| 1 | #include <stdio.h>
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| 2 | #include <string.h>
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| 3 | #include <assert.h>
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| 4 | #include <stdlib.h>
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| 5 |
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| 6 | #include <libtpms/tpm_library.h>
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| 7 | #include <libtpms/tpm_error.h>
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| 8 | #include <libtpms/tpm_memory.h>
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| 9 |
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| 10 | static void dump_array(const char *h, const unsigned char *d, size_t dlen)
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| 11 | {
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| 12 | size_t i;
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| 13 |
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| 14 | fprintf(stderr, "%s\n", h);
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| 15 | for (i = 0; i < dlen; i++) {
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| 16 | fprintf(stderr, "%02x ", d[i]);
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| 17 | if ((i & 0xf) == 0xf)
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| 18 | fprintf(stderr, "\n");
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| 19 | }
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| 20 | fprintf(stderr, "\n");
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| 21 | }
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| 22 |
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| 23 | int main(void)
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| 24 | {
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| 25 | unsigned char *rbuffer = NULL;
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| 26 | uint32_t rlength;
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| 27 | uint32_t rtotal = 0;
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| 28 | TPM_RESULT res;
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| 29 | int ret = 1;
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| 30 | unsigned char *perm = NULL;
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| 31 | uint32_t permlen = 0;
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| 32 | unsigned char *vol = NULL;
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| 33 | uint32_t vollen = 0;
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| 34 | unsigned char startup[] = {
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| 35 | 0x80, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
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| 36 | 0x01, 0x44, 0x00, 0x00
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| 37 | };
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| 38 |
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| 39 | unsigned char tpm2_pcr_read[] = {
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| 40 | 0x80, 0x01, // TPM_ST_NO_SESSIONS
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| 41 | 0x00, 0x00, 0x00, 0x26, // command size
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| 42 | 0x00, 0x00, 0x01, 0x7e, // TPM_CC_PCR_Read
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| 43 | 0x00, 0x00, 0x00, 0x04, // TPML_PCR_SELECTION
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| 44 | 0x00, 0x04, // TPMI_ALG_HASH, SHA1=4
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| 45 | 0x03, // size of the select
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| 46 | 0x01, 0x00, 0x10, // pcrSelect
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| 47 | 0x00, 0x0b, // TPMI_ALG_HASH, SHA256=11
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| 48 | 0x03, // size of the select
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| 49 | 0x01, 0x00, 0x10, // pcrSelect
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| 50 | 0x00, 0x0c, // TPMI_ALG_HASH, SHA384=12
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| 51 | 0x03, // size of the select
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| 52 | 0x01, 0x00, 0x10, // pcrSelect
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| 53 | 0x00, 0x0d, // TPMI_ALG_HASH, SHA512=13
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| 54 | 0x03, // size of the select
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| 55 | 0x01, 0x00, 0x10 // pcrSelect
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| 56 | };
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| 57 | const unsigned char tpm2_pcr_read_exp_resp[] = {
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| 58 | 0x80, 0x01, 0x00, 0x00, 0x01, 0x86, 0x00, 0x00,
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| 59 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00,
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| 60 | 0x00, 0x04, 0x00, 0x04, 0x03, 0x01, 0x00, 0x10,
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| 61 | 0x00, 0x0b, 0x03, 0x01, 0x00, 0x10, 0x00, 0x0c,
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| 62 | 0x03, 0x01, 0x00, 0x10, 0x00, 0x0d, 0x03, 0x01,
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| 63 | 0x00, 0x10, 0x00, 0x00, 0x00, 0x08, 0x00, 0x14,
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| 64 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 65 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 66 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0xff, 0xff,
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| 67 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 68 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 69 | 0xff, 0xff, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
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| 70 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 71 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 72 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 73 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xff, 0xff,
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| 74 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 75 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 76 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 77 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x30,
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| 78 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 79 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 80 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 81 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 82 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 83 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 84 | 0x00, 0x30, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 85 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 86 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 87 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 88 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 89 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 90 | 0xff, 0xff, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
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| 91 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 92 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 93 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 94 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 95 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 96 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 97 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 98 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0xff, 0xff,
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| 99 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 100 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 101 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 102 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 103 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 104 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 105 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 106 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
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| 107 | };
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| 108 |
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| 109 | res = TPMLIB_ChooseTPMVersion(TPMLIB_TPM_VERSION_2);
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| 110 | if (res) {
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| 111 | fprintf(stderr, "TPMLIB_ChooseTPMVersion() failed: 0x%02x\n", res);
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| 112 | goto exit;
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| 113 | }
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| 114 |
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| 115 | res = TPMLIB_MainInit();
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| 116 | if (res) {
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| 117 | fprintf(stderr, "TPMLIB_MainInit() failed: 0x%02x\n", res);
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| 118 | goto exit;
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| 119 | }
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| 120 |
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| 121 | res = TPMLIB_Process(&rbuffer, &rlength, &rtotal, startup, sizeof(startup));
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| 122 | if (res) {
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| 123 | fprintf(stderr, "TPMLIB_Process(Startup) failed: 0x%02x\n", res);
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| 124 | goto exit;
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| 125 | }
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| 126 |
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| 127 | res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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| 128 | tpm2_pcr_read, sizeof(tpm2_pcr_read));
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| 129 | if (res) {
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| 130 | fprintf(stderr, "TPMLIB_Process(TPM2_PCR_Read) failed: 0x%02x\n",
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| 131 | res);
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| 132 | goto exit;
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| 133 | }
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| 134 |
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| 135 | if (rlength != sizeof(tpm2_pcr_read_exp_resp)) {
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| 136 | fprintf(stderr, "Expected response is %zu bytes, but got %u.\n",
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| 137 | sizeof(tpm2_pcr_read_exp_resp), rlength);
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| 138 | goto exit;
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| 139 | }
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| 140 |
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| 141 | if (memcmp(rbuffer, tpm2_pcr_read_exp_resp, rlength)) {
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| 142 | fprintf(stderr, "Expected response is different than received one.\n");
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| 143 | dump_array("actual:", rbuffer, rlength);
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| 144 | dump_array("expected:", tpm2_pcr_read_exp_resp, sizeof(tpm2_pcr_read_exp_resp));
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| 145 | goto exit;
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| 146 | }
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| 147 |
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| 148 | /* Extend PCR 10 with string '1234' */
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| 149 | unsigned char tpm2_pcr_extend[] = {
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| 150 | 0x80, 0x02, 0x00, 0x00, 0x00, 0x41, 0x00, 0x00,
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| 151 | 0x01, 0x82, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00,
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| 152 | 0x00, 0x09, 0x40, 0x00, 0x00, 0x09, 0x00, 0x00,
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| 153 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
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| 154 | 0x0b, 0x31, 0x32, 0x33, 0x34, 0x00, 0x00, 0x00,
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| 155 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 156 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 157 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 158 | 0x00
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| 159 | };
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| 160 |
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| 161 | res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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| 162 | tpm2_pcr_extend, sizeof(tpm2_pcr_extend));
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| 163 | if (res != TPM_SUCCESS) {
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| 164 | fprintf(stderr,
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| 165 | "TPMLIB_Process(TPM2_PCR_Extend) failed: 0x%02x\n", res);
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| 166 | goto exit;
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| 167 | }
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| 168 |
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| 169 | /* Read value of PCR 10 */
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| 170 | unsigned char tpm2_pcr10_read[] = {
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| 171 | 0x80, 0x01, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00,
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| 172 | 0x01, 0x7e, 0x00, 0x00, 0x00, 0x01, 0x00, 0x0b,
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| 173 | 0x03, 0x00, 0x04, 0x00
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| 174 | };
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| 175 |
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| 176 | res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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| 177 | tpm2_pcr10_read, sizeof(tpm2_pcr10_read));
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| 178 | if (res) {
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| 179 | fprintf(stderr, "TPMLIB_Process(PCR10 Read) failed: 0x%02x\n", res);
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| 180 | goto exit;
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| 181 | }
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| 182 |
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| 183 | const unsigned char tpm2_pcr10_read_resp[] = {
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| 184 | 0x80, 0x01, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00,
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| 185 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00,
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| 186 | 0x00, 0x01, 0x00, 0x0b, 0x03, 0x00, 0x04, 0x00,
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| 187 | 0x00, 0x00, 0x00, 0x01, 0x00, 0x20, 0x1f, 0x7f,
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| 188 | 0xb1, 0x00, 0xe1, 0xb2, 0xd1, 0x95, 0x19, 0x4b,
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| 189 | 0x58, 0xe7, 0xc3, 0x09, 0xa5, 0x86, 0x30, 0x7c,
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| 190 | 0x34, 0x64, 0x19, 0xdc, 0xb2, 0xd5, 0x9f, 0x52,
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| 191 | 0x2b, 0xe7, 0xf0, 0x94, 0x51, 0x01
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| 192 | };
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| 193 |
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| 194 | if (memcmp(tpm2_pcr10_read_resp, rbuffer, rlength)) {
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| 195 | fprintf(stderr, "TPM2_PCRRead(PCR10) did not return expected result\n");
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| 196 | dump_array("actual:", rbuffer, rlength);
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| 197 | dump_array("expected:", tpm2_pcr10_read_resp, sizeof(tpm2_pcr10_read_resp));
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| 198 | goto exit;
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| 199 | }
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| 200 |
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| 201 | /* save permanent and volatile state */
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| 202 | res = TPMLIB_GetState(TPMLIB_STATE_PERMANENT, &perm, &permlen);
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| 203 | if (res) {
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| 204 | fprintf(stderr, "TPMLIB_GetState(PERMANENT) failed: 0x%02x\n", res);
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| 205 | goto exit;
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| 206 | }
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| 207 |
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| 208 | res = TPMLIB_GetState(TPMLIB_STATE_VOLATILE, &vol, &vollen);
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| 209 | if (res) {
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| 210 | fprintf(stderr, "TPMLIB_GetState(VOLATILE) failed: 0x%02x\n", res);
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| 211 | goto exit;
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| 212 | }
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| 213 |
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| 214 | /* terminate and resume where we left off */
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| 215 | TPMLIB_Terminate();
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| 216 |
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| 217 | res = TPMLIB_SetState(TPMLIB_STATE_PERMANENT, perm, permlen);
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| 218 | if (res) {
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| 219 | fprintf(stderr, "TPMLIB_SetState(PERMANENT) failed: 0x%02x\n", res);
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| 220 | goto exit;
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| 221 | }
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| 222 |
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| 223 | res = TPMLIB_SetState(TPMLIB_STATE_VOLATILE, vol, vollen);
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| 224 | if (res) {
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| 225 | fprintf(stderr, "TPMLIB_SetState(VOLATILE) failed: 0x%02x\n", res);
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| 226 | goto exit;
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| 227 | }
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| 228 |
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| 229 | res = TPMLIB_MainInit();
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| 230 | if (res) {
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| 231 | fprintf(stderr, "TPMLIB_MainInit() after SetState failed: 0x%02x\n", res);
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| 232 | goto exit;
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| 233 | }
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| 234 |
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| 235 | res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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| 236 | tpm2_pcr10_read, sizeof(tpm2_pcr10_read));
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| 237 | if (res) {
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| 238 | fprintf(stderr,
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| 239 | "TPMLIB_Process(PCR10 Read) after SetState failedL 0x%02x\n",
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| 240 | res);
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| 241 | goto exit;
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| 242 | }
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| 243 |
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| 244 | if (memcmp(tpm2_pcr10_read_resp, rbuffer, rlength)) {
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| 245 | fprintf(stderr,
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| 246 | "TPM2_PCRRead(PCR10) after SetState did not return expected "
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| 247 | "result\n");
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| 248 | goto exit;
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| 249 | }
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| 250 |
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| 251 | unsigned char tpm2_shutdown[] = {
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| 252 | 0x80, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
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| 253 | 0x01, 0x45, 0x00, 0x00
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| 254 | };
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| 255 |
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| 256 | res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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| 257 | tpm2_shutdown, sizeof(tpm2_shutdown));
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| 258 | if (res) {
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| 259 | fprintf(stderr,
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| 260 | "TPMLIB_Process(Shutdown) after SetState failed: 0x%02x\n",
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| 261 | res);
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| 262 | goto exit;
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| 263 | }
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| 264 |
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| 265 | unsigned char tpm2_shutdown_resp[] = {
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| 266 | 0x80, 0x01, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00,
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| 267 | 0x00, 0x00
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| 268 | };
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| 269 |
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| 270 | if (memcmp(tpm2_shutdown_resp, rbuffer, rlength)) {
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| 271 | fprintf(stderr,
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| 272 | "TPM2_PCRRead(Shutdown) after SetState did not return expected "
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| 273 | "result\n");
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| 274 | goto exit;
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| 275 | }
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| 276 |
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| 277 | ret = 0;
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| 278 |
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| 279 | fprintf(stdout, "OK\n");
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| 280 |
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| 281 | exit:
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| 282 | free(perm);
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| 283 | free(vol);
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| 284 | TPMLIB_Terminate();
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| 285 | TPM_Free(rbuffer);
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| 286 |
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| 287 | return ret;
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| 288 | }
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