diff options
Diffstat (limited to 'tests/tpm2_pcr_read.c')
| -rw-r--r-- | tests/tpm2_pcr_read.c | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/tests/tpm2_pcr_read.c b/tests/tpm2_pcr_read.c new file mode 100644 index 0000000..452066f --- /dev/null +++ b/tests/tpm2_pcr_read.c @@ -0,0 +1,288 @@ +#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; +} |