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/* SPDX-License-Identifier: BSD-3-Clause */
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <libtpms/tpm_library.h>
#include <libtpms/tpm_error.h>
#include <libtpms/tpm_memory.h>
static void dump_array(const char *h, const unsigned char *d, size_t dlen)
{
size_t i;
fprintf(stderr, "%s\n", h);
for (i = 0; i < dlen; i++) {
fprintf(stderr, "%02x ", d[i]);
if ((i & 0xf) == 0xf)
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
int main(void)
{
unsigned char *rbuffer = NULL;
uint32_t rlength;
uint32_t rtotal = 0;
TPM_RESULT res;
int ret = 1;
unsigned char *perm = NULL;
uint32_t permlen = 0;
unsigned char *vol = NULL;
uint32_t vollen = 0;
unsigned char startup[] = {
0x80, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
0x01, 0x44, 0x00, 0x00
};
unsigned char tpm2_pcr_read[] = {
0x80, 0x01, // TPM_ST_NO_SESSIONS
0x00, 0x00, 0x00, 0x26, // command size
0x00, 0x00, 0x01, 0x7e, // TPM_CC_PCR_Read
0x00, 0x00, 0x00, 0x04, // TPML_PCR_SELECTION
0x00, 0x04, // TPMI_ALG_HASH, SHA1=4
0x03, // size of the select
0x01, 0x00, 0x10, // pcrSelect
0x00, 0x0b, // TPMI_ALG_HASH, SHA256=11
0x03, // size of the select
0x01, 0x00, 0x10, // pcrSelect
0x00, 0x0c, // TPMI_ALG_HASH, SHA384=12
0x03, // size of the select
0x01, 0x00, 0x10, // pcrSelect
0x00, 0x0d, // TPMI_ALG_HASH, SHA512=13
0x03, // size of the select
0x01, 0x00, 0x10 // pcrSelect
};
const unsigned char tpm2_pcr_read_exp_resp[] = {
0x80, 0x01, 0x00, 0x00, 0x01, 0x86, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00,
0x00, 0x04, 0x00, 0x04, 0x03, 0x01, 0x00, 0x10,
0x00, 0x0b, 0x03, 0x01, 0x00, 0x10, 0x00, 0x0c,
0x03, 0x01, 0x00, 0x10, 0x00, 0x0d, 0x03, 0x01,
0x00, 0x10, 0x00, 0x00, 0x00, 0x08, 0x00, 0x14,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x30,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x30, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
res = TPMLIB_ChooseTPMVersion(TPMLIB_TPM_VERSION_2);
if (res) {
fprintf(stderr, "TPMLIB_ChooseTPMVersion() failed: 0x%02x\n", res);
goto exit;
}
res = TPMLIB_MainInit();
if (res) {
fprintf(stderr, "TPMLIB_MainInit() failed: 0x%02x\n", res);
goto exit;
}
res = TPMLIB_Process(&rbuffer, &rlength, &rtotal, startup, sizeof(startup));
if (res) {
fprintf(stderr, "TPMLIB_Process(Startup) failed: 0x%02x\n", res);
goto exit;
}
res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
tpm2_pcr_read, sizeof(tpm2_pcr_read));
if (res) {
fprintf(stderr, "TPMLIB_Process(TPM2_PCR_Read) failed: 0x%02x\n",
res);
goto exit;
}
if (rlength != sizeof(tpm2_pcr_read_exp_resp)) {
fprintf(stderr, "Expected response is %zu bytes, but got %u.\n",
sizeof(tpm2_pcr_read_exp_resp), rlength);
goto exit;
}
if (memcmp(rbuffer, tpm2_pcr_read_exp_resp, rlength)) {
fprintf(stderr, "Expected response is different than received one.\n");
dump_array("actual:", rbuffer, rlength);
dump_array("expected:", tpm2_pcr_read_exp_resp, sizeof(tpm2_pcr_read_exp_resp));
goto exit;
}
/* Extend PCR 10 with string '1234' */
unsigned char tpm2_pcr_extend[] = {
0x80, 0x02, 0x00, 0x00, 0x00, 0x41, 0x00, 0x00,
0x01, 0x82, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00,
0x00, 0x09, 0x40, 0x00, 0x00, 0x09, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
0x0b, 0x31, 0x32, 0x33, 0x34, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00
};
res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
tpm2_pcr_extend, sizeof(tpm2_pcr_extend));
if (res != TPM_SUCCESS) {
fprintf(stderr,
"TPMLIB_Process(TPM2_PCR_Extend) failed: 0x%02x\n", res);
goto exit;
}
/* Read value of PCR 10 */
unsigned char tpm2_pcr10_read[] = {
0x80, 0x01, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00,
0x01, 0x7e, 0x00, 0x00, 0x00, 0x01, 0x00, 0x0b,
0x03, 0x00, 0x04, 0x00
};
res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
tpm2_pcr10_read, sizeof(tpm2_pcr10_read));
if (res) {
fprintf(stderr, "TPMLIB_Process(PCR10 Read) failed: 0x%02x\n", res);
goto exit;
}
const unsigned char tpm2_pcr10_read_resp[] = {
0x80, 0x01, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00,
0x00, 0x01, 0x00, 0x0b, 0x03, 0x00, 0x04, 0x00,
0x00, 0x00, 0x00, 0x01, 0x00, 0x20, 0x1f, 0x7f,
0xb1, 0x00, 0xe1, 0xb2, 0xd1, 0x95, 0x19, 0x4b,
0x58, 0xe7, 0xc3, 0x09, 0xa5, 0x86, 0x30, 0x7c,
0x34, 0x64, 0x19, 0xdc, 0xb2, 0xd5, 0x9f, 0x52,
0x2b, 0xe7, 0xf0, 0x94, 0x51, 0x01
};
if (memcmp(tpm2_pcr10_read_resp, rbuffer, rlength)) {
fprintf(stderr, "TPM2_PCRRead(PCR10) did not return expected result\n");
dump_array("actual:", rbuffer, rlength);
dump_array("expected:", tpm2_pcr10_read_resp, sizeof(tpm2_pcr10_read_resp));
goto exit;
}
/* save permanent and volatile state */
res = TPMLIB_GetState(TPMLIB_STATE_PERMANENT, &perm, &permlen);
if (res) {
fprintf(stderr, "TPMLIB_GetState(PERMANENT) failed: 0x%02x\n", res);
goto exit;
}
res = TPMLIB_GetState(TPMLIB_STATE_VOLATILE, &vol, &vollen);
if (res) {
fprintf(stderr, "TPMLIB_GetState(VOLATILE) failed: 0x%02x\n", res);
goto exit;
}
/* terminate and resume where we left off */
TPMLIB_Terminate();
res = TPMLIB_SetState(TPMLIB_STATE_PERMANENT, perm, permlen);
if (res) {
fprintf(stderr, "TPMLIB_SetState(PERMANENT) failed: 0x%02x\n", res);
goto exit;
}
res = TPMLIB_SetState(TPMLIB_STATE_VOLATILE, vol, vollen);
if (res) {
fprintf(stderr, "TPMLIB_SetState(VOLATILE) failed: 0x%02x\n", res);
goto exit;
}
res = TPMLIB_MainInit();
if (res) {
fprintf(stderr, "TPMLIB_MainInit() after SetState failed: 0x%02x\n", res);
goto exit;
}
res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
tpm2_pcr10_read, sizeof(tpm2_pcr10_read));
if (res) {
fprintf(stderr,
"TPMLIB_Process(PCR10 Read) after SetState failedL 0x%02x\n",
res);
goto exit;
}
if (memcmp(tpm2_pcr10_read_resp, rbuffer, rlength)) {
fprintf(stderr,
"TPM2_PCRRead(PCR10) after SetState did not return expected "
"result\n");
goto exit;
}
unsigned char tpm2_shutdown[] = {
0x80, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
0x01, 0x45, 0x00, 0x00
};
res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
tpm2_shutdown, sizeof(tpm2_shutdown));
if (res) {
fprintf(stderr,
"TPMLIB_Process(Shutdown) after SetState failed: 0x%02x\n",
res);
goto exit;
}
unsigned char tpm2_shutdown_resp[] = {
0x80, 0x01, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00,
0x00, 0x00
};
if (memcmp(tpm2_shutdown_resp, rbuffer, rlength)) {
fprintf(stderr,
"TPM2_PCRRead(Shutdown) after SetState did not return expected "
"result\n");
goto exit;
}
ret = 0;
fprintf(stdout, "OK\n");
exit:
free(perm);
free(vol);
TPMLIB_Terminate();
TPM_Free(rbuffer);
return ret;
}
|
