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-rw-r--r--tpm-util/import/main.c244
1 files changed, 244 insertions, 0 deletions
diff --git a/tpm-util/import/main.c b/tpm-util/import/main.c
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+/*
+ * Copyright 2018 Intel Corporation
+ *
+ * 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.
+ */
+//
+// main.c : Tool to import Openssl RSA key into TPM
+// Author: Arun Kumar Sekar
+//
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sapi/tpm20.h>
+
+#include "tpm_wrapper.h"
+#include "util.h"
+
+char* tpm_pwd = "";
+int tpm_pwd_len = 0;
+
+void PrintHelp();
+char version[] = "0.1";
+
+void PrintHelp()
+{
+ printf(
+ "OSSL key to tpm import tool, Version %s\nUsage:"
+ "./ossl_tpm_import "
+ "[-dupPub out_dupPubFile] [-dupPriv out_dupPrivFile] [-dupSymSeed out_dupSymSeedFile] [-dupEncKey out_dupEncKeyFile]"
+ "[-pub out_keyPub] [-priv out_KeyPriv]\n"
+ "\n"
+ , version);
+}
+
+int main(int argc, char* argv[])
+{
+ TPM_RC rval = 0;
+ int count=0;
+ TSS2_TCTI_CONTEXT *tcti_ctx = 0;
+ TSS2_SYS_CONTEXT *sysContext = 0;
+
+ // SW Key Duplicate O/P variables
+ char dupPub_Filename[256];
+ int dupPub_flag = 0;
+ char dupPriv_Filename[256];
+ int dupPriv_flag = 0;
+ char dupSymSeed_Filename[256];
+ int dupSymSeed_flag = 0;
+ char dupEncKey_Filename[256];
+ int dupEncKey_flag = 0;
+ TPM2B_DATA encryptionKey;
+ TPM2B_PUBLIC swKeyPublic;
+ TPM2B_PRIVATE swKeyPrivate;
+ TPM2B_ENCRYPTED_SECRET encSymSeed;
+
+ // SW Key Import O/P variables
+ char pub_Filename[256];
+ int pub_flag = 0;
+ char priv_Filename[256];
+ int priv_flag = 0;
+ unsigned short file_size = 0;
+
+ TPM_HANDLE primaryKeyHandle = 0;
+ int H_flag = 0;
+
+ TPM2B_PUBLIC parentKeyPublicPortion;
+ int pubKeysize = 0;
+
+ setbuf(stdout, NULL);
+ setvbuf (stdout, NULL, _IONBF, BUFSIZ);
+ if( (argc < 2) )
+ {
+ printf("Arguments count does not match \n");
+ PrintHelp();
+ return 1;
+ }
+ else
+ {
+ /* Get the argument values and evaluate it */
+ for( count = 1; count < argc; count++ )
+ {
+ if( 0 == strcmp( argv[count], "-dupPub" ) ) {
+ count++;
+ if( (1 != sscanf( argv[count], "%s", dupPub_Filename )) )
+ {
+ PrintHelp();
+ return 1;
+ }
+ dupPub_flag = 1;
+ }
+ else if( 0 == strcmp( argv[count], "-dupPriv" ) ) {
+ count++;
+ if( (1 != sscanf( argv[count], "%s", dupPriv_Filename )) )
+ {
+ PrintHelp();
+ return 1;
+ }
+ dupPriv_flag = 1;
+ }
+ else if( 0 == strcmp( argv[count], "-dupSymSeed" ) ) {
+ count++;
+ if( (1 != sscanf( argv[count], "%s", dupSymSeed_Filename )) )
+ {
+ PrintHelp();
+ return 1;
+ }
+ dupSymSeed_flag = 1;
+ }
+ else if( 0 == strcmp( argv[count], "-dupEncKey" ) ) {
+ count++;
+ if( (1 != sscanf( argv[count], "%s", dupEncKey_Filename )) )
+ {
+ PrintHelp();
+ return 1;
+ }
+ dupEncKey_flag = 1;
+ }
+ else if( 0 == strcmp( argv[count], "-pub" ) ) {
+ count++;
+ if( (1 != sscanf( argv[count], "%s", pub_Filename )) )
+ {
+ PrintHelp();
+ return 1;
+ }
+ pub_flag = 1;
+ }
+ else if( 0 == strcmp( argv[count], "-priv" ) ) {
+ count++;
+ if( (1 != sscanf( argv[count], "%s", priv_Filename )) )
+ {
+ PrintHelp();
+ return 1;
+ }
+ priv_flag = 1;
+ }
+ else if( 0 == strcmp( argv[count], "-H" ) ) {
+ count++;
+ primaryKeyHandle = strtoul(argv[count], NULL, 16);
+ printf("Primary Key handle Given: 0x%x \n", primaryKeyHandle);
+ H_flag = 1;
+ }
+ else if( 0 == strcmp( argv[count], "--help" ) ) {
+ PrintHelp();
+ exit(1);
+ }
+ else {
+ PrintHelp();
+ exit(1);
+ }
+ }
+ }
+
+ if((!H_flag)) {
+ printf("Parent handle should be passed for TPM import operation \n");
+ return -1;
+ }
+
+ // For TPM Import functionality, check all input params are present
+ if( (!dupPub_flag) ||
+ (!dupPriv_flag) ||
+ (!dupSymSeed_flag) ||
+ (!dupEncKey_flag) ||
+ (!pub_flag) ||
+ (!priv_flag)
+ ) {
+ printf("Error: One or more Inputs for TPM import functionality is missing ! \n");
+ return -1;
+ }
+
+ /* SW Key TPM Import operation started */
+ if(rval == 0) {
+ file_size = sizeof(TPM2B_PUBLIC);
+ rval = loadDataFromFile(dupPub_Filename, (UINT8 *) &swKeyPublic, &file_size);
+ if ( rval == 0 ) {
+ file_size = sizeof(TPM2B_PRIVATE);
+ rval = loadDataFromFile(dupPriv_Filename, (UINT8 *) &swKeyPrivate, &file_size);
+ }
+ if ( rval == 0 ) {
+ file_size = sizeof(TPM2B_ENCRYPTED_SECRET);
+ rval = loadDataFromFile(dupSymSeed_Filename, (UINT8 *) &encSymSeed, &file_size);
+ }
+ if ( rval == 0 ) {
+ file_size = sizeof(TPM2B_DATA);
+ rval = loadDataFromFile(dupEncKey_Filename, (UINT8 *) &encryptionKey, &file_size);
+ }
+
+ if ( rval == 0 ) {
+ /* Initialize TCTI and sapi context */
+ tcti_ctx = tpm_tcti_tabrmd_init();
+ if(tcti_ctx == NULL) {
+ printf("Creation of TCTI context with TABRMD failed ! \n");
+ goto end;
+ }
+
+ sysContext = sys_ctx_init(tcti_ctx);
+ if(sysContext == NULL) {
+ printf("Creation of SAPI context with TABRMD failed ! \n");
+ goto end;
+ }
+ printf("\nInitializing TPM context success: 0x%x ! \n", rval);
+ }
+
+ TPM2B_PRIVATE importPrivate;
+ INIT_SIMPLE_TPM2B_SIZE(importPrivate);
+ rval = swKeyTpmImport(sysContext, primaryKeyHandle,
+ &encryptionKey, &swKeyPublic, &swKeyPrivate, &encSymSeed,
+ tpm_pwd, tpm_pwd_len,
+ &importPrivate);
+ if(rval != 0) {
+ printf("\nswKeyTpmImport failed: 0x%x ! \n", rval);
+ goto end;
+ }
+ else {
+ printf("\nswKeyImport success: 0x%x ! \n", rval);
+ saveDataToFile(pub_Filename, (UINT8 *) &swKeyPublic, sizeof(TPM2B_PUBLIC));
+ saveDataToFile(priv_Filename, (UINT8 *) &importPrivate, sizeof(TPM2B_PRIVATE));
+ printf("\nOutput files are written successfully ! \n");
+ }
+ }
+
+end:
+ if(sysContext) {
+ TeardownSysContext(&sysContext);
+ }
+ if(tcti_ctx) {
+ TeardownTctiContext(tcti_ctx);
+ }
+
+ return rval;
+}
+