uint32_t TPM_HashMSAComposite(TPM_MSA_COMPOSITE * comp,
unsigned char *digest)
{
uint32_t ret = 0;
struct tpm_buffer *buffer =
TSS_AllocTPMBuffer(comp->MSAlist * TPM_HASH_SIZE + TPM_U32_SIZE);
if (buffer) {
uint32_t len = TPM_WriteMSAComposite(buffer, comp);
TSS_sha1(buffer->buffer, len, digest);
TSS_FreeTPMBuffer(buffer);
} else
ret = ERR_MEM_ERR;
return ret;
}
int main(int argc, char *argv[])
{
unsigned char passhash1[20];
char * ownerpass = NULL;
char * filename = NULL;
int ret;
int verbose = FALSE;
TPM_MSA_COMPOSITE msaList = {0, NULL};
unsigned char migAuthDigest[TPM_DIGEST_SIZE];
unsigned char hmac[TPM_DIGEST_SIZE];
char * msa_list_filename = NULL;
int i = 1;
TPM_setlog(0);
while (i < argc) {
if (!strcmp("-pwdo",argv[i])) {
i++;
if (i < argc) {
ownerpass = argv[i];
} else {
printf("Missing parameter for -pwdo.\n");
usage();
exit(-1);
}
} else
if (!strcmp("-of",argv[i])) {
i++;
if (i < argc) {
filename = argv[i];
} else {
printf("Missing parameter for -of.\n");
usage();
exit(-1);
}
} else
if (!strcmp("-msa",argv[i])) {
i++;
if (i < argc) {
msa_list_filename = argv[i];
} else {
printf("Missing parameter for -msa.\n");
usage();
exit(-1);
}
} else
if (!strcmp("-ik",argv[i])) {
i++;
if (i < argc) {
if (0 != addKeyToMSAList(&msaList,argv[i])) {
exit(-1);
}
} else {
printf("Missing parameter for -ik.\n");
usage();
exit(-1);
}
} else
if (!strcmp("-v",argv[i])) {
verbose = TRUE;
TPM_setlog(1);
} else
if (!strcmp("-h",argv[i])) {
usage();
exit(-1);
} else {
printf("\n%s is not a valid option\n",argv[i]);
usage();
exit(-1);
}
i++;
}
(void)verbose;
if (NULL == ownerpass ||
msaList.MSAlist == 0 ||
NULL == filename) {
printf("Missing argument.\n");
usage();
exit(-1);
}
if (NULL != ownerpass) {
TSS_sha1(ownerpass,strlen(ownerpass),passhash1);
}
TPM_HashMSAComposite(&msaList, migAuthDigest);
ret = TPM_CMK_ApproveMA(migAuthDigest,
passhash1,
hmac);
if (0 != ret) {
printf("CMK_ApproveMA returned error '%s' (%d).\n",
TPM_GetErrMsg(ret),
ret);
} else {
FILE * f = fopen(filename, "wb+");
if (f != NULL) {
if (TPM_DIGEST_SIZE == fwrite(hmac, 1, TPM_DIGEST_SIZE, f) &&
TPM_DIGEST_SIZE == fwrite(migAuthDigest, 1, TPM_DIGEST_SIZE, f) ) {
printf("Successfully wrote HMAC and digest to %s.\n",
filename);
}
fclose(f);
} else {
printf("Could not open file %s for writing.\n",
filename);
}
}
if (NULL != msa_list_filename) {
struct tpm_buffer * buffer = TSS_AllocTPMBuffer(sizeof(msaList) + msaList.MSAlist * TPM_HASH_SIZE);
if (NULL != buffer) {
uint32_t len = TPM_WriteMSAComposite(buffer, &msaList);
FILE * f = fopen(msa_list_filename, "wb");
if (NULL != f) {
fwrite(buffer->buffer,len,1, f);
printf("Successfully wrote msa list to %s.\n",
msa_list_filename);
fclose(f);
} else {
printf("Could not open file %s for writing.\n",
msa_list_filename);
}
TSS_FreeTPMBuffer(buffer);
}
}
exit(ret);
}
