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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 "tpm_wrapper.h"
#include "util.h"
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] [-password keyPassword] "
"[-pub out_keyPub] [-priv out_KeyPriv] [-H primaryKeyHandle]\n"
"\n"
, version);
}
int main(int argc, char* argv[])
{
TPM2_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;
char keyPassword[256] = {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;
TPM2_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], "-password" ) ) {
count++;
// Read no more than a fixed length of characters
if ( (1 != sscanf(argv[count], "%255s", keyPassword )) )
{
PrintHelp();
return 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 = tpm2_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,
keyPassword, strlen(keyPassword),
&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;
}
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