpm2b(TPM2B *buffer) {
-
-    return tpm2_util_hexdump(buffer->buffer, buffer->size);
-}
-
-/**
- * Reads a TPM2B object from FILE* and prints data in hex.
- * @param fd
- *  A readable open file.
- */
-bool tpm2_util_print_tpm2b_file(FILE *fd);
-
-/**
- * Checks if the host is big endian
- * @return
- *  True of the host is big endian false otherwise.
- */
-bool tpm2_util_is_big_endian(void);
-
-/**
- * Swaps the endianess of 16 bit value.
- * @param data
- *  A 16 bit value to swap the endianess on.
- * @return
- * The 16 bit value with the endianess swapped.
- */
-UINT16 tpm2_util_endian_swap_16(UINT16 data);
-
-/**
- * Just like string_bytes_endian_convert_16 but for 32 bit values.
- */
-UINT32 tpm2_util_endian_swap_32(UINT32 data);
-
-/**
- * Just like string_bytes_endian_convert_16 but for 64 bit values.
- */
-UINT64 tpm2_util_endian_swap_64(UINT64 data);
-
-/**
- * Converts a 16 bit value from host endianess to network endianess.
- * @param data
- *  The data to possibly swap endianess.
- * @return
- *  The swapped data.
- */
-UINT16 tpm2_util_hton_16(UINT16 data);
-
-/**
- * Just like string_bytes_endian_hton_16 but for 32 bit values.
- */
-UINT32 tpm2_util_hton_32(UINT32 data);
-
-/**
- * Just like string_bytes_endian_hton_16 but for 64 bit values.
- */
-UINT64 tpm2_util_hton_64(UINT64 data);
-
-/**
- * Converts a 16 bit value from network endianess to host endianess.
- * @param data
- *  The data to possibly swap endianess.
- * @return
- *  The swapped data.
- */
-UINT16 tpm2_util_ntoh_16(UINT16 data);
-
-/**
- * Just like string_bytes_endian_ntoh_16 but for 32 bit values.
- */
-UINT32 tpm2_util_ntoh_32(UINT32 data);
-
-/**
- * Just like string_bytes_endian_ntoh_16 but for 64 bit values.
- */
-UINT64 tpm2_util_ntoh_64(UINT64 data);
-
-/**
- * Counts the number of set bits aka a population count.
- * @param data
- *  The data to count set bits in.
- * @return
- *  The number of set bits or population count.
- */
-UINT32 tpm2_util_pop_count(UINT32 data);
-
-/**
- * Prints whitespace indention for yaml output.
- * @param indent_count
- *  Number of times to indent
- */
-void print_yaml_indent(size_t indent_count);
-
-/**
- * Convert a TPM2B_PUBLIC into a yaml format and output if not quiet.
- * @param public
- *  The TPM2B_PUBLIC to output in YAML format.
- */
-void tpm2_util_public_to_yaml(TPM2B_PUBLIC *public);
-
-
-/**
- * Convert a TPMA_OBJECT to a yaml format and output if not quiet.
- * @param obj
- *  The TPMA_OBJECT attributes to print.
- */
-void tpm2_util_tpma_object_to_yaml(TPMA_OBJECT obj);
-
-#endif /* STRING_BYTES_H */
diff --git a/TPM2-Plugin/lib/log.c b/TPM2-Plugin/lib/log.c
deleted file mode 100644
index 14797e4..0000000
--- a/TPM2-Plugin/lib/log.c
+++ /dev/null
@@ -1,93 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdio.h>
-
-#include "log.h"
-
-/*
- * Note that the logging library is not thread safe, thus calls on separate
- * threads will yield an interleaved output on stderr.
- */
-
-static log_level current_log_level = log_level_warning;
-
-void
-log_set_level (log_level value)
-{
-    current_log_level = value;
-}
-
-static const char *
-get_level_msg (log_level level)
-{
-    const char *value = "UNK";
-    switch (level)
-    {
-        case log_level_error:
-            value = "ERROR";
-            break;
-        case log_level_warning:
-            value = "WARN";
-            break;
-        case log_level_verbose:
-            value = "INFO";
-    }
-    return value;
-}
-
-void
-_log (log_level level, const char *file, unsigned lineno, const char *fmt, ...)
-{
-
-    /* Skip printing messages outside of the log level */
-    if (level > current_log_level)
-        return;
-
-    va_list argptr;
-    va_start(argptr, fmt);
-
-    /* Verbose output prints file and line on error */
-    if (current_log_level >= log_level_verbose)
-        fprintf (stderr, "%s on line: \"%u\" in file: \"%s\": ",
-                 get_level_msg (level), lineno, file);
-    else
-        fprintf (stderr, "%s: ", get_level_msg (level));
-
-    /* Print the user supplied message */
-    vfprintf (stderr, fmt, argptr);
-
-    /* always add a new line so the user doesn't have to */
-    fprintf (stderr, "\n");
-
-    va_end(argptr);
-}
diff --git a/TPM2-Plugin/lib/tpm2_alg_util.c b/TPM2-Plugin/lib/tpm2_alg_util.c
deleted file mode 100644
index 3683b6e..0000000
--- a/TPM2-Plugin/lib/tpm2_alg_util.c
+++ /dev/null
@@ -1,437 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <tss2/tss2_sys.h>
-
-#include "files.h"
-#include "log.h"
-#include "tpm2_hash.h"
-#include "tpm2_alg_util.h"
-#include "tpm2_util.h"
-
-typedef struct alg_pair alg_pair;
-struct alg_pair {
-    const char *name;
-    TPM2_ALG_ID id;
-};
-
-void tpm2_alg_util_for_each_alg(tpm2_alg_util_alg_iteraror iterator, void *userdata) {
-
-    static const alg_pair algs[] = {
-        { .name = "rsa", .id = TPM2_ALG_RSA },
-        { .name = "sha1", .id = TPM2_ALG_SHA1 },
-        { .name = "hmac", .id = TPM2_ALG_HMAC },
-        { .name = "aes", .id = TPM2_ALG_AES },
-        { .name = "mgf1", .id = TPM2_ALG_MGF1 },
-        { .name = "keyedhash", .id = TPM2_ALG_KEYEDHASH },
-        { .name = "xor", .id = TPM2_ALG_XOR },
-        { .name = "sha256", .id = TPM2_ALG_SHA256 },
-        { .name = "sha384", .id = TPM2_ALG_SHA384 },
-        { .name = "sha512", .id = TPM2_ALG_SHA512 },
-        { .name = "null", .id = TPM2_ALG_NULL },
-        { .name = "sm3_256", .id = TPM2_ALG_SM3_256 },
-        { .name = "sm4", .id = TPM2_ALG_SM4 },
-        { .name = "rsassa", .id = TPM2_ALG_RSASSA },
-        { .name = "rsaes", .id = TPM2_ALG_RSAES },
-        { .name = "rsapss", .id = TPM2_ALG_RSAPSS },
-        { .name = "oaep", .id = TPM2_ALG_OAEP },
-        { .name = "ecdsa", .id = TPM2_ALG_ECDSA },
-        { .name = "ecdh", .id = TPM2_ALG_ECDH },
-        { .name = "ecdaa", .id = TPM2_ALG_ECDAA },
-        { .name = "sm2", .id = TPM2_ALG_SM2 },
-        { .name = "ecschnorr", .id = TPM2_ALG_ECSCHNORR },
-        { .name = "ecmqv", .id = TPM2_ALG_ECMQV },
-        { .name = "kdf1_sp800_56a", .id = TPM2_ALG_KDF1_SP800_56A },
-        { .name = "kdf2", .id = TPM2_ALG_KDF2 },
-        { .name = "kdf1_sp800_108", .id = TPM2_ALG_KDF1_SP800_108 },
-        { .name = "ecc", .id = TPM2_ALG_ECC },
-        { .name = "symcipher", .id = TPM2_ALG_SYMCIPHER },
-        { .name = "camellia", .id = TPM2_ALG_CAMELLIA },
-        { .name = "sha3_256", .id = TPM2_ALG_SHA3_256 },
-        { .name = "sha3_384", .id = TPM2_ALG_SHA3_384 },
-        { .name = "sha3_512", .id = TPM2_ALG_SHA3_512 },
-        { .name = "ctr", .id = TPM2_ALG_CTR },
-        { .name = "ofb", .id = TPM2_ALG_OFB },
-        { .name = "cbc", .id = TPM2_ALG_CBC },
-        { .name = "cfb", .id = TPM2_ALG_CFB },
-        { .name = "ecb", .id = TPM2_ALG_ECB },
-    };
-
-    size_t i;
-    for (i=0; i < ARRAY_LEN(algs); i++) {
-        const alg_pair *alg = &algs[i];
-        bool result = iterator(alg->id, alg->name, userdata);
-        if (result) {
-            return;
-        }
-    }
-}
-
-static bool find_match(TPM2_ALG_ID id, const char *name, void *userdata) {
-
-    alg_pair *search_data = (alg_pair *)userdata;
-
-    /*
-     * if name, then search on name, else
-     * search by id.
-     */
-    if (search_data->name && !strcmp(search_data->name, name)) {
-        search_data->id = id;
-        return true;
-    } else if (search_data->id == id) {
-        search_data->name = name;
-        return true;
-    }
-
-    return false;
-}
-
-TPM2_ALG_ID tpm2_alg_util_strtoalg(const char *name) {
-
-    alg_pair userdata = {
-        .name = name,
-        .id = TPM2_ALG_ERROR
-    };
-
-    if (name) {
-        tpm2_alg_util_for_each_alg(find_match, &userdata);
-    }
-
-    return userdata.id;
-}
-
-const char *tpm2_alg_util_algtostr(TPM2_ALG_ID id) {
-
-    alg_pair userdata = {
-        .name = NULL,
-        .id = id
-    };
-
-    tpm2_alg_util_for_each_alg(find_match, &userdata);
-
-    return userdata.name;
-}
-
-TPM2_ALG_ID tpm2_alg_util_from_optarg(char *optarg) {
-
-    TPM2_ALG_ID halg;
-    bool res = tpm2_util_string_to_uint16(optarg, &halg);
-    if (!res) {
-        halg = tpm2_alg_util_strtoalg(optarg);
-    }
-    return halg;
-}
-
-bool tpm2_alg_util_is_hash_alg(TPM2_ALG_ID id) {
-
-    switch (id) {
-    case TPM2_ALG_SHA1 :
-        /* fallsthrough */
-    case TPM2_ALG_SHA256 :
-        /* fallsthrough */
-    case TPM2_ALG_SHA384 :
-        /* fallsthrough */
-    case TPM2_ALG_SHA512 :
-        /* fallsthrough */
-    case TPM2_ALG_SM3_256 :
-        return true;
-        /* no default */
-    }
-
-    return false;
-}
-
-UINT16 tpm2_alg_util_get_hash_size(TPMI_ALG_HASH id) {
-
-    switch (id) {
-    case TPM2_ALG_SHA1 :
-        return TPM2_SHA1_DIGEST_SIZE;
-    case TPM2_ALG_SHA256 :
-        return TPM2_SHA256_DIGEST_SIZE;
-    case TPM2_ALG_SHA384 :
-        return TPM2_SHA384_DIGEST_SIZE;
-    case TPM2_ALG_SHA512 :
-        return TPM2_SHA512_DIGEST_SIZE;
-    case TPM2_ALG_SM3_256 :
-        return TPM2_SM3_256_DIGEST_SIZE;
-        /* no default */
-    }
-
-    return 0;
-}
-
-static const char *hex_to_byte_err(int rc) {
-
-    switch (rc) {
-    case -2:
-        return "String not even in length";
-    case -3:
-        return "Non hex digit found";
-    case -4:
-        return "Hex value too big for digest";
-    }
-    return "unknown";
-}
-
-bool pcr_parse_digest_list(char **argv, int len,
-        tpm2_pcr_digest_spec *digest_spec) {
-
-    /*
-     * int is chosen because of what is passed in from main, avoids
-     * sign differences.
-     * */
-    int i;
-    for (i = 0; i < len; i++) {
-        tpm2_pcr_digest_spec *dspec = &digest_spec[i];
-
-        UINT32 count = 0;
-
-        /*
-         * Split <pcr index>:<hash alg>=<hash value>,... on : and separate with null byte, ie:
-         * <pce index> '\0' <hash alg>'\0'<data>
-         *
-         * Start by splitting out the pcr index, and validating it.
-         */
-        char *spec_str = argv[i];
-        char *pcr_index_str = spec_str;
-        char *digest_spec_str = strchr(spec_str, ':');
-        if (!digest_spec_str) {
-            LOG_ERR("Expecting : in digest spec, not found, got: \"%s\"", spec_str);
-            return false;
-        }
-
-        *digest_spec_str = '\0';
-        digest_spec_str++;
-
-        bool result = tpm2_util_string_to_uint32(pcr_index_str, &dspec->pcr_index);
-        if (!result) {
-            LOG_ERR("Got invalid PCR Index: \"%s\", in digest spec: \"%s\"",
-                    pcr_index_str, spec_str);
-            return false;
-        }
-
-        /* now that the pcr_index is removed, parse the remaining <hash_name>=<hash_value>,.. */
-        char *digest_hash_tok;
-        char *save_ptr = NULL;
-
-        /* keep track of digests we have seen */
-
-        while ((digest_hash_tok = strtok_r(digest_spec_str, ",", &save_ptr))) {
-            digest_spec_str = NULL;
-
-            if (count >= ARRAY_LEN(dspec->digests.digests)) {
-                LOG_ERR("Specified too many digests per spec, max is: %zu",
-                        ARRAY_LEN(dspec->digests.digests));
-                return false;
-            }
-
-            TPMT_HA *d = &dspec->digests.digests[count];
-
-            char *stralg = digest_hash_tok;
-            char *split = strchr(digest_hash_tok, '=');
-            if (!split) {
-                LOG_ERR("Expecting = in <hash alg>=<hash value> spec, got: "
-                        "\"%s\"", digest_hash_tok);
-                return false;
-            }
-            *split = '\0';
-            split++;
-
-            char *data = split;
-
-            /*
-             * Convert and validate the hash algorithm. It should be a hash algorithm
-             */
-            TPM2_ALG_ID alg = tpm2_alg_util_from_optarg(stralg);
-            if (alg == TPM2_ALG_ERROR) {
-                LOG_ERR("Could not convert algorithm, got: \"%s\"", stralg);
-                return false;
-            }
-
-            bool is_hash_alg = tpm2_alg_util_is_hash_alg(alg);
-            if (!is_hash_alg) {
-                LOG_ERR("Algorithm is not a hash algorithm, got: \"%s\"",
-                        stralg);
-                return false;
-            }
-
-            d->hashAlg = alg;
-
-            /* fill up the TPMT_HA structure with algorithm and digest */
-            BYTE *digest_data = (BYTE *) &d->digest;
-
-            UINT16 expected_hash_size = tpm2_alg_util_get_hash_size(alg);
-            /* strip any preceding hex on the data as tpm2_util_hex_to_byte_structure doesn't support it */
-            bool is_hex = !strncmp("0x", data, 2);
-            if (is_hex) {
-                data += 2;
-            }
-
-            UINT16 size =  expected_hash_size;
-            int rc = tpm2_util_hex_to_byte_structure(data, &size,
-                    digest_data);
-            if (rc) {
-                LOG_ERR("Error \"%s\" converting hex string as data, got:"
-                    " \"%s\"", hex_to_byte_err(rc), data);
-                return false;
-            }
-
-            if (expected_hash_size != size) {
-                LOG_ERR(
-                        "Algorithm \"%s\" expects a size of %u bytes, got: %u",
-                        stralg, expected_hash_size, size);
-                return false;
-            }
-
-            count++;
-        }
-
-        if (!count) {
-            LOG_ERR("Missing or invalid <hash alg>=<hash value> spec for pcr:"
-                    " \"%s\"", pcr_index_str);
-            return false;
-        }
-
-        /* assign count at the end, so count is 0 on error */
-        dspec->digests.count = count;
-    }
-
-    return true;
-}
-
-UINT8* tpm2_extract_plain_signature(UINT16 *size, TPMT_SIGNATURE *signature) {
-
-    UINT8 *buffer = NULL;
-    *size = 0;
-
-    switch (signature->sigAlg) {
-    case TPM2_ALG_RSASSA:
-        *size = sizeof(signature->signature.rsassa.sig.buffer);
-        buffer = malloc(*size);
-        if (!buffer) {
-            goto nomem;
-        }
-        memcpy(buffer, signature->signature.rsassa.sig.buffer, *size);
-        break;
-    case TPM2_ALG_HMAC: {
-        TPMU_HA *hmac_sig = &(signature->signature.hmac.digest);
-        *size = tpm2_alg_util_get_hash_size(signature->signature.hmac.hashAlg);
-        buffer = malloc(*size);
-        if (!buffer) {
-            goto nomem;
-        }
-        memcpy(buffer, hmac_sig, *size);
-        break;
-    }
-    case TPM2_ALG_ECDSA: {
-        const size_t ECC_PAR_LEN = sizeof(TPM2B_ECC_PARAMETER);
-        *size = ECC_PAR_LEN * 2;
-        buffer = malloc(*size);
-        if (!buffer) {
-            goto nomem;
-        }
-        memcpy(buffer,
-            (UINT8*)&(signature->signature.ecdsa.signatureR),
-            ECC_PAR_LEN
-        );
-        memcpy(buffer + ECC_PAR_LEN,
-            (UINT8*)&(signature->signature.ecdsa.signatureS),
-            ECC_PAR_LEN
-        );
-        break;
-    }
-    default:
-        LOG_ERR("%s: unknown signature scheme: 0x%x", __func__,
-            signature->sigAlg);
-        return NULL;
-    }
-
-    return buffer;
-nomem:
-    LOG_ERR("%s: couldn't allocate memory", __func__);
-    return NULL;
-}
-
-static bool get_key_type(TSS2_SYS_CONTEXT *sapi_context, TPMI_DH_OBJECT objectHandle,
-        TPMI_ALG_PUBLIC *type) {
-
-    TSS2L_SYS_AUTH_RESPONSE sessions_data_out;
-
-    TPM2B_PUBLIC out_public = TPM2B_EMPTY_INIT;
-
-    TPM2B_NAME name = TPM2B_TYPE_INIT(TPM2B_NAME, name);
-
-    TPM2B_NAME qaulified_name = TPM2B_TYPE_INIT(TPM2B_NAME, name);
-
-    TSS2_RC rval = Tss2_Sys_ReadPublic(sapi_context, objectHandle, 0, &out_public, &name,
-            &qaulified_name, &sessions_data_out);
-    if (rval != TPM2_RC_SUCCESS) {
-        LOG_ERR("Sys_ReadPublic failed, error code: 0x%x", rval);
-        return false;
-    }
-    *type = out_public.publicArea.type;
-    return true;
-}
-
-bool get_signature_scheme(TSS2_SYS_CONTEXT *sapi_context,
-        TPMI_DH_OBJECT keyHandle, TPMI_ALG_HASH halg,
-        TPMT_SIG_SCHEME *scheme) {
-
-    TPM2_ALG_ID type;
-    bool result = get_key_type(sapi_context, keyHandle, &type);
-    if (!result) {
-        return false;
-    }
-
-    switch (type) {
-    case TPM2_ALG_RSA :
-        scheme->scheme = TPM2_ALG_RSASSA;
-        scheme->details.rsassa.hashAlg = halg;
-        break;
-    case TPM2_ALG_KEYEDHASH :
-        scheme->scheme = TPM2_ALG_HMAC;
-        scheme->details.hmac.hashAlg = halg;
-        break;
-    case TPM2_ALG_ECC :
-        scheme->scheme = TPM2_ALG_ECDSA;
-        scheme->details.ecdsa.hashAlg = halg;
-        break;
-    case TPM2_ALG_SYMCIPHER :
-    default:
-        LOG_ERR("Unknown key type, got: 0x%x", type);
-        return false;
-    }
-
-    return true;
-}
diff --git a/TPM2-Plugin/lib/tpm2_attr_util.c b/TPM2-Plugin/lib/tpm2_attr_util.c
deleted file mode 100644
index b21141d..0000000
--- a/TPM2-Plugin/lib/tpm2_attr_util.c
+++ /dev/null
@@ -1,645 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <tss2/tss2_sys.h>
-
-#include "log.h"
-#include "tpm2_attr_util.h"
-#include "tpm2_util.h"
-
-#define dispatch_no_arg_add(x) \
-    { .name = str(x), .callback=(action)x, .width = 1 }
-
-#define dispatch_arg_add(x, w) \
-    { .name = str(x), .callback=(action)x, .width = w }
-
-#define dispatch_reserved(pos) \
-    { .name = "<reserved("xstr(pos)")>", .callback=NULL, .width = 1 }
-
-typedef enum dispatch_error dispatch_error;
-enum dispatch_error {
-    dispatch_ok = 0,
-    dispatch_err,
-    dispatch_no_match,
-};
-
-typedef bool (*action)(void *obj, char *arg);
-
-typedef struct dispatch_table dispatch_table;
-struct dispatch_table {
-    char *name;
-    action callback;
-    unsigned width; /* the width of the field, CANNOT be 0 */
-};
-
-static bool authread(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_AUTHREAD;
-    return true;
-}
-
-static bool authwrite(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_AUTHWRITE;
-    return true;
-}
-
-static bool clear_stclear(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_CLEAR_STCLEAR;
-    return true;
-}
-
-static bool globallock(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_GLOBALLOCK;
-    return true;
-}
-
-static bool no_da(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_NO_DA;
-    return true;
-}
-
-static bool orderly(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_ORDERLY;
-    return true;
-}
-
-static bool ownerread(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_OWNERREAD;
-    return true;
-}
-
-static bool ownerwrite(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_OWNERWRITE;
-    return true;
-}
-
-static bool platformcreate(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_PLATFORMCREATE;
-    return true;
-}
-
-static bool policyread(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_POLICYREAD;
-    return true;
-}
-
-static bool policywrite(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_POLICYWRITE;
-    return true;
-}
-
-static bool policydelete(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_POLICY_DELETE;
-    return true;
-}
-
-static bool ppread(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_PPREAD;
-    return true;
-}
-
-static bool ppwrite(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_PPWRITE;
-    return true;
-}
-
-static bool readlocked(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_READLOCKED;
-    return true;
-}
-
-static bool read_stclear(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_READ_STCLEAR;
-    return true;
-}
-
-static bool writeall(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_WRITEALL;
-    return true;
-}
-
-static bool writedefine(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_WRITEDEFINE;
-    return true;
-}
-
-static bool writelocked(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_WRITELOCKED;
-    return true;
-}
-
-static bool write_stclear(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_WRITE_STCLEAR;
-    return true;
-}
-
-static bool written(TPMA_NV *nv, char *arg) {
-
-    UNUSED(arg);
-    *nv |= TPMA_NV_WRITTEN;
-    return true;
-}
-
-static bool nt(TPMA_NV *nv, char *arg) {
-
-    uint16_t value;
-    bool result = tpm2_util_string_to_uint16(arg, &value);
-    if (!result) {
-        LOG_ERR("Could not convert \"%s\", to a number", arg);
-        return false;
-    }
-
-    /* nt space is 4 bits, so max of 15 */
-    if (value > 0x0F) {
-        LOG_ERR("Field TPM_NT of type TPMA_NV is only 4 bits,"
-                "value \"%s\" to big!", arg);
-        return false;
-    }
-
-    *nv &= ~TPMA_NV_TPM2_NT_MASK;
-    *nv |= value << 4;
-    return true;
-}
-
-/*
- * The order of this table must be in order with the bit defines in table 204:
- * https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf
- *
- * This table is in bitfield order, thus the index of a bit set in a TPMA_NV
- * can be used to lookup the name.
- *
- * if not the logic in tpm2_nv_util_strtoattr would need to change!
- */
-static dispatch_table nv_attr_table[] = { // Bit Index
-    dispatch_no_arg_add(ppwrite),         //  0
-    dispatch_no_arg_add(ownerwrite),      //  1
-    dispatch_no_arg_add(authwrite),       //  2
-    dispatch_no_arg_add(policywrite),     //  3
-    dispatch_arg_add(nt, 4),              //  4
-    dispatch_arg_add(nt, 3),              //  5
-    dispatch_arg_add(nt, 2),              //  6
-    dispatch_arg_add(nt, 1),              //  7
-    dispatch_reserved(8),                 //  8
-    dispatch_reserved(9),                 //  9
-    dispatch_no_arg_add(policydelete),    // 10
-    dispatch_no_arg_add(writelocked),     // 11
-    dispatch_no_arg_add(writeall),        // 12
-    dispatch_no_arg_add(writedefine),     // 13
-    dispatch_no_arg_add(write_stclear),   // 14
-    dispatch_no_arg_add(globallock),      // 15
-    dispatch_no_arg_add(ppread),          // 16
-    dispatch_no_arg_add(ownerread),       // 17
-    dispatch_no_arg_add(authread),        // 18
-    dispatch_no_arg_add(policyread),      // 19
-    dispatch_reserved(20),                // 20
-    dispatch_reserved(21),                // 21
-    dispatch_reserved(22),                // 22
-    dispatch_reserved(23),                // 23
-    dispatch_reserved(24),                // 24
-    dispatch_no_arg_add(no_da),           // 25
-    dispatch_no_arg_add(orderly),         // 26
-    dispatch_no_arg_add(clear_stclear),   // 27
-    dispatch_no_arg_add(readlocked),      // 28
-    dispatch_no_arg_add(written),         // 29
-    dispatch_no_arg_add(platformcreate),  // 30
-    dispatch_no_arg_add(read_stclear),    // 31
-};
-
-static bool fixedtpm(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_FIXEDTPM;
-    return true;
-}
-
-static bool stclear(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_STCLEAR;
-    return true;
-}
-
-static bool fixedparent(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_FIXEDPARENT;
-    return true;
-}
-
-static bool sensitivedataorigin(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_SENSITIVEDATAORIGIN;
-    return true;
-}
-
-static bool userwithauth(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_USERWITHAUTH;
-    return true;
-}
-
-static bool adminwithpolicy(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_ADMINWITHPOLICY;
-    return true;
-}
-
-static bool noda(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_NODA;
-    return true;
-}
-
-static bool encryptedduplication(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_ENCRYPTEDDUPLICATION;
-    return true;
-}
-
-static bool restricted(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_RESTRICTED;
-    return true;
-}
-
-static bool decrypt(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_DECRYPT;
-    return true;
-}
-
-static bool sign(TPMA_OBJECT *obj, char *arg) {
-
-    UNUSED(arg);
-    *obj |= TPMA_OBJECT_SIGN_ENCRYPT;
-    return true;
-}
-
-static dispatch_table obj_attr_table[] = {         // Bit Index
-        dispatch_reserved(0),                      //  0
-        dispatch_no_arg_add(fixedtpm),             //  1
-        dispatch_no_arg_add(stclear),              //  2
-        dispatch_reserved(3),                      //  3
-        dispatch_no_arg_add(fixedparent),          //  4
-        dispatch_no_arg_add(sensitivedataorigin),  //  5
-        dispatch_no_arg_add(userwithauth),         //  6
-        dispatch_no_arg_add(adminwithpolicy),      //  7
-        dispatch_reserved(8),                      //  8
-        dispatch_reserved(9),                      //  9
-        dispatch_no_arg_add(noda),                 // 10
-        dispatch_no_arg_add(encryptedduplication), // 11
-        dispatch_reserved(12),                     // 12
-        dispatch_reserved(13),                     // 13
-        dispatch_reserved(14),                     // 14
-        dispatch_reserved(15),                     // 15
-        dispatch_no_arg_add(restricted),           // 16
-        dispatch_no_arg_add(decrypt),              // 17
-        dispatch_no_arg_add(sign),                 // 18
-        dispatch_reserved(19),                     // 19
-        dispatch_reserved(20),                     // 20
-        dispatch_reserved(21),                     // 21
-        dispatch_reserved(22),                     // 22
-        dispatch_reserved(23),                     // 23
-        dispatch_reserved(24),                     // 24
-        dispatch_reserved(25),                     // 25
-        dispatch_reserved(26),                     // 26
-        dispatch_reserved(27),                     // 27
-        dispatch_reserved(28),                     // 28
-        dispatch_reserved(29),                     // 29
-        dispatch_reserved(30),                     // 30
-        dispatch_reserved(31),                     // 31
-};
-
-static bool token_match(const char *name, const char *token, bool has_arg, char **sep) {
-
-    /* if it has an argument, we expect a separator */
-    size_t match_len = strlen(token);
-    if (has_arg) {
-        *sep = strchr(token, '=');
-        if (*sep) {
-            match_len = *sep - token;
-        }
-    }
-
-    return !strncmp(name, token, match_len);
-}
-
-static dispatch_error handle_dispatch(dispatch_table *d, char *token,
-        TPMA_NV *nvattrs) {
-
-    char *name = d->name;
-    action cb = d->callback;
-    bool has_arg = d->width > 1;
-
-    /* if no callback, then its a reserved block, just skip it */
-    if (!cb) {
-        return dispatch_no_match;
-    }
-
-    char *sep = NULL;
-    bool match = token_match(name, token, has_arg, &sep);
-    if (!match) {
-        return dispatch_no_match;
-    }
-
-    /*
-     * If it has an argument, match should have found the seperator.
-     */
-    char *arg = NULL;
-    if (has_arg) {
-        if (!sep) {
-            LOG_ERR("Expected argument for \"%s\", got none.", token);
-            return dispatch_err;
-        }
-
-        /* split token on = */
-        *sep = '\0';
-        sep++;
-        if (!*sep) {
-            LOG_ERR("Expected argument for \"%s\", got none.", token);
-            return dispatch_err;
-        }
-
-        /* valid argument string, assign */
-        arg = sep;
-    }
-
-    bool result = cb(nvattrs, arg);
-    return result ? dispatch_ok : dispatch_err;
-}
-
-static bool common_strtoattr(char *attribute_list, void *attrs, dispatch_table *table, size_t size) {
-
-    char *token;
-    char *save;
-
-    /*
-     * This check is soley to prevent GCC from complaining on:
-     * error: ‘attribute_list’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
-     * Might as well check nvattrs as well.
-     */
-    if (!attribute_list || !attrs) {
-        LOG_ERR("attribute list or attributes structure is NULL");
-        return false;
-    }
-
-    while ((token = strtok_r(attribute_list, "|", &save))) {
-        attribute_list = NULL;
-
-        bool did_dispatch = false;
-
-        size_t i;
-        for (i = 0; i < size; i++) {
-            dispatch_table *d = &table[i];
-
-            dispatch_error err = handle_dispatch(d, token, attrs);
-            if (err == dispatch_ok) {
-                did_dispatch = true;
-                break;
-            } else if (err == dispatch_err) {
-                return false;
-            }
-            /* dispatch_no_match --> keep looking */
-        }
-
-        /* did we dispatch?, If not log error and return */
-        if (!did_dispatch) {
-            char *tmp = strchr(token, '=');
-            if (tmp) {
-                *tmp = '\0';
-            }
-            LOG_ERR("Unknown token: \"%s\" found.", token);
-            return false;
-        }
-    }
-
-    return true;
-}
-
-bool tpm2_attr_util_nv_strtoattr(char *attribute_list, TPMA_NV *nvattrs) {
-
-    return common_strtoattr(attribute_list, nvattrs, nv_attr_table, ARRAY_LEN(nv_attr_table));
-}
-
-bool tpm2_attr_util_obj_strtoattr(char *attribute_list, TPMA_OBJECT *objattrs) {
-
-    return common_strtoattr(attribute_list, objattrs, obj_attr_table, ARRAY_LEN(obj_attr_table));
-}
-
-
-static UINT8 find_first_set(UINT32 bits) {
-
-    UINT8 n = 0;
-
-    if (!bits) {
-        return n;
-    }
-
-    if (!(bits & 0x0000FFFF)) { n += 16; bits >>= 16; }
-    if (!(bits & 0x000000FF)) { n +=  8; bits >>=  8; }
-    if (!(bits & 0x0000000F)) { n +=  4; bits >>=  4; }
-    if (!(bits & 0x00000003)) { n +=  2; bits >>=  2; }
-    if (!(bits & 0x00000001))   n +=  1;
-
-    return n;
-}
-
-static char *tpm2_attr_util_common_attrtostr(UINT32 attrs, dispatch_table *table, size_t size) {
-
-    if (attrs == 0) {
-        return strdup("<none>");
-    }
-
-    /*
-     * Get how many bits are set in the attributes and then find the longest
-     * "name".
-     *
-     * pop_cnt * max_name_len + pop_cnt - 1 (for the | separators) + 4
-     * (for nv field equals in hex) + 1 for null byte.
-     *
-     * This will provide us an ample buffer size for generating the string
-     * in without having to constantly realloc.
-     */
-    UINT32 pop_cnt = tpm2_util_pop_count(attrs);
-
-    size_t i;
-    size_t max_name_len = 0;
-    for (i=0; i < size; i++) {
-        dispatch_table *d = &table[i];
-        size_t name_len = strlen(d->name);
-        max_name_len = name_len > max_name_len ? name_len : max_name_len;
-    }
-
-    size_t length = pop_cnt * max_name_len + pop_cnt - 1 + 3;
-
-    char *str = calloc(length, 1);
-    if (!str) {
-        return NULL;
-    }
-
-
-    size_t string_index = 0;
-
-    /*
-     * Start at the lowest, first bit set, index into the array,
-     * grab the data needed, and move on.
-     */
-    while (attrs) {
-        UINT8 bit_index = find_first_set(attrs);
-
-        dispatch_table *d = &table[bit_index];
-
-        const char *name = d->name;
-        unsigned w = d->width;
-
-        /* current position and size left of the string */
-        char *s = &str[string_index];
-        size_t left = length - string_index;
-
-        /* this is a mask that is field width wide */
-        UINT8 mask = ((UINT32)1 << w) - 1;
-
-        /* get the value in the field before clearing attrs out */
-        UINT8 field_values = (attrs & mask << bit_index) >> bit_index;
-
-        /*
-         * turn off the parsed bit(s) index, using width to turn off everything in a
-         * field
-         */
-        attrs &= ~(mask << bit_index);
-
-        /*
-         * if the callback is NULL, we are either in a field middle or reserved
-         * section which is weird, just add the name in. In the case of being
-         * in the middle of the field, we will add a bunch of errors to the string,
-         * but it would be better to attempt to show all the data in string form,
-         * rather than bail.
-         *
-         * Fields are either 1 or > 1.
-         */
-        if (w == 1) {
-            /*
-             * set the format to a middle output, unless we're parsing
-             * the first or last. Let the format be static with the routine
-             * so the compiler can do printf style format specifier checking.
-             */
-            if (!string_index) {
-                /* on the first write, if we are already done, no pipes */
-                string_index += !attrs ? snprintf(s, left, "%s", name) :
-                        snprintf(s, left, "%s|", name);
-            } else if (!attrs) {
-                string_index += snprintf(s, left, "%s", name);
-            } else {
-                string_index += snprintf(s, left, "%s|", name);
-            }
-        } else {
-            /* deal with the field */
-            if (!string_index) {
-                /* on the first write, if we are already done, no pipes */
-                string_index += !attrs ? snprintf(s, left, "%s=0x%X", name, field_values) :
-                        snprintf(s, left, "%s=0x%X|", name, field_values);
-            } else if (!attrs) {
-                string_index += snprintf(s, left, "%s=0x%X", name, field_values);
-            } else {
-                string_index += snprintf(s, left, "%s=0x%X|", name, field_values);
-            }
-        }
-    }
-
-    return str;
-}
-
-char *tpm2_attr_util_nv_attrtostr(TPMA_NV nvattrs) {
-    return tpm2_attr_util_common_attrtostr(nvattrs, nv_attr_table, ARRAY_LEN(nv_attr_table));
-}
-
-char *tpm2_attr_util_obj_attrtostr(TPMA_OBJECT objattrs) {
-    return tpm2_attr_util_common_attrtostr(objattrs, obj_attr_table, ARRAY_LEN(obj_attr_table));
-}
-
-bool tpm2_attr_util_obj_from_optarg(char *argvalue, TPMA_OBJECT *objattrs) {
-
-    bool res = tpm2_util_string_to_uint32(argvalue, objattrs);
-    if (!res) {
-        res = tpm2_attr_util_obj_strtoattr(argvalue, objattrs);
-    }
-
-    return res;
-}
diff --git a/TPM2-Plugin/lib/tpm2_convert.c b/TPM2-Plugin/lib/tpm2_convert.c
deleted file mode 100644
index 9b09c81..0000000
--- a/TPM2-Plugin/lib/tpm2_convert.c
+++ /dev/null
@@ -1,216 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, SUSE Linux GmbH
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-
-#include <string.h>
-#include <errno.h>
-
-#include <openssl/rsa.h>
-#include <openssl/pem.h>
-#include <openssl/bn.h>
-#include <openssl/err.h>
-
-#include "files.h"
-#include "log.h"
-#include "tpm2_alg_util.h"
-#include "tpm2_convert.h"
-#include "tpm2_util.h"
-
-static bool tpm2_convert_pubkey_ssl(TPMT_PUBLIC *public, tpm2_convert_pubkey_fmt format, const char *path);
-
-tpm2_convert_pubkey_fmt tpm2_convert_pubkey_fmt_from_optarg(const char *label) {
-    if (strcasecmp(label, "der") == 0) {
-        return pubkey_format_der;
-    }
-    else if (strcasecmp(label, "pem") == 0) {
-        return pubkey_format_pem;
-    }
-    else if (strcasecmp(label, "tss") == 0) {
-        return pubkey_format_tss;
-    }
-
-    LOG_ERR("Invalid public key output format '%s' specified", label);
-
-    return pubkey_format_err;
-}
-
-tpm2_convert_sig_fmt tpm2_convert_sig_fmt_from_optarg(const char *label) {
-    if (strcasecmp(label, "tss") == 0) {
-        return signature_format_tss;
-    }
-    else if (strcasecmp(label, "plain") == 0) {
-        return signature_format_plain;
-    }
-
-    LOG_ERR("Invalid signature output format '%s' specified", label);
-
-    return signature_format_err;
-}
-
-static void print_ssl_error(const char *failed_action) {
-    char errstr[256] = {0};
-    unsigned long errnum = ERR_get_error();
-
-    ERR_error_string_n(errnum, errstr, sizeof(errstr));
-    LOG_ERR("%s: %s", failed_action, errstr);
-}
-
-bool tpm2_convert_pubkey_save(TPM2B_PUBLIC *public, tpm2_convert_pubkey_fmt format, const char *path) {
-
-    if (format == pubkey_format_der || format == pubkey_format_pem) {
-        return tpm2_convert_pubkey_ssl(&public->publicArea, format, path);
-    }
-    else if (format == pubkey_format_tss) {
-        return files_save_public(public, path);
-    }
-
-    LOG_ERR("Unsupported public key output format.");
-    return false;
-}
-
-static bool tpm2_convert_pubkey_ssl(TPMT_PUBLIC *public, tpm2_convert_pubkey_fmt format, const char *path) {
-    bool ret = false;
-    FILE *fp = NULL;
-    RSA *ssl_rsa_key = NULL;
-    BIGNUM *e = NULL, *n = NULL;
-
-    // need this before the first SSL call for getting human readable error
-    // strings in print_ssl_error()
-    ERR_load_crypto_strings();
-
-    if (public->type != TPM2_ALG_RSA) {
-        LOG_ERR("Unsupported key type for requested output format. Only RSA is supported.");
-        goto error;
-    }
-
-    UINT32 exponent = (public->parameters).rsaDetail.exponent;
-    if (exponent == 0) {
-        exponent = 0x10001;
-    }
-
-    // OpenSSL expects this in network byte order
-    exponent = tpm2_util_hton_32(exponent);
-    ssl_rsa_key = RSA_new();
-    if (!ssl_rsa_key) {
-        print_ssl_error("Failed to allocate OpenSSL RSA structure");
-        goto error;
-    }
-
-    e = BN_bin2bn((void*)&exponent, sizeof(exponent), NULL);
-    n = BN_bin2bn(public->unique.rsa.buffer, public->unique.rsa.size,
-                  NULL);
-
-    if (!n || !e) {
-        print_ssl_error("Failed to convert data to SSL internal format");
-        goto error;
-    }
-
-#if OPENSSL_VERSION_NUMBER < 0x1010000fL || defined(LIBRESSL_VERSION_NUMBER) /* OpenSSL 1.1.0 */
-    ssl_rsa_key->e = e;
-    ssl_rsa_key->n = n;
-#else
-    if (!RSA_set0_key(ssl_rsa_key, n, e, NULL)) {
-        print_ssl_error("Failed to set RSA modulus and exponent components");
-        goto error;
-    }
-#endif
-
-    /* modulus and exponent components are now owned by the RSA struct */
-    n = e = NULL;
-
-    fp = fopen(path, "wb");
-    if (!fp) {
-        LOG_ERR("Failed to open public key output file '%s': %s",
-            path, strerror(errno));
-        goto error;
-    }
-
-    int ssl_res = 0;
-
-    switch(format) {
-    case pubkey_format_pem:
-        ssl_res = PEM_write_RSA_PUBKEY(fp, ssl_rsa_key);
-        break;
-    case pubkey_format_der:
-        ssl_res = i2d_RSA_PUBKEY_fp(fp, ssl_rsa_key);
-        break;
-    default:
-        LOG_ERR("Invalid OpenSSL target format %d encountered", format);
-        goto error;
-    }
-
-    if (ssl_res <= 0) {
-        print_ssl_error("OpenSSL public key conversion failed");
-        goto error;
-    }
-
-    ret = true;
-
-error:
-    if (fp) {
-        fclose(fp);
-    }
-    if (n) {
-        BN_free(n);
-    }
-    if (e) {
-        BN_free(e);
-    }
-    if (ssl_rsa_key) {
-        RSA_free(ssl_rsa_key);
-    }
-    ERR_free_strings();
-
-    return ret;
-}
-
-bool tpm2_convert_sig(TPMT_SIGNATURE *signature, tpm2_convert_sig_fmt format, const char *path) {
-
-    switch(format) {
-    case signature_format_tss:
-        return files_save_signature(signature, path);
-    case signature_format_plain: {
-        UINT8 *buffer;
-        UINT16 size;
-
-        buffer = tpm2_extract_plain_signature(&size, signature);
-        if (buffer == NULL) {
-            return false;
-        }
-
-        bool ret = files_save_bytes_to_file(path, buffer, size);
-        free(buffer);
-        return ret;
-    }
-    default:
-        LOG_ERR("Unsupported signature output format.");
-        return false;
-    }
-}
diff --git a/TPM2-Plugin/lib/tpm2_error.c b/TPM2-Plugin/lib/tpm2_error.c
deleted file mode 100644
index 32eeb41..0000000
--- a/TPM2-Plugin/lib/tpm2_error.c
+++ /dev/null
@@ -1,871 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2018, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <tss2/tss2_sys.h>
-
-#include "tpm2_error.h"
-#include "tpm2_util.h"
-
-/**
- * The maximum size of a layer name.
- */
-#define TSS2_ERR_LAYER_NAME_MAX  4
-
-/**
- * The maximum size for layer specific error strings.
- */
-#define TSS2_ERR_LAYER_ERROR_STR_MAX  512
-
-/**
- * Concatenates (safely) onto a static buffer given a format and varaidic
- * arguments similar to sprintf.
- * @param b
- *   The static buffer to concatenate onto.
- * @param fmt
- *   The format specifier as understood by printf followed by the variadic
- *   parameters for the specifier.
- */
-#define catbuf(b, fmt, ...) _catbuf(b, sizeof(b), fmt, ##__VA_ARGS__)
-
-/**
- * Clears out a static buffer by setting index 0 to the null byte.
- * @param buffer
- *  The buffer to clear out.
- */
-static void clearbuf(char *buffer) {
-    buffer[0] = '\0';
-}
-
-/**
- * Prints to a buffer using snprintf(3) using the supplied fmt
- * and varaiadic arguments.
- * @param buf
- *  The buffer to print into.
- * @param len
- *  The length of that buffer.
- * @param fmt
- *  The format string
- * @warning
- *  DO NOT CALL DIRECTLY, use the catbuf() macro.
- */
-static void COMPILER_ATTR(format (printf, 3, 4))
-_catbuf(char *buf, size_t len, const char *fmt, ...) {
-    va_list argptr;
-    va_start(argptr, fmt);
-    size_t offset = strlen(buf);
-    vsnprintf(&buf[offset], len - offset, fmt, argptr);
-    va_end(argptr);
-}
-
-/**
- * Retrieves the layer number. The layer number is in the 3rd
- * octet and is thus 1 byte big.
- *
- * @param rc
- *  The rc to query for the layer number.
- * @return
- *  The layer number.
- */
-static inline UINT8 tss2_rc_layer_number_get(TSS2_RC rc) {
-    return ((rc & TSS2_RC_LAYER_MASK) >> TSS2_RC_LAYER_SHIFT);
-}
-
-/**
- * Queries a TPM format 1 error codes N field. The N field
- * is a 4 bit field located at bits 8:12.
- * @param rc
- *  The rc to query the N field for.
- * @return
- *  The N field value.
- */
-static inline UINT8 tpm2_rc_fmt1_N_get(TPM2_RC rc) {
-    return ((rc & (0xF << 8)) >> 8);
-}
-
-/**
- * Queries the index bits out of the N field contained in a TPM format 1
- * error code. The index bits are the low 3 bits of the N field.
- * @param rc
- *  The TPM format 1 error code to query for the index bits.
- * @return
- *  The index bits from the N field.
- */
-static inline UINT8 tpm2_rc_fmt1_N_index_get(TPM2_RC rc) {
-    return (tpm2_rc_fmt1_N_get(rc) & 0x7);
-}
-
-/**
- * Determines if the N field in a TPM format 1 error code is
- * a handle or not.
- * @param rc
- *  The TPM format 1 error code to query.
- * @return
- *  True if it is a handle, false otherwise.
- */
-static inline bool tpm2_rc_fmt1_N_is_handle(TPM2_RC rc) {
-    return ((tpm2_rc_fmt1_N_get(rc) & 0x8) == 0);
-}
-
-static inline UINT8 tpm2_rc_fmt1_P_get(TPM2_RC rc) {
-    return ((rc & (1 << 6)) >> 6);
-}
-
-static inline UINT16 tpm2_rc_fmt1_error_get(TPM2_RC rc) {
-    return (rc & 0x3F);
-}
-
-static inline UINT16 tpm2_rc_fmt0_error_get(TPM2_RC rc) {
-    return (rc & 0x7F);
-}
-
-static inline UINT8 tpm2_rc_tpm_fmt0_V_get(TPM2_RC rc) {
-    return ((rc & (1 << 8)) >> 8);
-}
-
-static inline UINT8 tpm2_rc_fmt0_T_get(TPM2_RC rc) {
-    return ((rc & (1 << 10)) >> 8);
-}
-
-static inline UINT8 tpm2_rc_fmt0_S_get(TSS2_RC rc) {
-    return ((rc & (1 << 11)) >> 8);
-}
-
-/**
- * Helper macro for adding a layer handler to the layer
- * registration array.
- */
-#define ADD_HANDLER(name, handler) \
-    { name, handler }
-
-/**
- * Same as ADD_HANDLER but sets it to NULL. Used as a placeholder
- * for non-registered indexes into the handler array.
- */
-#define ADD_NULL_HANDLER ADD_HANDLER(NULL, NULL)
-
-static const char *tpm2_err_handler_fmt1(TPM2_RC rc) {
-
-    /*
-     * format 1 error codes start at 1, so
-     * add a NULL entry to index 0.
-     */
-    static const char *fmt1_err_strs[] = {
-        // 0x0 - EMPTY
-        NULL,
-        // 0x1 - TPM2_RC_ASYMMETRIC
-        "asymmetric algorithm not supported or not correct",
-        // 0x2 - TPM2_RC_ATTRIBUTES
-        "inconsistent attributes",
-        // 0x3 - TPM2_RC_HASH
-        "hash algorithm not supported or not appropriate",
-        // 0x4 - TPM2_RC_VALUE
-        "value is out of range or is not correct for the context",
-        // 0x5 - TPM2_RC_HIERARCHY
-        "hierarchy is not enabled or is not correct for the use",
-        // 0x6 - EMPTY
-        NULL,
-        // 0x7 - TPM2_RC_KEY_SIZE
-        "key size is not supported",
-        // 0x8 - TPM2_RC_MGF
-        "mask generation function not supported",
-        // 0x9 - TPM2_RC_MODE
-        "mode of operation not supported",
-        // 0xA - TPM2_RC_TYPE
-        "the type of the value is not appropriate for the use",
-        // 0xB - TPM2_RC_HANDLE
-        "the handle is not correct for the use",
-        // 0xC - TPM2_RC_KDF
-        "unsupported key derivation function or function not appropriate for "
-        "use",
-        // 0xD - TPM2_RC_RANGE
-        "value was out of allowed range",
-        // 0xE - TPM2_RC_AUTH_FAIL
-        "the authorization HMAC check failed and DA counter incremented",
-        // 0xF - TPM2_RC_NONCE
-        "invalid nonce size or nonce value mismatch",
-        // 0x10 - TPM2_RC_PP
-        "authorization requires assertion of PP",
-        // 0x11 - EMPTY
-        NULL,
-        // 0x12 - TPM2_RC_SCHEME
-        "unsupported or incompatible scheme",
-        // 0x13 - EMPTY
-        NULL,
-        // 0x14 - EMPTY
-        NULL,
-        // 0x15 - TPM2_RC_SIZE
-        "structure is the wrong size",
-        // 0x16 - TPM2_RC_SYMMETRIC
-        "unsupported symmetric algorithm or key size, or not appropriate for"
-        " instance",
-        // 0x17 - TPM2_RC_TAG
-        "incorrect structure tag",
-        // 0x18 - TPM2_RC_SELECTOR
-        "union selector is incorrect",
-        // 0x19 - EMPTY
-        NULL,
-        // 0x1A - TPM2_RC_INSUFFICIENT
-        "the TPM was unable to unmarshal a value because there were not enough"
-        " octets in the input buffer",
-        // 0x1B - TPM2_RC_SIGNATURE
-        "the signature is not valid",
-        // 0x1C - TPM2_RC_KEY
-        "key fields are not compatible with the selected use",
-        // 0x1D - TPM2_RC_POLICY_FAIL
-        "a policy check failed",
-        // 0x1E - EMPTY
-        NULL,
-        // 0x1F - TPM2_RC_INTEGRITY
-        "integrity check failed",
-        // 0x20 - TPM2_RC_TICKET
-        "invalid ticket",
-        // 0x21 - TPM2_RC_RESERVED_BITS
-        "reserved bits not set to zero as required",
-        // 0x22 - TPM2_RC_BAD_AUTH
-        "authorization failure without DA implications",
-        // 0x23 - TPM2_RC_EXPIRED
-        "the policy has expired",
-        // 0x24 - TPM2_RC_POLICY_CC
-        "the commandCode in the policy is not the commandCode of the command"
-        " or the command code in a policy command references a command that"
-        " is not implemented",
-        // 0x25 - TPM2_RC_BINDING
-        "public and sensitive portions of an object are not cryptographically bound",
-        // 0x26 - TPM2_RC_CURVE
-        "curve not supported",
-        // 0x27 - TPM2_RC_ECC_POINT
-        "point is not on the required curve",
-    };
-
-    static char buf[TSS2_ERR_LAYER_ERROR_STR_MAX + 1];
-
-    clearbuf(buf);
-
-    /* Print whether or not the error is caused by a bad
-     * handle or parameter. On the case of a Handle (P == 0)
-     * then the N field top bit will be set. Un-set this bit
-     * to get the handle index by subtracting 8 as N is a 4
-     * bit field.
-     *
-     * the lower 3 bits of N indicate index, and the high bit
-     * indicates
-     */
-    UINT8 index = tpm2_rc_fmt1_N_index_get(rc);
-
-    bool is_handle = tpm2_rc_fmt1_N_is_handle(rc);
-    const char *m = tpm2_rc_fmt1_P_get(rc) ? "parameter" :
-                    is_handle ? "handle" : "session";
-    catbuf(buf, "%s", m);
-
-    if (index) {
-        catbuf(buf, "(%u):", index);
-    } else {
-        catbuf(buf, "%s", "(unk):");
-    }
-
-    UINT8 errnum = tpm2_rc_fmt1_error_get(rc);
-    if (errnum < ARRAY_LEN(fmt1_err_strs)) {
-        m = fmt1_err_strs[errnum];
-        catbuf(buf, "%s", m);
-    } else {
-        catbuf(buf, "unknown error num: 0x%X", errnum);
-    }
-
-    return buf;
-}
-
-static const char *tpm2_err_handler_fmt0(TSS2_RC rc) {
-
-    /*
-     * format 0 error codes start at 1, so
-     * add a NULL entry to index 0.
-     * Thus, no need to offset the error bits
-     * and fmt0 and fmt1 arrays can be used
-     * in-place of each other for lookups.
-     */
-    static const char *fmt0_warn_strs[] = {
-            // 0x0 - EMPTY
-            NULL,
-            // 0x1 - TPM2_RC_CONTEXT_GAP
-            "gap for context ID is too large",
-            // 0x2 - TPM2_RC_OBJECT_MEMORY
-            "out of memory for object contexts",
-            // 0x3 - TPM2_RC_SESSION_MEMORY
-            "out of memory for session contexts",
-            // 0x4 - TPM2_RC_MEMORY
-            "out of shared object/session memory or need space for internal"
-            " operations",
-            // 0x5 - TPM2_RC_SESSION_HANDLES
-            "out of session handles",
-            // 0x6 - TPM2_RC_OBJECT_HANDLES
-            "out of object handles",
-            // 0x7 - TPM2_RC_LOCALITY
-            "bad locality",
-            // 0x8 - TPM2_RC_YIELDED
-            "the TPM has suspended operation on the command; forward progress"
-            " was made and the command may be retried",
-            // 0x9 - TPM2_RC_CANCELED
-            "the command was canceled",
-            // 0xA - TPM2_RC_TESTING
-            "TPM is performing self-tests",
-            // 0xB - EMPTY
-            NULL,
-            // 0xC - EMPTY
-            NULL,
-            // 0xD - EMPTY
-            NULL,
-            // 0xE - EMPTY
-            NULL,
-            // 0xF - EMPTY
-            NULL,
-            // 0x10 - TPM2_RC_REFERENCE_H0
-            "the 1st handle in the handle area references a transient object"
-            " or session that is not loaded",
-            // 0x11 - TPM2_RC_REFERENCE_H1
-            "the 2nd handle in the handle area references a transient object"
-            " or session that is not loaded",
-            // 0x12 - TPM2_RC_REFERENCE_H2
-            "the 3rd handle in the handle area references a transient object"
-            " or session that is not loaded",
-            // 0x13 - TPM2_RC_REFERENCE_H3
-            "the 4th handle in the handle area references a transient object"
-            " or session that is not loaded",
-            // 0x14 - TPM2_RC_REFERENCE_H4
-            "the 5th handle in the handle area references a transient object"
-            " or session that is not loaded",
-            // 0x15 - TPM2_RC_REFERENCE_H5
-            "the 6th handle in the handle area references a transient object"
-            " or session that is not loaded",
-            // 0x16 - TPM2_RC_REFERENCE_H6
-            "the 7th handle in the handle area references a transient object"
-            " or session that is not loaded",
-            // 0x17 - EMPTY,
-            // 0x18 - TPM2_RC_REFERENCE_S0
-            "the 1st authorization session handle references a session that"
-            " is not loaded",
-            // 0x19 - TPM2_RC_REFERENCE_S1
-            "the 2nd authorization session handle references a session that"
-            " is not loaded",
-            // 0x1A - TPM2_RC_REFERENCE_S2
-            "the 3rd authorization session handle references a session that"
-            " is not loaded",
-            // 0x1B - TPM2_RC_REFERENCE_S3
-            "the 4th authorization session handle references a session that"
-            " is not loaded",
-            // 0x1C - TPM2_RC_REFERENCE_S4
-            "the 5th authorization session handle references a session that"
-            " is not loaded",
-            // 0x1D - TPM2_RC_REFERENCE_S5
-            "the 6th authorization session handle references a session that"
-            " is not loaded",
-            // 0x1E - TPM2_RC_REFERENCE_S6
-            "the 7th authorization session handle references a session that"
-            " is not loaded",
-            // 0x20 -TPM2_RC_NV_RATE
-            "the TPM is rate-limiting accesses to prevent wearout of NV",
-            // 0x21 - TPM2_RC_LOCKOUT
-            "authorizations for objects subject to DA protection are not"
-            " allowed at this time because the TPM is in DA lockout mode",
-            // 0x22 - TPM2_RC_RETRY
-            "the TPM was not able to start the command",
-            // 0x23 - TPM2_RC_NV_UNAVAILABLE
-            "the command may require writing of NV and NV is not current"
-            " accessible",
-    };
-
-    /*
-     * format 1 error codes start at 0, so
-     * no need to offset the error bits.
-     */
-    static const char *fmt0_err_strs[] = {
-        // 0x0 - TPM2_RC_INITIALIZE
-        "TPM not initialized by TPM2_Startup or already initialized",
-        // 0x1 - TPM2_RC_FAILURE
-        "commands not being accepted because of a TPM failure",
-        // 0x2 - EMPTY
-        NULL,
-        // 0x3 - TPM2_RC_SEQUENCE
-        "improper use of a sequence handle",
-        // 0x4 - EMPTY
-        NULL,
-        // 0x5 - EMPTY
-        NULL,
-        // 0x6 - EMPTY
-        NULL,
-        // 0x7 - EMPTY
-        NULL,
-        // 0x8 - EMPTY
-        NULL,
-        // 0x9 - EMPTY
-        NULL,
-        // 0xA - EMPTY
-        NULL,
-        // 0xB - TPM2_RC_PRIVATE
-        "not currently used",
-        // 0xC - EMPTY
-        NULL,
-        // 0xD - EMPTY
-        NULL,
-        // 0xE - EMPTY
-        NULL,
-        // 0xF - EMPTY
-        NULL,
-        // 0x10 - EMPTY
-        NULL,
-        // 0x11 - EMPTY
-        NULL,
-        // 0x12 - EMPTY
-        NULL,
-        // 0x13 - EMPTY
-        NULL,
-        // 0x14 - EMPTY
-        NULL,
-        // 0x15 - EMPTY
-        NULL,
-        // 0x16 - EMPTY
-        NULL,
-        // 0x17 - EMPTY
-        NULL,
-        // 0x18 - EMPTY
-        NULL,
-        // 0x19 - TPM2_RC_HMAC
-        "not currently used",
-        // 0x1A - EMPTY
-        NULL,
-        // 0x1B - EMPTY
-        NULL,
-        // 0x1C - EMPTY
-        NULL,
-        // 0x1D - EMPTY
-        NULL,
-        // 0x1E - EMPTY
-        NULL,
-        // 0x1F - EMPTY
-        NULL,
-        // 0x20 - TPM2_RC_DISABLED
-        "the command is disabled",
-        // 0x21 - TPM2_RC_EXCLUSIVE
-        "command failed because audit sequence required exclusivity",
-        // 0x22 - EMPTY
-        NULL,
-        // 0x23 - EMPTY,
-        NULL,
-        // 0x24 - TPM2_RC_AUTH_TYPE
-        "authorization handle is not correct for command",
-        // 0x25 - TPM2_RC_AUTH_MISSING
-        "command requires an authorization session for handle and it is"
-        " not present",
-        // 0x26 - TPM2_RC_POLICY
-        "policy failure in math operation or an invalid authPolicy value",
-        // 0x27 - TPM2_RC_PCR
-        "PCR check fail",
-        // 0x28 - TPM2_RC_PCR_CHANGED
-        "PCR have changed since checked",
-        // 0x29 - EMPTY
-        NULL,
-        // 0x2A - EMPTY
-        NULL,
-        // 0x2B - EMPTY
-        NULL,
-        // 0x2C - EMPTY
-        NULL,
-        // 0x2D - TPM2_RC_UPGRADE
-        "TPM is in field upgrade mode unless called via"
-        " TPM2_FieldUpgradeData(), then it is not in field upgrade mode",
-        // 0x2E - TPM2_RC_TOO_MANY_CONTEXTS
-        "context ID counter is at maximum",
-        // 0x2F - TPM2_RC_AUTH_UNAVAILABLE
-        "authValue or authPolicy is not available for selected entity",
-        // 0x30 - TPM2_RC_REBOOT
-        "a _TPM_Init and Startup(CLEAR) is required before the TPM can"
-        " resume operation",
-        // 0x31 - TPM2_RC_UNBALANCED
-        "the protection algorithms (hash and symmetric) are not reasonably"
-        " balanced. The digest size of the hash must be larger than the key"
-        " size of the symmetric algorithm.",
-        // 0x32 - EMPTY
-        NULL,
-        // 0x33 - EMPTY
-        NULL,
-        // 0x34 - EMPTY
-        NULL,
-        // 0x35 - EMPTY
-        NULL,
-        // 0x36 - EMPTY
-        NULL,
-        // 0x37 - EMPTY
-        NULL,
-        // 0x38 - EMPTY
-        NULL,
-        // 0x39 - EMPTY
-        NULL,
-        // 0x3A - EMPTY
-        NULL,
-        // 0x3B - EMPTY
-        NULL,
-        // 0x3C - EMPTY
-        NULL,
-        // 0x3D - EMPTY
-        NULL,
-        // 0x3E - EMPTY
-        NULL,
-        // 0x3F - EMPTY
-        NULL,
-        // 0x40 - EMPTY
-        NULL,
-        // 0x41 - EMPTY
-        NULL,
-        // 0x42 - TPM2_RC_COMMAND_SIZE
-        "command commandSize value is inconsistent with contents of the"
-        " command buffer; either the size is not the same as the octets"
-        " loaded by the hardware interface layer or the value is not large"
-        " enough to hold a command header",
-        // 0x43 - TPM2_RC_COMMAND_CODE
-        "command code not supported",
-        // 0x44 - TPM2_RC_AUTHSIZE
-        "the value of authorizationSize is out of range or the number of"
-        " octets in the Authorization Area is greater than required",
-        // 0x45 - TPM2_RC_AUTH_CONTEXT
-        "use of an authorization session with a context command or another"
-        " command that cannot have an authorization session",
-        // 0x46 - TPM2_RC_NV_RANGE
-        "NV offset+size is out of range",
-        // 0x47 - TPM2_RC_NV_SIZE
-        "Requested allocation size is larger than allowed",
-        // 0x48 - TPM2_RC_NV_LOCKED
-        "NV access locked",
-        // 0x49 - TPM2_RC_NV_AUTHORIZATION
-        "NV access authorization fails in command actions",
-        // 0x4A - TPM2_RC_NV_UNINITIALIZED
-        "an NV Index is used before being initialized or the state saved"
-        " by TPM2_Shutdown(STATE) could not be restored",
-        // 0x4B - TPM2_RC_NV_SPACE
-        "insufficient space for NV allocation",
-        // 0x4C - TPM2_RC_NV_DEFINED
-        "NV Index or persistent object already defined",
-        // 0x4D - EMPTY
-        NULL,
-        // 0x4E - EMPTY
-        NULL,
-        // 0x4F - EMPTY
-        NULL,
-        // 0x50 - TPM2_RC_BAD_CONTEXT
-        "context in TPM2_ContextLoad() is not valid",
-        // 0x51 - TPM2_RC_CPHASH
-        "cpHash value already set or not correct for use",
-        // 0x52 - TPM2_RC_PARENT
-        "handle for parent is not a valid parent",
-        // 0x53 - TPM2_RC_NEEDS_TEST
-        "some function needs testing",
-        // 0x54 - TPM2_RC_NO_RESULT
-        "returned when an internal function cannot process a request due to"
-        " an unspecified problem. This code is usually related to invalid"
-        " parameters that are not properly filtered by the input"
-        " unmarshaling code",
-        // 0x55 - TPM2_RC_SENSITIVE
-        "the sensitive area did not unmarshal correctly after decryption",
-    };
-
-    static char buf[TSS2_ERR_LAYER_ERROR_STR_MAX + 1];
-
-    clearbuf(buf);
-
-    char *e = tpm2_rc_fmt0_S_get(rc) ? "warn" : "error";
-    char *v = tpm2_rc_tpm_fmt0_V_get(rc) ? "2.0" : "1.2";
-    catbuf(buf, "%s(%s): ", e, v);
-
-    UINT8 errnum = tpm2_rc_fmt0_error_get(rc);
-    /* We only have version 2.0 spec codes defined */
-    if (tpm2_rc_tpm_fmt0_V_get(rc)) {
-        /* TCG specific error code */
-        if (tpm2_rc_fmt0_T_get(rc)) {
-            catbuf(buf, "Vendor specific error: 0x%X", errnum);
-            return buf;
-        }
-
-        /* is it a warning (version 2 error string) or is it a 1.2 error? */
-        size_t len =
-                tpm2_rc_fmt0_S_get(rc) ?
-                        ARRAY_LEN(fmt0_warn_strs) : ARRAY_LEN(fmt0_err_strs);
-        const char **selection =
-                tpm2_rc_fmt0_S_get(rc) ? fmt0_warn_strs : fmt0_err_strs;
-        if (errnum >= len) {
-            return NULL;
-        }
-
-        const char *m = selection[errnum];
-        if (!m) {
-            return NULL;
-        }
-
-        catbuf(buf, "%s", m);
-        return buf;
-    }
-
-    catbuf(buf, "%s", "unknown version 1.2 error code");
-
-    return buf;
-}
-
-/**
- * Retrieves the layer field from a TSS2_RC code.
- * @param rc
- *  The rc to query the layer index of.
- * @return
- *  The layer index.
- */
-static inline UINT8 tss2_rc_layer_format_get(TSS2_RC rc) {
-
-    return ((rc & (1 << 7)) >> 7);
-}
-
-/**
- * Handler for tpm2 error codes. ie codes
- * coming from the tpm layer aka layer 0.
- * @param rc
- *  The rc to decode.
- * @return
- *  An error string.
- */
-static const char *tpm2_ehandler(TSS2_RC rc) {
-
-    bool is_fmt_1 = tss2_rc_layer_format_get(rc);
-
-    return is_fmt_1 ? tpm2_err_handler_fmt1(rc) : tpm2_err_handler_fmt0(rc);
-}
-
-/**
- * The default system code handler. This handles codes
- * from the RM (itself and simlated tpm responses), the marshaling
- * library (mu), and the tcti layers.
- * @param rc
- *  The rc to decode.
- * @return
- *  An error string.
- */
-static const char *sys_err_handler (TSS2_RC rc) {
-    UNUSED(rc);
-
-    /*
-     * subtract 1 from the error number
-     * before indexing into this array.
-     *
-     * Commented offsets are for the corresponding
-     * error number *before* subtraction. Ie error
-     * number 4 is at array index 3.
-     */
-    static const char *errors[] =   {
-        // 1 - TSS2_BASE_RC_GENERAL_FAILURE
-        "Catch all for all errors not otherwise specified",
-        // 2 - TSS2_BASE_RC_NOT_IMPLEMENTED
-        "If called functionality isn't implemented",
-        // 3 - TSS2_BASE_RC_BAD_CONTEXT
-        "A context structure is bad",
-        // 4 - TSS2_BASE_RC_ABI_MISMATCH
-        "Passed in ABI version doesn't match called module's ABI version",
-        // 5 - TSS2_BASE_RC_BAD_REFERENCE
-        "A pointer is NULL that isn't allowed to be NULL.",
-        // 6 - TSS2_BASE_RC_INSUFFICIENT_BUFFER
-        "A buffer isn't large enough",
-        // 7 - TSS2_BASE_RC_BAD_SEQUENCE
-        "Function called in the wrong order",
-        // 8 - TSS2_BASE_RC_NO_CONNECTION
-        "Fails to connect to next lower layer",
-        // 9 - TSS2_BASE_RC_TRY_AGAIN
-        "Operation timed out; function must be called again to be completed",
-        // 10 - TSS2_BASE_RC_IO_ERROR
-        "IO failure",
-        // 11 - TSS2_BASE_RC_BAD_VALUE
-        "A parameter has a bad value",
-        // 12 - TSS2_BASE_RC_NOT_PERMITTED
-        "Operation not permitted.",
-        // 13 - TSS2_BASE_RC_INVALID_SESSIONS
-        "Session structures were sent, but command doesn't use them or doesn't"
-        " use the specified number of them",
-        // 14 - TSS2_BASE_RC_NO_DECRYPT_PARAM
-        "If function called that uses decrypt parameter, but command doesn't"
-        " support decrypt parameter.",
-        // 15 - TSS2_BASE_RC_NO_ENCRYPT_PARAM
-        "If function called that uses encrypt parameter, but command doesn't"
-        " support decrypt parameter.",
-        // 16 - TSS2_BASE_RC_BAD_SIZE
-        "If size of a parameter is incorrect",
-        // 17 - TSS2_BASE_RC_MALFORMED_RESPONSE
-        "Response is malformed",
-        // 18 - TSS2_BASE_RC_INSUFFICIENT_CONTEXT
-        "Context not large enough",
-        // 19 - TSS2_BASE_RC_INSUFFICIENT_RESPONSE
-        "Response is not long enough",
-        // 20 - TSS2_BASE_RC_INCOMPATIBLE_TCTI
-        "Unknown or unusable TCTI version",
-        // 21 - TSS2_BASE_RC_NOT_SUPPORTED
-        "Functionality not supported",
-        // 22 - TSS2_BASE_RC_BAD_TCTI_STRUCTURE
-        "TCTI context is bad"
-  };
-
-    return (rc - 1u < ARRAY_LEN(errors)) ? errors[rc - 1u] : NULL;
-}
-
-
-static struct {
-    const char *name;
-    tpm2_error_handler handler;
-} layer_handler[TPM2_ERROR_TSS2_RC_LAYER_COUNT] = {
-    ADD_HANDLER("tpm" , tpm2_ehandler),
-    ADD_NULL_HANDLER,                       // layer 1  is unused
-    ADD_NULL_HANDLER,                       // layer 2  is unused
-    ADD_NULL_HANDLER,                       // layer 3  is unused
-    ADD_NULL_HANDLER,                       // layer 4  is unused
-    ADD_NULL_HANDLER,                       // layer 5  is unused
-    ADD_NULL_HANDLER,                       // layer 6  is the feature rc
-    ADD_HANDLER("fapi", NULL),              // layer 7  is the esapi rc
-    ADD_HANDLER("sys", sys_err_handler),    // layer 8  is the sys rc
-    ADD_HANDLER("mu",  sys_err_handler),    // layer 9  is the mu rc
-                                            // Defaults to the system handler
-    ADD_HANDLER("tcti", sys_err_handler),   // layer 10 is the tcti rc
-                                            // Defaults to the system handler
-    ADD_HANDLER("rmt", tpm2_ehandler),      // layer 11 is the resource manager TPM RC
-                                            // The RM usually duplicates TPM responses
-                                            // So just default the handler to tpm2.
-    ADD_HANDLER("rm", NULL),                // layer 12 is the rm rc
-    ADD_HANDLER("drvr", NULL),              // layer 13 is the driver rc
-};
-
-/**
- * Determines if the layer allowed to be registered to.
- * @param layer
- *  The layer to determine handler assignment eligibility of.
- * @return
- *  True if it is reserved and thus non-assignable, false otherwise.
- */
-static bool is_reserved_layer(UINT8 layer) {
-    return layer == 0;
-}
-
-/**
- * If a layer has no handler registered, default to this
- * handler that prints the error number in hex.
- * @param rc
- *  The rc to print the error number of.
- * @return
- *  The string.
- */
-static const char *unkown_layer_handler(TSS2_RC rc) {
-    UNUSED(rc);
-
-    static char buf[32];
-
-    clearbuf(buf);
-    catbuf(buf, "0x%X", tpm2_error_get(rc));
-
-    return buf;
-}
-
-/**
- * Register or unregister a custom layer error handler.
- * @param layer
- *  The layer in which to register a handler for. It is an error
- *  to register for the following reserved layers:
- *    - TSS2_TPM_RC_LAYER  - layer  0
- *    - TSS2_SYS_RC_LAYER  - layer  8
- *    - TSS2_MU_RC_LAYER   - layer  9
- *    - TSS2_TCTI_RC_LAYER - layer 10
- * @param name
- *  A friendly layer name. It is an error for the name to be of
- *  length 0 or greater than 4.
- * @param handler
- *  The handler function to register or NULL to unregister.
- * @return
- *  True on success or False on error.
- */
-bool tpm2_error_set_handler(UINT8 layer, const char *name,
-        tpm2_error_handler handler) {
-
-    /* don't allow setting reserved layers */
-    if (is_reserved_layer(layer)) {
-        return false;
-    }
-
-    /*
-     * if they are clearing the handler, name doesn't matter
-     * clear it too.
-     */
-    if (!handler) {
-        name = NULL;
-    }
-
-    /* Perform a zero and max-name length check if name is being set */
-    if (name) {
-        size_t len = name ? strlen(name) : 0;
-        if (!len || len > TSS2_ERR_LAYER_NAME_MAX)
-            return false;
-    }
-
-    layer_handler[layer].handler = handler;
-    layer_handler[layer].name = name;
-
-    return true;
-}
-
-const char * tpm2_error_str(TSS2_RC rc) {
-
-    static char buf[TSS2_ERR_LAYER_NAME_MAX + TSS2_ERR_LAYER_ERROR_STR_MAX + 1];
-
-    clearbuf(buf);
-
-    UINT8 layer = tss2_rc_layer_number_get(rc);
-
-    tpm2_error_handler handler = layer_handler[layer].handler;
-    const char *lname = layer_handler[layer].name;
-
-    if (lname) {
-        catbuf(buf, "%s:", lname);
-    } else {
-        catbuf(buf, "%u:", layer);
-    }
-
-    handler = !handler ? unkown_layer_handler : handler;
-
-    // Handlers only need the error bits. This way they don't
-    // need to concern themselves with masking off the layer
-    // bits or anything else.
-    UINT16 err_bits = tpm2_error_get(rc);
-    const char *e = err_bits ? handler(err_bits) : "success";
-    if (e) {
-        catbuf(buf, "%s", e);
-    } else {
-        catbuf(buf, "0x%X", err_bits);
-    }
-
-    return buf;
-}
diff --git a/TPM2-Plugin/lib/tpm2_hash.c b/TPM2-Plugin/lib/tpm2_hash.c
deleted file mode 100644
index 5ea7400..0000000
--- a/TPM2-Plugin/lib/tpm2_hash.c
+++ /dev/null
@@ -1,162 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#include <errno.h>
-#include <string.h>
-
-#include <tss2/tss2_sys.h>
-
-#include "log.h"
-#include "files.h"
-#include "tpm2_hash.h"
-#include "tpm2_util.h"
-
-bool tpm2_hash_compute_data(TSS2_SYS_CONTEXT *sapi_context, TPMI_ALG_HASH halg,
-        TPMI_RH_HIERARCHY hierarchy, BYTE *buffer, UINT16 length,
-        TPM2B_DIGEST *result, TPMT_TK_HASHCHECK *validation) {
-
-    FILE *mem = fmemopen(buffer, length, "rb");
-    if (!mem) {
-        LOG_ERR("Error converting buffer to memory stream: %s",
-                strerror(errno));
-        return false;
-    }
-
-    return tpm2_hash_file(sapi_context, halg, hierarchy, mem, result, validation);
-}
-
-bool tpm2_hash_file(TSS2_SYS_CONTEXT *sapi_context, TPMI_ALG_HASH halg,
-        TPMI_RH_HIERARCHY hierarchy, FILE *input, TPM2B_DIGEST *result,
-        TPMT_TK_HASHCHECK *validation) {
-
-    TPM2B_AUTH nullAuth = TPM2B_EMPTY_INIT;
-    TPMI_DH_OBJECT sequenceHandle;
-
-    TSS2L_SYS_AUTH_COMMAND cmdAuthArray = { 1, {{.sessionHandle = TPM2_RS_PW, 
-            .nonce = TPM2B_EMPTY_INIT, .hmac = TPM2B_EMPTY_INIT,
-            .sessionAttributes = 0, }}};
-    unsigned long file_size = 0;
-
-    /* Suppress error reporting with NULL path */
-    bool res = files_get_file_size(input, &file_size, NULL);
-
-    /* If we can get the file size and its less than 1024, just do it in one hash invocation */
-    if (res && file_size <= TPM2_MAX_DIGEST_BUFFER) {
-
-        TPM2B_MAX_BUFFER buffer = { .size = file_size };
-
-        res = files_read_bytes(input, buffer.buffer, buffer.size);
-        if (!res) {
-            LOG_ERR("Error reading input file!");
-            return false;
-        }
-
-        TSS2_RC rval = TSS2_RETRY_EXP(Tss2_Sys_Hash(sapi_context, NULL, &buffer, halg,
-            hierarchy, result, validation, NULL));
-        if (rval != TSS2_RC_SUCCESS) {
-            LOG_PERR(Tss2_Sys_Hash, rval);
-            return false;
-        }
-
-        return true;
-    }
-
-    /*
-     * Size is either unkown because the FILE * is a fifo, or it's too big
-     * to do in a single hash call. Based on the size figure out the chunks
-     * to loop over, if possible. This way we can call Complete with data.
-     */
-    TSS2_RC rval = TSS2_RETRY_EXP(Tss2_Sys_HashSequenceStart(sapi_context, NULL, &nullAuth,
-            halg, &sequenceHandle, NULL));
-    if (rval != TPM2_RC_SUCCESS) {
-        LOG_PERR(Tss2_Sys_HashSequenceStart, rval);
-        return rval;
-    }
-
-    /* If we know the file size, we decrement the amount read and terminate the loop
-     * when 1 block is left, else we go till feof.
-     */
-    size_t left = file_size;
-    bool use_left = !!res;
-
-    TPM2B_MAX_BUFFER data;
-
-    bool done = false;
-    while (!done) {
-
-        size_t bytes_read = fread(data.buffer, 1,
-                BUFFER_SIZE(typeof(data), buffer), input);
-        if (ferror(input)) {
-            LOG_ERR("Error reading from input file");
-            return false;
-        }
-
-        data.size = bytes_read;
-
-        /* if data was read, update the sequence */
-        rval = TSS2_RETRY_EXP(Tss2_Sys_SequenceUpdate(sapi_context, sequenceHandle,
-                &cmdAuthArray, &data, NULL));
-        if (rval != TPM2_RC_SUCCESS) {
-            LOG_PERR(Tss2_Sys_SequenceUpdate, rval);
-            return false;
-        }
-
-        if (use_left) {
-            left -= bytes_read;
-            if (left <= TPM2_MAX_DIGEST_BUFFER) {
-                done = true;
-                continue;
-            }
-        } else if (feof(input)) {
-            done = true;
-        }
-    } /* end file read/hash update loop */
-
-    if (use_left) {
-        data.size = left;
-        bool res = files_read_bytes(input, data.buffer, left);
-        if (!res) {
-            LOG_ERR("Error reading from input file.");
-            return false;
-        }
-    } else {
-        data.size = 0;
-    }
-
-    rval = TSS2_RETRY_EXP(Tss2_Sys_SequenceComplete(sapi_context, sequenceHandle,
-            &cmdAuthArray, &data, hierarchy, result, validation,
-            NULL));
-    if (rval != TSS2_RC_SUCCESS) {
-        LOG_PERR(Tss2_Sys_SequenceComplete, rval);
-        return false;
-    }
-
-    return true;
-}
diff --git a/TPM2-Plugin/lib/tpm2_plugin_api.c b/TPM2-Plugin/lib/tpm2_plugin_api.c
index d63550e..b9fc75b 100644
--- a/TPM2-Plugin/lib/tpm2_plugin_api.c
+++ b/TPM2-Plugin/lib/tpm2_plugin_api.c
@@ -1,60 +1,47 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-
-#include <tss2/tss2_sys.h>
+/* Copyright 2018 Intel Corporation, Inc
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*       http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include <sapi/tpm20.h>
 #include <stdbool.h>
+#include <errno.h>
 #include <unistd.h>
 #include "tpm2_plugin_api.h"
-#include "tpm2_convert.h"
-#include "tpm2_tcti_ldr.h"
-#include "tpm2_tool.h"
-#include "tpm2_hash.h"
-#include "tpm2_alg_util.h"
-#include "log.h"
-#include "files.h"
-
+#ifdef HAVE_TCTI_DEV
+#include <tcti/tcti_device.h>
+#endif
+#ifdef HAVE_TCTI_SOCK
+#include <tcti/tcti_socket.h>
+#endif
+#ifdef HAVE_TCTI_TABRMD
+#include <tcti/tcti-tabrmd.h>
+#endif
 bool output_enabled = true;
-
+bool hexPasswd = false;
+TPM_HANDLE handle2048rsa;
 const char *tcti_path="libtss2-tcti-device.so";
 
-static void tcti_teardown (TSS2_TCTI_CONTEXT *tcti_context)
+static void tcti_teardown(TSS2_TCTI_CONTEXT *tcti_context)
 {
-
-    Tss2_Tcti_Finalize (tcti_context);
+    if (tcti_context == NULL)
+        return;
+    tss2_tcti_finalize (tcti_context);
     free (tcti_context);
 }
 
-static void sapi_teardown (TSS2_SYS_CONTEXT *sapi_context)
+static void sapi_teardown(TSS2_SYS_CONTEXT *sapi_context)
 {
-
     if (sapi_context == NULL)
         return;
     Tss2_Sys_Finalize (sapi_context);
@@ -63,49 +50,16 @@ static void sapi_teardown (TSS2_SYS_CONTEXT *sapi_context)
 
 static void sapi_teardown_full (TSS2_SYS_CONTEXT *sapi_context)
 {
-
     TSS2_TCTI_CONTEXT *tcti_context = NULL;
     TSS2_RC rc;
 
     rc = Tss2_Sys_GetTctiContext (sapi_context, &tcti_context);
-    if (rc != TPM2_RC_SUCCESS)
+    if (rc != TSS2_RC_SUCCESS)
         return;
     sapi_teardown (sapi_context);
     tcti_teardown (tcti_context);
 }
 
-#define SUPPORTED_ABI_VERSION \
-{ \
-    .tssCreator = 1, \
-    .tssFamily = 2, \
-    .tssLevel = 1, \
-    .tssVersion = 108, \
-}
-
-static TSS2_SYS_CONTEXT* sapi_ctx_init(TSS2_TCTI_CONTEXT *tcti_ctx)
-{
-
-    TSS2_ABI_VERSION abi_version = SUPPORTED_ABI_VERSION;
-
-    size_t size = Tss2_Sys_GetContextSize(0);
-    TSS2_SYS_CONTEXT *sapi_ctx = (TSS2_SYS_CONTEXT*) calloc(1, size);
-    if (sapi_ctx == NULL) {
-        LOG_ERR("Failed to allocate 0x%zx bytes for the SAPI context\n",
-                size);
-        return NULL;
-    }
-
-    TSS2_RC rval = Tss2_Sys_Initialize(sapi_ctx, size, tcti_ctx, &abi_version);
-    if (rval != TPM2_RC_SUCCESS) {
-        LOG_PERR(Tss2_Sys_Initialize, rval);
-        free(sapi_ctx);
-        return NULL;
-    }
-
-    return sapi_ctx;
-}
-
-
 int tpm2_plugin_init()
 {
     printf("Init API done for TPM plugin ! \n");
@@ -118,7 +72,7 @@ int tpm2_plugin_uninit()
     return 0;
 }
 
-TPM2_HANDLE srk_handle;
+TPM_HANDLE srk_handle;
 int tpm2_plugin_activate(SSHSM_HW_PLUGIN_ACTIVATE_LOAD_IN_INFO_t *activate_in_info)
 {
     /*
@@ -137,137 +91,322 @@ int tpm2_plugin_activate(SSHSM_HW_PLUGIN_ACTIVATE_LOAD_IN_INFO_t *activate_in_in
     return 0;
 }
 
-TPM2_HANDLE handle_load;
-
-typedef struct tpm_load_ctx tpm_load_ctx;
-struct tpm_load_ctx {
-    TPMS_AUTH_COMMAND session_data;
-    TPMI_DH_OBJECT parent_handle;
-    TPM2B_PUBLIC  in_public;
-    TPM2B_PRIVATE in_private;
-    char *out_file;
-    char *context_file;
-    char *context_parent_file;
-    struct {
-        UINT8 H : 1;
-        UINT8 u : 1;
-        UINT8 r : 1;
-        UINT8 c : 1;
-        UINT8 C : 1;
-    } flags;
-};
+TPMI_DH_OBJECT handle_load;
+
+#ifdef HAVE_TCTI_DEV
+TSS2_TCTI_CONTEXT*
+tcti_device_init (char const *device_file)
+{
+    TCTI_DEVICE_CONF conf = {
+        .device_path = device_file,
+        .logCallback = NULL,
+        .logData     = NULL,
+    };
+    size_t size;
+    TSS2_RC rc;
+    TSS2_TCTI_CONTEXT *tcti_ctx;
 
-static tpm_load_ctx ctx_load = {
-    .session_data = {
-        .sessionHandle = TPM2_RS_PW,
-        .nonce = TPM2B_EMPTY_INIT,
-        .hmac = TPM2B_EMPTY_INIT,
-        .sessionAttributes = 0
+    rc = InitDeviceTcti (NULL, &size, 0);
+    if (rc != TSS2_RC_SUCCESS) {
+        fprintf (stderr,
+                 "Failed to get allocation size for device tcti context: "
+                 "0x%x\n", rc);
+        return NULL;
     }
-};
+    tcti_ctx = (TSS2_TCTI_CONTEXT*)calloc (1, size);
+    if (tcti_ctx == NULL) {
+        fprintf (stderr,
+                 "Allocation for device TCTI context failed: %s\n",
+                 strerror (errno));
+        return NULL;
+    }
+    rc = InitDeviceTcti (tcti_ctx, &size, &conf);
+    if (rc != TSS2_RC_SUCCESS) {
+        fprintf (stderr,
+                 "Failed to initialize device TCTI context: 0x%x\n",
+                 rc);
+        free (tcti_ctx);
+        return NULL;
+    }
+    return tcti_ctx;
+}
+#endif
+
+
+#ifdef HAVE_TCTI_SOCK
+TSS2_TCTI_CONTEXT* tcti_socket_init (char const *address, uint16_t port)
+{
+    TCTI_SOCKET_CONF conf = {
+        .hostname          = address,
+        .port              = port,
+        .logCallback       = NULL,
+        .logBufferCallback = NULL,
+        .logData           = NULL,
+    };
+    size_t size;
+    TSS2_RC rc;
+    TSS2_TCTI_CONTEXT *tcti_ctx;
+
+    rc = InitSocketTcti (NULL, &size, &conf, 0);
+    if (rc != TSS2_RC_SUCCESS) {
+        fprintf (stderr, "Faled to get allocation size for tcti context: "
+                 "0x%x\n", rc);
+        return NULL;
+    }
+    tcti_ctx = (TSS2_TCTI_CONTEXT*)calloc (1, size);
+    if (tcti_ctx == NULL) {
+        fprintf (stderr, "Allocation for tcti context failed: %s\n",
+                 strerror (errno));
+        return NULL;
+    }
+    rc = InitSocketTcti (tcti_ctx, &size, &conf, 0);
+    if (rc != TSS2_RC_SUCCESS) {
+        fprintf (stderr, "Failed to initialize tcti context: 0x%x\n", rc);
+        free (tcti_ctx);
+        return NULL;
+    }
+    return tcti_ctx;
+}
+#endif
+#ifdef HAVE_TCTI_TABRMD
+TSS2_TCTI_CONTEXT *tcti_tabrmd_init (void)
+{
+    TSS2_TCTI_CONTEXT *tcti_ctx;
+    TSS2_RC rc;
+    size_t size;
+
+    rc = tss2_tcti_tabrmd_init(NULL, &size);
+    if (rc != TSS2_RC_SUCCESS) {
+        printf("Failed to get size for TABRMD TCTI context: 0x%x", rc);
+        return NULL;
+    }
+    tcti_ctx = (TSS2_TCTI_CONTEXT*)calloc (1, size);
+    if (tcti_ctx == NULL) {
+        printf("Allocation for TABRMD TCTI context failed: %s", strerror (errno));
+        return NULL;
+    }
+    rc = tss2_tcti_tabrmd_init (tcti_ctx, &size);
+    if (rc != TSS2_RC_SUCCESS) {
+        printf("Failed to initialize TABRMD TCTI context: 0x%x", rc);
+        free(tcti_ctx);
+        return NULL;
+    }
+    return tcti_ctx;
+}
+#endif
+TSS2_TCTI_CONTEXT *tcti_init_from_options(common_opts_t *options)
+{
+    switch (options->tcti_type) {
+#ifdef HAVE_TCTI_DEV
+    case DEVICE_TCTI:
+        return tcti_device_init (options->device_file);
+#endif
+#ifdef HAVE_TCTI_SOCK
+    case SOCKET_TCTI:
+        return tcti_socket_init (options->socket_address,
+                                 options->socket_port);
+#endif
+#ifdef HAVE_TCTI_TABRMD
+    case TABRMD_TCTI:
+        return tcti_tabrmd_init ();
+#endif
+    default:
+        return NULL;
+    }
+}
+
+static TSS2_SYS_CONTEXT *sapi_ctx_init (TSS2_TCTI_CONTEXT *tcti_ctx)
+{
+    TSS2_SYS_CONTEXT *sapi_ctx;
+    TSS2_RC rc;
+    size_t size;
+    TSS2_ABI_VERSION abi_version = {
+        .tssCreator = TSSWG_INTEROP,
+        .tssFamily  = TSS_SAPI_FIRST_FAMILY,
+        .tssLevel   = TSS_SAPI_FIRST_LEVEL,
+        .tssVersion = TSS_SAPI_FIRST_VERSION,
+    };
+
+    size = Tss2_Sys_GetContextSize (0);
+    sapi_ctx = (TSS2_SYS_CONTEXT*)calloc (1, size);
+    if (sapi_ctx == NULL) {
+        fprintf (stderr,
+                 "Failed to allocate 0x%zx bytes for the SAPI context\n",
+                 size);
+        return NULL;
+    }
+    rc = Tss2_Sys_Initialize (sapi_ctx, size, tcti_ctx, &abi_version);
+    if (rc != TSS2_RC_SUCCESS) {
+        fprintf (stderr, "Failed to initialize SAPI context: 0x%x\n", rc);
+        free (sapi_ctx);
+        return NULL;
+    }
+    return sapi_ctx;
+}
 
-int load (TSS2_SYS_CONTEXT *sapi_context) {
+#define BUFFER_SIZE(type, field) (sizeof((((type *)NULL)->t.field)))
+#define TPM2B_TYPE_INIT(type, field) { .t = { .size = BUFFER_SIZE(type, field), }, }
+TPMS_AUTH_COMMAND sessionData;
+int hex2ByteStructure(const char *inStr, UINT16 *byteLength, BYTE *byteBuffer)
+{
+    int strLength;//if the inStr likes "1a2b...", no prefix "0x"
+    int i = 0;
+    if(inStr == NULL || byteLength == NULL || byteBuffer == NULL)
+        return -1;
+    strLength = strlen(inStr);
+    if(strLength%2)
+        return -2;
+    for(i = 0; i < strLength; i++)
+    {
+        if(!isxdigit(inStr[i]))
+            return -3;
+    }
+
+    if(*byteLength < strLength/2)
+        return -4;
+
+    *byteLength = strLength/2;
+
+    for(i = 0; i < *byteLength; i++)
+    {
+        char tmpStr[4] = {0};
+        tmpStr[0] = inStr[i*2];
+        tmpStr[1] = inStr[i*2+1];
+        byteBuffer[i] = strtol(tmpStr, NULL, 16);
+    }
+    return 0;
+}
+int load_key(TSS2_SYS_CONTEXT *sapi_context,
+             TPMI_DH_OBJECT    parentHandle,
+             TPM2B_PUBLIC     *inPublic,
+             TPM2B_PRIVATE    *inPrivate,
+             int               P_flag)
+{
     UINT32 rval;
-    TSS2L_SYS_AUTH_COMMAND sessionsData;
-    TSS2L_SYS_AUTH_RESPONSE sessionsDataOut;
+    TPMS_AUTH_RESPONSE sessionDataOut;
+    TSS2_SYS_CMD_AUTHS sessionsData;
+    TSS2_SYS_RSP_AUTHS sessionsDataOut;
+    TPMS_AUTH_COMMAND *sessionDataArray[1];
+    TPMS_AUTH_RESPONSE *sessionDataOutArray[1];
 
     TPM2B_NAME nameExt = TPM2B_TYPE_INIT(TPM2B_NAME, name);
 
-    sessionsData.count = 1;
-    sessionsData.auths[0] = ctx_load.session_data;
-
-    rval = TSS2_RETRY_EXP(Tss2_Sys_Load(sapi_context,
-                         ctx_load.parent_handle,
-                         &sessionsData,
-                         &ctx_load.in_private,
-                         &ctx_load.in_public,
-                         &handle_load,
-                         &nameExt,
-                         &sessionsDataOut));
-    if(rval != TPM2_RC_SUCCESS)
+    sessionDataArray[0] = &sessionData;
+    sessionDataOutArray[0] = &sessionDataOut;
+
+    sessionsDataOut.rspAuths = &sessionDataOutArray[0];
+    sessionsData.cmdAuths = &sessionDataArray[0];
+
+    sessionsDataOut.rspAuthsCount = 1;
+    sessionsData.cmdAuthsCount = 1;
+
+    sessionData.sessionHandle = TPM_RS_PW;
+    sessionData.nonce.t.size = 0;
+
+    if(P_flag == 0)
+        sessionData.hmac.t.size = 0;
+
+    *((UINT8 *)((void *)&sessionData.sessionAttributes)) = 0;
+    if (sessionData.hmac.t.size > 0 && hexPasswd)
     {
-        LOG_PERR(Tss2_Sys_Load, rval);
-        return -1;
+        sessionData.hmac.t.size = sizeof(sessionData.hmac) - 2;
+        if (hex2ByteStructure((char *)sessionData.hmac.t.buffer,
+                              &sessionData.hmac.t.size,
+                              sessionData.hmac.t.buffer) != 0)
+        {
+            printf( "Failed to convert Hex format password for parent Passwd.\n");
+            return -1;
+        }
     }
-    tpm2_tool_output("handle_load: 0x%08x\n", handle_load);
 
-    if (ctx_load.out_file) {
-        if(!files_save_bytes_to_file(ctx_load.out_file, nameExt.name, nameExt.size)) {
-            return -2;
-        }
+    rval = Tss2_Sys_Load (sapi_context,
+                          parentHandle,
+                          &sessionsData,
+                          inPrivate,
+                          inPublic,
+                          &handle2048rsa,
+                          &nameExt,
+                          &sessionsDataOut);
+    if(rval != TPM_RC_SUCCESS)
+    {
+        printf("\nLoad Object Failed ! ErrorCode: 0x%0x\n\n",rval);
+        return -1;
     }
+    printf("\nLoad succ.\nLoadedHandle: 0x%08x\n\n",handle2048rsa);
 
     return 0;
 }
 
-int tpm2_tool_load_key(TSS2_SYS_CONTEXT *sapi_context)
+TPMS_CONTEXT loaded_key_context;
+
+int load_key_execute(SSHSM_HW_PLUGIN_ACTIVATE_LOAD_IN_INFO_t *loadkey_in_info,
+                     void **keyHandle, TSS2_SYS_CONTEXT *sapi_context)
 {
 
+    TPMI_DH_OBJECT parentHandle;
+    TPM2B_PUBLIC  inPublic;
+    TPM2B_PRIVATE inPrivate;
+    UINT16 size;
     int returnVal = 0;
 
-    if ((!ctx_load.flags.H && !ctx_load.flags.c) || (!ctx_load.flags.u || !ctx_load.flags.r)) {
-        LOG_ERR("Expected options (H or c) and u and r");
-        return 1;
-    }
+    memset(&inPublic,0,sizeof(TPM2B_PUBLIC));
+    memset(&inPrivate,0,sizeof(TPM2B_SENSITIVE));
 
-    if(ctx_load.flags.c) {
-        returnVal = files_load_tpm_context_from_path(sapi_context,
-                                               &ctx_load.parent_handle,
-                                               ctx_load.context_parent_file) != true;
-        if (returnVal) {
-            return 1;
-        }
-    }
+    setbuf(stdout, NULL);
+    setvbuf (stdout, NULL, _IONBF, BUFSIZ);
 
-    returnVal = load(sapi_context);
-    if (returnVal) {
-        return 1;
-    }
+    //parentHandle = 0x81000011;
+    parentHandle = srk_handle;
 
-    if (ctx_load.flags.C) {
-        returnVal = files_save_tpm_context_to_path (sapi_context,
-                                                    handle_load,
-                                                    ctx_load.context_file) != true;
-        if (returnVal) {
-            return 1;
-        }
+    if (loadkey_in_info->num_buffers != 2)
+        return -1;
+    memcpy(&inPublic, loadkey_in_info->buffer_info[0]->buffer,
+           loadkey_in_info->buffer_info[0]->length_of_buffer);
+    memcpy(&inPrivate, loadkey_in_info->buffer_info[1]->buffer,
+           loadkey_in_info->buffer_info[1]->length_of_buffer);
+
+        printf("we are here now\n");
+    returnVal = load_key (sapi_context,
+                          parentHandle,
+                          &inPublic,
+                          &inPrivate,
+                          0);
+
+    TPM_RC rval = Tss2_Sys_ContextSave(sapi_context, handle2048rsa, &loaded_key_context);
+    if (rval != TPM_RC_SUCCESS) {
+        printf("Tss2_Sys_ContextSave: Saving handle 0x%x context failed. TPM Error:0x%x", handle2048rsa, rval);
+        return -1;
     }
-
+    *keyHandle = &handle2048rsa;
     return 0;
 }
 
-int tpm2_plugin_load_key(
-           SSHSM_HW_PLUGIN_ACTIVATE_LOAD_IN_INFO_t *loadkey_in_info,
-           void **keyHandle
-        )
+int tpm2_plugin_load_key(SSHSM_HW_PLUGIN_ACTIVATE_LOAD_IN_INFO_t *loadkey_in_info,
+                         void **keyHandle)
 {
     int ret = 1;
-    TSS2_TCTI_CONTEXT *tcti;
-    tcti = tpm2_tcti_ldr_load(tcti_path, NULL);
-    if (!tcti) {
-        LOG_ERR("Could not load tcti, got: \"%s\"", tcti_path);
+    common_opts_t opts = COMMON_OPTS_INITIALIZER;
+    TSS2_TCTI_CONTEXT *tcti_ctx;
+    tcti_ctx = tcti_init_from_options(&opts);
+    if (tcti_ctx == NULL)
         return -1;
-    }
 
     TSS2_SYS_CONTEXT *sapi_context = NULL;
-    if (tcti) {
-        sapi_context = sapi_ctx_init(tcti);
+    if (tcti_ctx) {
+        sapi_context = sapi_ctx_init(tcti_ctx);
         if (!sapi_context) {
-            goto free_tcti;
+            free(tcti_ctx);
+            return -1;
         }
     }
 
-    ret = tpm2_tool_load_key(sapi_context);
-    if (ret != 0) {
-        LOG_ERR("Unable to run tpm2_tool_iload_key");
-    sapi_teardown_full(sapi_context);
+    ret = load_key_execute(loadkey_in_info, keyHandle, sapi_context);
+    if (ret !=0)
+        printf("Load key API failed in TPM plugin ! \n");
 
-free_tcti:
-    tpm2_tcti_ldr_unload();
-    return ret;
-    }
+    sapi_teardown_full(sapi_context);
 
-    printf("Load key API done for TPM plugin ! \n");
+    printf("Load key API successful in TPM plugin ! \n");
     return 0;
 
 }
@@ -278,161 +417,228 @@ struct tpm_sign_ctx {
     TPMS_AUTH_COMMAND sessionData;
     TPMI_DH_OBJECT keyHandle;
     TPMI_ALG_HASH halg;
-    TPM2B_DIGEST digest;
-    char *outFilePath;
+    char outFilePath[PATH_MAX];
     BYTE *msg;
     UINT16 length;
-    char *contextKeyFile;
-    char *inMsgFileName;
-    tpm2_convert_sig_fmt sig_format;
-    struct {
-        UINT16 k : 1;
-        UINT16 P : 1;
-        UINT16 g : 1;
-        UINT16 m : 1;
-        UINT16 t : 1;
-        UINT16 s : 1;
-        UINT16 c : 1;
-        UINT16 f : 1;
-        UINT16 D : 1;
-    } flags;
-};
-
-tpm_sign_ctx ctx_sign = {
-        .msg = NULL,
-        .sessionData = TPMS_AUTH_COMMAND_INIT(TPM2_RS_PW),
-        .halg = TPM2_ALG_SHA1,
-        .digest = TPM2B_TYPE_INIT(TPM2B_DIGEST, buffer),
+    TSS2_SYS_CONTEXT *sapi_context;
 };
 
-
 int tpm2_plugin_rsa_sign_init(
         void *keyHandle,
-        unsigned long mechanish,
+        unsigned long mechanism,
         void *param,
         int len)
 {
+    printf("rsa_sign_init API mechanism is %lx \n", mechanism);
     printf("rsa_sign_init API done for tpm2_plugin... \n");
     return 0;
 }
 
-static bool init_sign(TSS2_SYS_CONTEXT *sapi_context) {
+UINT32 tpm_hash(TSS2_SYS_CONTEXT *sapi_context, TPMI_ALG_HASH hashAlg,
+        UINT16 size, BYTE *data, TPM2B_DIGEST *result) {
+    TPM2B_MAX_BUFFER dataSizedBuffer;
 
-    if (!((ctx_sign.flags.k || ctx_sign.flags.c) && (ctx_sign.flags.m || ctx_sign.flags.D) && ctx_sign.flags.s)) {
-        LOG_ERR("Expected options (k or c) and (m or D) and s");
-        return false;
+    dataSizedBuffer.t.size = size;
+    memcpy(dataSizedBuffer.t.buffer, data, size);
+    return Tss2_Sys_Hash(sapi_context, 0, &dataSizedBuffer, hashAlg,
+            TPM_RH_NULL, result, 0, 0);
+}
+
+static TPM_RC hash_sequence_ex(TSS2_SYS_CONTEXT *sapi_context,
+
+    TPMI_ALG_HASH hashAlg, UINT32 numBuffers, TPM2B_MAX_BUFFER *bufferList,
+    TPM2B_DIGEST *result) {
+    TPM_RC rval;
+    TPM2B_AUTH nullAuth;
+    TPMI_DH_OBJECT sequenceHandle;
+    TPM2B emptyBuffer;
+    TPMT_TK_HASHCHECK validation;
+
+    TPMS_AUTH_COMMAND cmdAuth;
+    TPMS_AUTH_COMMAND *cmdSessionArray[1] = { &cmdAuth };
+    TSS2_SYS_CMD_AUTHS cmdAuthArray = { 1, &cmdSessionArray[0] };
+
+    nullAuth.t.size = 0;
+    emptyBuffer.size = 0;
+
+    // Set result size to 0, in case any errors occur
+    result->b.size = 0;
+
+    // Init input sessions struct
+    cmdAuth.sessionHandle = TPM_RS_PW;
+    cmdAuth.nonce.t.size = 0;
+    *((UINT8 *) ((void *) &cmdAuth.sessionAttributes)) = 0;
+    cmdAuth.hmac.t.size = 0;
+
+    rval = Tss2_Sys_HashSequenceStart(sapi_context, 0, &nullAuth, hashAlg,
+            &sequenceHandle, 0);
+    if (rval != TPM_RC_SUCCESS) {
+        return rval;
     }
 
-    if (ctx_sign.flags.D && (ctx_sign.flags.t || ctx_sign.flags.m)) {
-        LOG_WARN("Option D provided, options m and t are ignored.");
+    unsigned i;
+    for (i = 0; i < numBuffers; i++) {
+        rval = Tss2_Sys_SequenceUpdate(sapi_context, sequenceHandle,
+                &cmdAuthArray, &bufferList[i], 0);
+
+        if (rval != TPM_RC_SUCCESS) {
+            return rval;
+        }
     }
 
-    if (ctx_sign.flags.D || !ctx_sign.flags.t) {
-        ctx_sign.validation.tag = TPM2_ST_HASHCHECK;
-        ctx_sign.validation.hierarchy = TPM2_RH_NULL;
-        memset(&ctx_sign.validation.digest, 0, sizeof(ctx_sign.validation.digest));
+    rval = Tss2_Sys_SequenceComplete(sapi_context, sequenceHandle,
+            &cmdAuthArray, (TPM2B_MAX_BUFFER *) &emptyBuffer,
+            TPM_RH_PLATFORM, result, &validation, 0);
+
+    if (rval != TPM_RC_SUCCESS) {
+        return rval;
     }
 
-    /*
-     * load tpm context from a file if -c is provided
-     */
-    if (ctx_sign.flags.c) {
-        bool result = files_load_tpm_context_from_path(sapi_context, &ctx_sign.keyHandle,
-                ctx_sign.contextKeyFile);
-        if (!result) {
-            return false;
-        }
+    return rval;
+}
+
+int tpm_hash_compute_data(TSS2_SYS_CONTEXT *sapi_context, BYTE *buffer,
+        UINT16 length, TPMI_ALG_HASH halg, TPM2B_DIGEST *result) {
+
+    if (length <= MAX_DIGEST_BUFFER) {
+        if (tpm_hash(sapi_context, halg, length, buffer,
+                result) == TPM_RC_SUCCESS)
+            return 0;
+        else
+            return -1;
     }
 
-    /*
-     * Process the msg file if needed
-     */
-    if (ctx_sign.flags.m && !ctx_sign.flags.D) {
-      unsigned long file_size;
-      bool result = files_get_file_size_path(ctx_sign.inMsgFileName, &file_size);
-      if (!result) {
-          return false;
-      }
-      if (file_size == 0) {
-          LOG_ERR("The message file \"%s\" is empty!", ctx_sign.inMsgFileName);
-          return false;
-      }
-
-      if (file_size > UINT16_MAX) {
-          LOG_ERR(
-                  "The message file \"%s\" is too large, got: %lu bytes, expected less than: %u bytes!",
-                  ctx_sign.inMsgFileName, file_size, UINT16_MAX + 1);
-          return false;
-      }
-
-      ctx_sign.msg = (BYTE*) calloc(required_argument, file_size);
-      if (!ctx_sign.msg) {
-          LOG_ERR("oom");
-          return false;
-      }
-
-      ctx_sign.length = file_size;
-      result = files_load_bytes_from_path(ctx_sign.inMsgFileName, ctx_sign.msg, &ctx_sign.length);
-      if (!result) {
-          free(ctx_sign.msg);
-          return false;
-      }
+    UINT8 numBuffers = (length - 1) / MAX_DIGEST_BUFFER + 1;
+
+    TPM2B_MAX_BUFFER *bufferList = (TPM2B_MAX_BUFFER *) calloc(numBuffers,
+            sizeof(TPM2B_MAX_BUFFER));
+    if (bufferList == NULL)
+        return -2;
+
+    UINT32 i;
+    for (i = 0; i < (UINT32)(numBuffers - 1); i++) {
+        bufferList[i].t.size = MAX_DIGEST_BUFFER;
+        memcpy(bufferList[i].t.buffer, buffer + i * MAX_DIGEST_BUFFER,
+                MAX_DIGEST_BUFFER);
     }
+    bufferList[i].t.size = length - i * MAX_DIGEST_BUFFER;
+    memcpy(bufferList[i].t.buffer, buffer + i * MAX_DIGEST_BUFFER,
+            bufferList[i].t.size);
 
-    return true;
+    TPM_RC rval = hash_sequence_ex(sapi_context, halg, numBuffers, bufferList, result);
+    free(bufferList);
+    return rval == TPM_RC_SUCCESS ? 0 : -3;
 }
 
 
-static bool sign_and_save(TSS2_SYS_CONTEXT *sapi_context) {
+static bool get_key_type(TSS2_SYS_CONTEXT *sapi_context, TPMI_DH_OBJECT objectHandle,
+        TPMI_ALG_PUBLIC *type) {
 
-    TPMT_SIG_SCHEME in_scheme;
-    TPMT_SIGNATURE signature;
+    TPMS_AUTH_RESPONSE session_data_out;
+
+    TPMS_AUTH_RESPONSE *session_data_out_array[1] = {
+            &session_data_out
+    };
+
+    TSS2_SYS_RSP_AUTHS sessions_data_out = {
+            1,
+            &session_data_out_array[0]
+    };
+
+    TPM2B_PUBLIC out_public = {
+            { 0, }
+    };
+
+    TPM2B_NAME name = TPM2B_TYPE_INIT(TPM2B_NAME, name);
 
-    TSS2L_SYS_AUTH_COMMAND sessions_data = { 1, { ctx_sign.sessionData }};
-    TSS2L_SYS_AUTH_RESPONSE sessions_data_out;
+    TPM2B_NAME qaulified_name = TPM2B_TYPE_INIT(TPM2B_NAME, name);
 
-    if (!ctx_sign.flags.D) {
-      bool res = tpm2_hash_compute_data(sapi_context, ctx_sign.halg, TPM2_RH_NULL,
-              ctx_sign.msg, ctx_sign.length, &ctx_sign.digest, NULL);
-      if (!res) {
-          LOG_ERR("Compute message hash failed!");
-          return false;
-      }
+    TPM_RC rval = Tss2_Sys_ReadPublic(sapi_context, objectHandle, 0, &out_public, &name,
+            &qaulified_name, &sessions_data_out);
+    if (rval != TPM_RC_SUCCESS) {
+        printf("Sys_ReadPublic failed, error code: 0x%x", rval);
+        return false;
     }
+    *type = out_public.t.publicArea.type;
+    return true;
+}
 
-    bool result = get_signature_scheme(sapi_context, ctx_sign.keyHandle, ctx_sign.halg, &in_scheme);
+static bool set_scheme(TSS2_SYS_CONTEXT *sapi_context, TPMI_DH_OBJECT keyHandle,
+        TPMI_ALG_HASH halg, TPMT_SIG_SCHEME *inScheme) {
+
+    TPM_ALG_ID type;
+    bool result = get_key_type(sapi_context, keyHandle, &type);
     if (!result) {
         return false;
     }
 
-    TSS2_RC rval = TSS2_RETRY_EXP(Tss2_Sys_Sign(sapi_context, ctx_sign.keyHandle,
-            &sessions_data, &ctx_sign.digest, &in_scheme, &ctx_sign.validation, &signature,
-            &sessions_data_out));
-    if (rval != TPM2_RC_SUCCESS) {
-        LOG_PERR(Tss2_Sys_Sign, rval);
+    switch (type) {
+    case TPM_ALG_RSA :
+        inScheme->scheme = TPM_ALG_RSASSA;
+        inScheme->details.rsassa.hashAlg = halg;
+        break;
+    case TPM_ALG_KEYEDHASH :
+        inScheme->scheme = TPM_ALG_HMAC;
+        inScheme->details.hmac.hashAlg = halg;
+        break;
+    case TPM_ALG_ECC :
+        inScheme->scheme = TPM_ALG_ECDSA;
+        inScheme->details.ecdsa.hashAlg = halg;
+        break;
+    case TPM_ALG_SYMCIPHER :
+    default:
+        printf("Unknown key type, got: 0x%x", type);
         return false;
     }
 
-    return tpm2_convert_sig(&signature, ctx_sign.sig_format, ctx_sign.outFilePath);
+    return true;
 }
+static bool sign_and_save(tpm_sign_ctx *ctx,  unsigned char *sig, int *sig_len) {
+    TPM2B_DIGEST digest = TPM2B_TYPE_INIT(TPM2B_DIGEST, buffer);
 
+    TPMT_SIG_SCHEME in_scheme;
+    TPMT_SIGNATURE signature;
+    int signature_len;
+    TSS2_SYS_CMD_AUTHS sessions_data;
+    TPMS_AUTH_RESPONSE session_data_out;
+    TSS2_SYS_RSP_AUTHS sessions_data_out;
+    TPMS_AUTH_COMMAND *session_data_array[1];
+    TPMS_AUTH_RESPONSE *session_data_out_array[1];
+
+    session_data_array[0] = &ctx->sessionData;
+    sessions_data.cmdAuths = &session_data_array[0];
+    session_data_out_array[0] = &session_data_out;
+    sessions_data_out.rspAuths = &session_data_out_array[0];
+    sessions_data_out.rspAuthsCount = 1;
+    sessions_data.cmdAuthsCount = 1;
+
+    int rc = tpm_hash_compute_data(ctx->sapi_context, ctx->msg, ctx->length, ctx->halg, &digest);
+    if (rc) {
+        printf("Compute message hash failed!");
+        return false;
+    }
 
-int tpm2_tool_sign(TSS2_SYS_CONTEXT *sapi_context)
-{
-
-    bool result = init_sign(sapi_context);
+    bool result = set_scheme(ctx->sapi_context, ctx->keyHandle, ctx->halg, &in_scheme);
     if (!result) {
-        return 1;
+        return false;
     }
 
-    result = sign_and_save(sapi_context);
+    TPM_RC rval = Tss2_Sys_Sign(ctx->sapi_context, ctx->keyHandle,
+                                &sessions_data, &digest, &in_scheme,
+                                &ctx->validation, &signature,
+                                &sessions_data_out);
 
-    free(ctx_sign.msg);
+    if (rval != TPM_RC_SUCCESS) {
+        printf("Sys_Sign failed, error code: 0x%x", rval);
+        return false;
+    }
+    signature_len = sizeof(signature);
+    sig_len = &signature_len;
+    sig = (unsigned char *)&signature;
 
-    return result != true;
+    return true;
 }
 
-
 int tpm2_plugin_rsa_sign(
         void  *keyHandle,
         unsigned long mechanism,
@@ -441,61 +647,58 @@ int tpm2_plugin_rsa_sign(
         unsigned char *sig,
         int *sig_len)
 {
-    int ret = 1;
-    TSS2_TCTI_CONTEXT *tcti;
-    tcti = tpm2_tcti_ldr_load(tcti_path, NULL);
-    if (!tcti) {
-        LOG_ERR("Could not load tcti, got: \"%s\"", tcti_path);
+    TPM_RC rval;
+    common_opts_t opts = COMMON_OPTS_INITIALIZER;
+    TSS2_TCTI_CONTEXT *tcti_ctx;
+    tcti_ctx = tcti_init_from_options(&opts);
+    if (tcti_ctx == NULL)
         return -1;
-    }
-    
+
     TSS2_SYS_CONTEXT *sapi_context = NULL;
-    if (tcti) {
-        sapi_context = sapi_ctx_init(tcti);
-        if (!sapi_context) {
-            goto free_tcti;
-        }
+    if (tcti_ctx) {
+       sapi_context = sapi_ctx_init(tcti_ctx);
+       if (!sapi_context) {
+           free(tcti_ctx);
+           return -1;
+       }
     }
+
+    tpm_sign_ctx ctx = {
+            .msg = NULL,
+            .sessionData = { 0 },
+            .halg = 0,
+            .keyHandle = 0,
+            .validation = { 0 },
+            .sapi_context = sapi_context
+    };
     
-    ret = tpm2_tool_sign(sapi_context);
-    if (ret != 0) {
-        LOG_ERR("Unable to run tpm2_tool_sign");
-    sapi_teardown_full(sapi_context);
+    printf("rsa_sign API mechanism is %lx \n", mechanism);
+    ctx.sessionData.sessionHandle = TPM_RS_PW;
+    ctx.validation.tag = TPM_ST_HASHCHECK;
+    ctx.validation.hierarchy = TPM_RH_NULL;
+    ctx.halg = TPM_ALG_SHA256;
+    ctx.keyHandle = *(TPMI_DH_OBJECT *)keyHandle;
+
+    rval = Tss2_Sys_ContextLoad(ctx.sapi_context, &loaded_key_context, &ctx.keyHandle);
+    if (rval != TPM_RC_SUCCESS) {
+        printf("ContextLoad Error in RSA Sign API. TPM Error:0x%x", rval);
+        goto out;
+    }
+    ctx.length = msg_len;
+    ctx.msg = msg;
 
-free_tcti:
-    tpm2_tcti_ldr_unload();
-    return ret;
+    if (!sign_and_save(&ctx, sig, sig_len)){
+        printf("RSA sign failed\n");
+        goto out;
     }
-    printf("rsa_sign API done for tpm2_plugin... \n");
-}
 
-int tpm2_rsa_create_object(
-                        unsigned long appHandle,
-                        //DhsmWPKRSAFormat* wpk,
-                        void *wpk,
-                        unsigned char* swk,
-                        int swk_len,
-                        unsigned char* iv,
-                        int iv_len,
-                        int tag_len,
-                        void **cb_object)
-{
-    return 0;
-}
+    printf("RSA sign API successful in TPM plugin ! \n");
+
+out:
+    sapi_teardown_full(sapi_context);
 
-int tpm2_rsa_delete_object(void *cb_object)
-{
     return 0;
+
 }
 
-int tpm2_import_object(unsigned long appHandle, 
-                       unsigned char* tlvbuffer, 
-                       int buflen, 
-                       unsigned char* iv, 
-                       int iv_len, 
-                       unsigned char* tpm_pwd, 
-                       int tpm_pwd_len)
 
-{
-    return 0;
-}
diff --git a/TPM2-Plugin/lib/tpm2_plugin_init.c b/TPM2-Plugin/lib/tpm2_plugin_init.c
index d09020f..b221bd2 100644
--- a/TPM2-Plugin/lib/tpm2_plugin_init.c
+++ b/TPM2-Plugin/lib/tpm2_plugin_init.c
@@ -1,33 +1,17 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
+/* Copyright 2018 Intel Corporation, Inc
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*       http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
 
 #include <stdio.h>
 
diff --git a/TPM2-Plugin/lib/tpm2_tcti_ldr.c b/TPM2-Plugin/lib/tpm2_tcti_ldr.c
deleted file mode 100644
index 5b827a9..0000000
--- a/TPM2-Plugin/lib/tpm2_tcti_ldr.c
+++ /dev/null
@@ -1,137 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2018, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-
-#include <limits.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <dlfcn.h>
-
-#include <tss2/tss2_sys.h>
-
-#include "log.h"
-#include "tpm2_tcti_ldr.h"
-
-static void *handle;
-static const TSS2_TCTI_INFO *info;
-
-void tpm2_tcti_ldr_unload(void) {
-    if (handle) {
-#ifndef DISABLE_DLCLOSE
-        dlclose(handle);
-#endif
-        handle = NULL;
-        info = NULL;
-    }
-}
-
-const TSS2_TCTI_INFO *tpm2_tcti_ldr_getinfo(void) {
-    return info;
-}
-
-bool tpm2_tcti_ldr_is_tcti_present(const char *name) {
-
-    char path[PATH_MAX];
-    snprintf(path, sizeof(path), "libtss2-tcti-%s.so", name);
-
-    void *handle = dlopen (path, RTLD_LAZY);
-    if (handle) {
-        dlclose(handle);
-    }
-
-    return handle != NULL;
-}
-
-TSS2_TCTI_CONTEXT *tpm2_tcti_ldr_load(const char *path, const char *opts) {
-
-    TSS2_TCTI_CONTEXT *tcti_ctx = NULL;
-
-    if (handle) {
-        LOG_ERR("Attempting to load multiple tcti's simultaneously is not supported!");
-        return NULL;
-    }
-
-    /*
-     * Try what they gave us, if it doesn't load up, try
-     * libtss2-tcti-xxx.so replacing xxx with what they gave us.
-     */
-    handle = dlopen (path, RTLD_LAZY);
-    if (!handle) {
-
-        char buf[PATH_MAX];
-        size_t size = snprintf(buf, sizeof(buf), "libtss2-tcti-%s.so", path);
-        if (size >= sizeof(buf)) {
-            LOG_ERR("Truncated friendly name conversion, got: \"%s\", made: \"%s\"",
-                    path, buf);
-            return NULL;
-        }
-
-        handle = dlopen (buf, RTLD_LAZY);
-        if (!handle) {
-            LOG_ERR("Could not dlopen library: \"%s\"", buf);
-            return NULL;
-        }
-    }
-
-    TSS2_TCTI_INFO_FUNC infofn = (TSS2_TCTI_INFO_FUNC)dlsym(handle, TSS2_TCTI_INFO_SYMBOL);
-    if (!infofn) {
-        LOG_ERR("Symbol \"%s\"not found in library: \"%s\"",
-                TSS2_TCTI_INFO_SYMBOL, path);
-        goto err;
-    }
-
-    info = infofn();
-
-    TSS2_TCTI_INIT_FUNC init = info->init;
-
-    size_t size;
-    TSS2_RC rc = init(NULL, &size, opts);
-    if (rc != TPM2_RC_SUCCESS) {
-        LOG_ERR("tcti init setup routine failed for library: \"%s\""
-                " options: \"%s\"", path, opts);
-        goto err;
-    }
-
-    tcti_ctx = (TSS2_TCTI_CONTEXT*) calloc(1, size);
-    if (tcti_ctx == NULL) {
-        LOG_ERR("oom");
-        goto err;
-    }
-
-    rc = init(tcti_ctx, &size, opts);
-    if (rc != TPM2_RC_SUCCESS) {
-        LOG_ERR("tcti init allocation routine failed for library: \"%s\""
-                " options: \"%s\"", path, opts);
-        goto err;
-    }
-
-    return tcti_ctx;
-
-err:
-    free(tcti_ctx);
-    dlclose(handle);
-    return NULL;
-}
diff --git a/TPM2-Plugin/lib/tpm2_util.c b/TPM2-Plugin/lib/tpm2_util.c
deleted file mode 100644
index c0a6cc4..0000000
--- a/TPM2-Plugin/lib/tpm2_util.c
+++ /dev/null
@@ -1,347 +0,0 @@
-//**********************************************************************;
-// Copyright (c) 2017, Intel Corporation
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// 3. Neither the name of Intel Corporation nor the names of its contributors
-// may be used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//**********************************************************************;
-#include <ctype.h>
-#include <errno.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "log.h"
-#include "files.h"
-#include "tpm2_alg_util.h"
-#include "tpm2_attr_util.h"
-#include "tpm2_tool.h"
-#include "tpm2_util.h"
-
-bool tpm2_util_concat_buffer(TPM2B_MAX_BUFFER *result, TPM2B *append) {
-
-    if (!result || !append) {
-        return false;
-    }
-
-    if ((result->size + append->size) < result->size) {
-        return false;
-    }
-
-    if ((result->size + append->size) > TPM2_MAX_DIGEST_BUFFER) {
-        return false;
-    }
-
-    memcpy(&result->buffer[result->size], append->buffer, append->size);
-    result->size += append->size;
-
-    return true;
-}
-
-bool tpm2_util_string_to_uint16(const char *str, uint16_t *value) {
-
-    uint32_t tmp;
-    bool result = tpm2_util_string_to_uint32(str, &tmp);
-    if (!result) {
-        return false;
-    }
-
-    /* overflow on 16 bits? */
-    if (tmp > UINT16_MAX) {
-        return false;
-    }
-
-    *value = (uint16_t) tmp;
-    return true;
-}
-
-bool tpm2_util_string_to_uint32(const char *str, uint32_t *value) {
-
-    char *endptr;
-
-    if (str == NULL || *str == '\0') {
-        return false;
-    }
-
-    /* clear errno before the call, should be 0 afterwards */
-    errno = 0;
-    uint32_t tmp = strtoul(str, &endptr, 0);
-    if (errno) {
-        return false;
-    }
-
-    /*
-     * The entire string should be able to be converted or fail
-     * We already checked that str starts with a null byte, so no
-     * need to check that again per the man page.
-     */
-    if (*endptr != '\0') {
-        return false;
-    }
-
-    *value = tmp;
-    return true;
-}
-
-int tpm2_util_hex_to_byte_structure(const char *inStr, UINT16 *byteLength,
-        BYTE *byteBuffer) {
-    int strLength; //if the inStr likes "1a2b...", no prefix "0x"
-    int i = 0;
-    if (inStr == NULL || byteLength == NULL || byteBuffer == NULL)
-        return -1;
-    strLength = strlen(inStr);
-    if (strLength % 2)
-        return -2;
-    for (i = 0; i < strLength; i++) {
-        if (!isxdigit(inStr[i]))
-            return -3;
-    }
-
-    if (*byteLength < strLength / 2)
-        return -4;
-
-    *byteLength = strLength / 2;
-
-    for (i = 0; i < *byteLength; i++) {
-        char tmpStr[4] = { 0 };
-        tmpStr[0] = inStr[i * 2];
-        tmpStr[1] = inStr[i * 2 + 1];
-        byteBuffer[i] = strtol(tmpStr, NULL, 16);
-    }
-    return 0;
-}
-
-void tpm2_util_hexdump(const BYTE *data, size_t len) {
-
-    if (!output_enabled) {
-        return;
-    }
-
-    size_t i;
-    for (i=0; i < len; i++) {
-        printf("%02x", data[i]);
-    }
-}
-
-bool tpm2_util_hexdump_file(FILE *fd, size_t len) {
-    BYTE* buff = (BYTE*)malloc(len);
-    if (!buff) {
-        LOG_ERR("malloc() failed");
-        return false;
-    }
-
-    bool res = files_read_bytes(fd, buff, len);
-    if (!res) {
-        LOG_ERR("Failed to read file");
-        free(buff);
-        return false;
-    }
-
-    tpm2_util_hexdump(buff, len);
-
-    free(buff);
-    return true;
-}
-
-bool tpm2_util_print_tpm2b_file(FILE *fd)
-{
-    UINT16 len;
-    bool res = files_read_16(fd, &len);
-    if(!res) {
-        LOG_ERR("File read failed");
-        return false;
-    }
-    return tpm2_util_hexdump_file(fd, len);
-}
-
-bool tpm2_util_is_big_endian(void) {
-
-    uint32_t test_word;
-    uint8_t *test_byte;
-
-    test_word = 0xFF000000;
-    test_byte = (uint8_t *) (&test_word);
-
-    return test_byte[0] == 0xFF;
-}
-
-#define STRING_BYTES_ENDIAN_CONVERT(size) \
-    UINT##size tpm2_util_endian_swap_##size(UINT##size data) { \
-    \
-        UINT##size converted; \
-        UINT8 *bytes = (UINT8 *)&data; \
-        UINT8 *tmp = (UINT8 *)&converted; \
-    \
-        size_t i; \
-        for(i=0; i < sizeof(UINT##size); i ++) { \
-            tmp[i] = bytes[sizeof(UINT##size) - i - 1]; \
-        } \
-        \
-        return converted; \
-    }
-
-STRING_BYTES_ENDIAN_CONVERT(16)
-STRING_BYTES_ENDIAN_CONVERT(32)
-STRING_BYTES_ENDIAN_CONVERT(64)
-
-#define STRING_BYTES_ENDIAN_HTON(size) \
-    UINT##size tpm2_util_hton_##size(UINT##size data) { \
-    \
-        bool is_big_endian = tpm2_util_is_big_endian(); \
-        if (is_big_endian) { \
-           return data; \
-        } \
-    \
-        return tpm2_util_endian_swap_##size(data); \
-    }
-
-STRING_BYTES_ENDIAN_HTON(16)
-STRING_BYTES_ENDIAN_HTON(32)
-STRING_BYTES_ENDIAN_HTON(64)
-
-/*
- * Converting from host-to-network (hton) or network-to-host (ntoh) is
- * the same operation: if endianess differs between host and data, swap
- * endianess. Thus we can just call the hton routines, but have some nice
- * names for folks.
- */
-UINT16 tpm2_util_ntoh_16(UINT16 data) {
-    return tpm2_util_hton_16(data);
-}
-
-UINT32 tpm2_util_ntoh_32(UINT32 data) {
-    return tpm2_util_hton_32(data);
-}
-UINT64 tpm2_util_ntoh_64(UINT64 data) {
-    return tpm2_util_hton_64(data);
-}
-
-UINT32 tpm2_util_pop_count(UINT32 data) {
-
-    static const UINT8 bits_per_nibble[] =
-        {0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4};
-
-    UINT8 count = 0;
-    UINT8 *d = (UINT8 *)&data;
-
-    size_t i;
-    for (i=0; i < sizeof(data); i++) {
-        count += bits_per_nibble[d[i] & 0x0f];
-        count += bits_per_nibble[d[i] >> 4];
-    }
-
-    return count;
-}
-
-#define TPM2_UTIL_KEYDATA_INIT { .len = 0 };
-
-typedef struct tpm2_util_keydata tpm2_util_keydata;
-struct tpm2_util_keydata {
-    UINT16 len;
-    struct {
-        const char *name;
-        TPM2B *value;
-    } entries[2];
-};
-
-static void tpm2_util_public_to_keydata(TPM2B_PUBLIC *public, tpm2_util_keydata *keydata) {
-
-    switch (public->publicArea.type) {
-    case TPM2_ALG_RSA:
-        keydata->len = 1;
-        keydata->entries[0].name = tpm2_alg_util_algtostr(public->publicArea.type);
-        keydata->entries[0].value = (TPM2B *)&public->publicArea.unique.rsa;
-        return;
-    case TPM2_ALG_KEYEDHASH:
-        keydata->len = 1;
-        keydata->entries[0].name = tpm2_alg_util_algtostr(public->publicArea.type);
-        keydata->entries[0].value = (TPM2B *)&public->publicArea.unique.keyedHash;
-        return;
-    case TPM2_ALG_SYMCIPHER:
-        keydata->len = 1;
-        keydata->entries[0].name = tpm2_alg_util_algtostr(public->publicArea.type);
-        keydata->entries[0].value = (TPM2B *)&public->publicArea.unique.sym;
-        return;
-    case TPM2_ALG_ECC:
-        keydata->len = 2;
-        keydata->entries[0].name = "x";
-        keydata->entries[0].value = (TPM2B *)&public->publicArea.unique.ecc.x;
-        keydata->entries[1].name = "y";
-        keydata->entries[1].value = (TPM2B *)&public->publicArea.unique.ecc.y;
-        return;
-    default:
-        LOG_WARN("The algorithm type(0x%4.4x) is not supported",
-                public->publicArea.type);
-    }
-
-    return;
-}
-
-void print_yaml_indent(size_t indent_count) {
-    while (indent_count--) {
-        tpm2_tool_output("  ");
-    }
-}
-
-void tpm2_util_tpma_object_to_yaml(TPMA_OBJECT obj) {
-
-    char *attrs = tpm2_attr_util_obj_attrtostr(obj);
-    tpm2_tool_output("attributes:\n");
-    tpm2_tool_output("  value: %s\n", attrs);
-    tpm2_tool_output("  raw: 0x%x\n", obj);
-    free(attrs);
-}
-
-void tpm2_util_public_to_yaml(TPM2B_PUBLIC *public) {
-
-    tpm2_tool_output("algorithm:\n");
-    tpm2_tool_output("  value: %s\n", tpm2_alg_util_algtostr(public->publicArea.nameAlg));
-    tpm2_tool_output("  raw: 0x%x\n", public->publicArea.nameAlg);
-
-    tpm2_util_tpma_object_to_yaml(public->publicArea.objectAttributes);
-
-    tpm2_tool_output("type: \n");
-    tpm2_tool_output("  value: %s\n", tpm2_alg_util_algtostr(public->publicArea.type));
-    tpm2_tool_output("  raw: 0x%x\n", public->publicArea.type);
-
-    tpm2_util_keydata keydata = TPM2_UTIL_KEYDATA_INIT;
-    tpm2_util_public_to_keydata(public, &keydata);
-
-    UINT16 i;
-    /* if no keydata len will be 0 and it wont print */
-    for (i=0; i < keydata.len; i++) {
-        tpm2_tool_output("  %s: ", keydata.entries[i].name);
-        tpm2_util_print_tpm2b(keydata.entries[i].value);
-        tpm2_tool_output("\n");
-    }
-
-    if (public->publicArea.authPolicy.size) {
-        tpm2_tool_output("authorization policy: ");
-        tpm2_util_hexdump(public->publicArea.authPolicy.buffer,
-                public->publicArea.authPolicy.size);
-        tpm2_tool_output("\n");
-    }
-}