diff options
Diffstat (limited to 'src/test/test-tpm2.c')
| -rw-r--r-- | src/test/test-tpm2.c | 1324 |
1 files changed, 1324 insertions, 0 deletions
diff --git a/src/test/test-tpm2.c b/src/test/test-tpm2.c new file mode 100644 index 0000000..e3c7da8 --- /dev/null +++ b/src/test/test-tpm2.c @@ -0,0 +1,1324 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "hexdecoct.h" +#include "macro.h" +#include "tests.h" +#include "tpm2-util.h" +#include "virt.h" + +TEST(tpm2_pcr_index_from_string) { + assert_se(tpm2_pcr_index_from_string("platform-code") == 0); + assert_se(tpm2_pcr_index_from_string("0") == 0); + assert_se(tpm2_pcr_index_from_string("platform-config") == 1); + assert_se(tpm2_pcr_index_from_string("1") == 1); + assert_se(tpm2_pcr_index_from_string("external-code") == 2); + assert_se(tpm2_pcr_index_from_string("2") == 2); + assert_se(tpm2_pcr_index_from_string("external-config") == 3); + assert_se(tpm2_pcr_index_from_string("3") == 3); + assert_se(tpm2_pcr_index_from_string("boot-loader-code") == 4); + assert_se(tpm2_pcr_index_from_string("4") == 4); + assert_se(tpm2_pcr_index_from_string("boot-loader-config") == 5); + assert_se(tpm2_pcr_index_from_string("5") == 5); + assert_se(tpm2_pcr_index_from_string("secure-boot-policy") == 7); + assert_se(tpm2_pcr_index_from_string("7") == 7); + assert_se(tpm2_pcr_index_from_string("kernel-initrd") == 9); + assert_se(tpm2_pcr_index_from_string("9") == 9); + assert_se(tpm2_pcr_index_from_string("ima") == 10); + assert_se(tpm2_pcr_index_from_string("10") == 10); + assert_se(tpm2_pcr_index_from_string("kernel-boot") == 11); + assert_se(tpm2_pcr_index_from_string("11") == 11); + assert_se(tpm2_pcr_index_from_string("kernel-config") == 12); + assert_se(tpm2_pcr_index_from_string("12") == 12); + assert_se(tpm2_pcr_index_from_string("sysexts") == 13); + assert_se(tpm2_pcr_index_from_string("13") == 13); + assert_se(tpm2_pcr_index_from_string("shim-policy") == 14); + assert_se(tpm2_pcr_index_from_string("14") == 14); + assert_se(tpm2_pcr_index_from_string("system-identity") == 15); + assert_se(tpm2_pcr_index_from_string("15") == 15); + assert_se(tpm2_pcr_index_from_string("debug") == 16); + assert_se(tpm2_pcr_index_from_string("16") == 16); + assert_se(tpm2_pcr_index_from_string("application-support") == 23); + assert_se(tpm2_pcr_index_from_string("23") == 23); + assert_se(tpm2_pcr_index_from_string("hello") == -EINVAL); + assert_se(tpm2_pcr_index_from_string("8") == 8); + assert_se(tpm2_pcr_index_from_string("44") == -EINVAL); + assert_se(tpm2_pcr_index_from_string("-5") == -EINVAL); + assert_se(tpm2_pcr_index_from_string("24") == -EINVAL); +} + +TEST(tpm2_util_pbkdf2_hmac_sha256) { + + /* + * The test vectors from RFC 6070 [1] are for dkLen of 20 as it's SHA1 + * other RFCs I bumped into had various differing dkLen and iter counts, + * so this was generated using Python's hmacmodule. + * + * 1. https://www.rfc-editor.org/rfc/rfc6070.html#page-2 + */ + static const struct { + const uint8_t pass[256]; + size_t passlen; + const uint8_t salt[256]; + size_t saltlen; + uint8_t expected[SHA256_DIGEST_SIZE]; + } test_vectors[] = { + { .pass={'f', 'o', 'o', 'p', 'a', 's', 's'}, .passlen=7, .salt={'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5'}, .saltlen=16, .expected={0xCB, 0xEA, 0x27, 0x23, 0x9A, 0x65, 0x99, 0xF6, 0x8C, 0x26, 0x54, 0x80, 0x5C, 0x63, 0x61, 0xD2, 0x91, 0x0A, 0x60, 0x3F, 0xC2, 0xF5, 0xF0, 0xAB, 0x55, 0x8B, 0x46, 0x07, 0x60, 0x93, 0xAB, 0xCB} }, + { .pass={'f', 'o', 'o', 'p', 'a', 's', 's'}, .passlen=7, .salt={0x00, 'h', 'f', 's', 'd', 'j', 'h', 'f', 'd', 'j', 'h', 'j', 'd', 'f', 's'}, .saltlen=15, .expected={0x2B, 0xDF, 0x52, 0x29, 0x48, 0x3F, 0x98, 0x25, 0x01, 0x19, 0xB4, 0x42, 0xBC, 0xA7, 0x38, 0x5D, 0xCD, 0x08, 0xBD, 0xDC, 0x33, 0xBF, 0x32, 0x5E, 0x31, 0x87, 0x54, 0xFF, 0x2C, 0x23, 0x68, 0xFF} }, + { .pass={'f', 'o', 'o', 'p', 'a', 's', 's'}, .passlen=7, .salt={'m', 'y', 's', 'a', 0x00, 'l', 't'}, .saltlen=7, .expected={0x7C, 0x24, 0xB4, 0x4D, 0x30, 0x11, 0x53, 0x24, 0x87, 0x56, 0x24, 0x10, 0xBA, 0x9F, 0xF2, 0x4E, 0xBB, 0xF5, 0x03, 0x56, 0x2B, 0xB1, 0xA1, 0x92, 0x8B, 0x5F, 0x32, 0x02, 0x23, 0x1F, 0x79, 0xE6} }, + { .pass={'p', 'a', 's', 's', 'w', 'i', 't', 'h', 'n', 'u', 'l', 'l', 0x00, 'p', 'a', 's', 's', 'w', 'o', 'r', 'd'}, .passlen=21, .salt={'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5'}, .saltlen=16, .expected={0xE9, 0x53, 0xB7, 0x1D, 0xAB, 0xD1, 0xC1, 0xF3, 0xC4, 0x7F, 0x18, 0x96, 0xDD, 0xD7, 0x6B, 0xC6, 0x6A, 0xBD, 0xFB, 0x12, 0x7C, 0xF8, 0x68, 0xDC, 0x6E, 0xEF, 0x29, 0xCC, 0x1B, 0x30, 0x5B, 0x74} }, + { .pass={'p', 'a', 's', 's', 'w', 'i', 't', 'h', 'n', 'u', 'l', 'l', 0x00, 'p', 'a', 's', 's', 'w', 'o', 'r', 'd'}, .passlen=21, .salt={0x00, 'h', 'f', 's', 'd', 'j', 'h', 'f', 'd', 'j', 'h', 'j', 'd', 'f', 's'}, .saltlen=15, .expected={0x51, 0xA3, 0x82, 0xA5, 0x2F, 0x48, 0x84, 0xB3, 0x02, 0x0D, 0xC2, 0x42, 0x9A, 0x8F, 0x86, 0xCC, 0x66, 0xFD, 0x65, 0x87, 0x89, 0x07, 0x2B, 0x07, 0x82, 0x42, 0xD6, 0x6D, 0x43, 0xB8, 0xFD, 0xCF} }, + { .pass={'p', 'a', 's', 's', 'w', 'i', 't', 'h', 'n', 'u', 'l', 'l', 0x00, 'p', 'a', 's', 's', 'w', 'o', 'r', 'd'}, .passlen=21, .salt={'m', 'y', 's', 'a', 0x00, 'l', 't'}, .saltlen=7, .expected={0xEC, 0xFB, 0x5D, 0x5F, 0xF6, 0xA6, 0xE0, 0x79, 0x50, 0x64, 0x36, 0x64, 0xA3, 0x9A, 0x5C, 0xF3, 0x7A, 0x87, 0x0B, 0x64, 0x51, 0x59, 0x75, 0x64, 0x8B, 0x78, 0x2B, 0x62, 0x8F, 0x68, 0xD9, 0xCC} }, + { .pass={0x00, 'p', 'a', 's', 's'}, .passlen=5, .salt={'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5'}, .saltlen=16, .expected={0x8A, 0x9A, 0x47, 0x9A, 0x91, 0x22, 0x2F, 0x56, 0x29, 0x4F, 0x26, 0x00, 0xE7, 0xB3, 0xEB, 0x63, 0x6D, 0x51, 0xF2, 0x60, 0x17, 0x08, 0x20, 0x70, 0x82, 0x8F, 0xA3, 0xD7, 0xBE, 0x2B, 0xD5, 0x5D} }, + { .pass={0x00, 'p', 'a', 's', 's'}, .passlen=5, .salt={0x00, 'h', 'f', 's', 'd', 'j', 'h', 'f', 'd', 'j', 'h', 'j', 'd', 'f', 's'}, .saltlen=15, .expected={0x72, 0x3A, 0xF5, 0xF7, 0xCD, 0x6C, 0x12, 0xDD, 0x53, 0x28, 0x46, 0x0C, 0x19, 0x0E, 0xF2, 0x91, 0xDE, 0xEA, 0xF9, 0x6F, 0x74, 0x32, 0x34, 0x3F, 0x84, 0xED, 0x8D, 0x2A, 0xDE, 0xC9, 0xC6, 0x34} }, + { .pass={0x00, 'p', 'a', 's', 's'}, .passlen=5, .salt={'m', 'y', 's', 'a', 0x00, 'l', 't'}, .saltlen=7, .expected={0xE3, 0x07, 0x12, 0xBE, 0xEE, 0xF5, 0x5D, 0x18, 0x72, 0xF4, 0xCF, 0xF1, 0x20, 0x6B, 0xD6, 0x66, 0xCD, 0x7C, 0xE7, 0x4F, 0xC2, 0x16, 0x70, 0x5B, 0x9B, 0x2F, 0x7D, 0xE2, 0x3B, 0x42, 0x3A, 0x1B} }, + }; + + uint8_t res[SHA256_DIGEST_SIZE]; + for(size_t i = 0; i < sizeof(test_vectors)/sizeof(test_vectors[0]); i++) { + + int rc = tpm2_util_pbkdf2_hmac_sha256( + test_vectors[i].pass, + test_vectors[i].passlen, + test_vectors[i].salt, + test_vectors[i].saltlen, + res); + assert_se(rc == 0); + assert_se(memcmp(test_vectors[i].expected, res, SHA256_DIGEST_SIZE) == 0); + } +} + +#if HAVE_TPM2 + +#define POISON(type) \ + ({ \ + type _p; \ + memset(&_p, 0xaa, sizeof(_p)); \ + _p; \ + }) +#define POISON_TPML POISON(TPML_PCR_SELECTION) +#define POISON_TPMS POISON(TPMS_PCR_SELECTION) +#define POISON_U32 POISON(uint32_t) + +static void assert_tpms_pcr_selection_eq(TPMS_PCR_SELECTION *a, TPMS_PCR_SELECTION *b) { + assert_se(a); + assert_se(b); + + assert_se(a->hash == b->hash); + assert_se(a->sizeofSelect == b->sizeofSelect); + + for (size_t i = 0; i < a->sizeofSelect; i++) + assert_se(a->pcrSelect[i] == b->pcrSelect[i]); +} + +static void assert_tpml_pcr_selection_eq(TPML_PCR_SELECTION *a, TPML_PCR_SELECTION *b) { + assert_se(a); + assert_se(b); + + assert_se(a->count == b->count); + for (size_t i = 0; i < a->count; i++) + assert_tpms_pcr_selection_eq(&a->pcrSelections[i], &b->pcrSelections[i]); +} + +static void verify_tpms_pcr_selection(TPMS_PCR_SELECTION *s, uint32_t mask, TPMI_ALG_HASH hash) { + assert_se(s->hash == hash); + assert_se(s->sizeofSelect == 3); + assert_se(s->pcrSelect[0] == (mask & 0xff)); + assert_se(s->pcrSelect[1] == ((mask >> 8) & 0xff)); + assert_se(s->pcrSelect[2] == ((mask >> 16) & 0xff)); + assert_se(s->pcrSelect[3] == 0); + + assert_se(tpm2_tpms_pcr_selection_to_mask(s) == mask); +} + +static void verify_tpml_pcr_selection(TPML_PCR_SELECTION *l, TPMS_PCR_SELECTION s[], size_t count) { + assert_se(l->count == count); + for (size_t i = 0; i < count; i++) { + assert_tpms_pcr_selection_eq(&s[i], &l->pcrSelections[i]); + + TPMI_ALG_HASH hash = l->pcrSelections[i].hash; + verify_tpms_pcr_selection(&l->pcrSelections[i], tpm2_tpml_pcr_selection_to_mask(l, hash), hash); + } +} + +static void _test_pcr_selection_mask_hash(uint32_t mask, TPMI_ALG_HASH hash) { + TPMS_PCR_SELECTION s = POISON_TPMS; + tpm2_tpms_pcr_selection_from_mask(mask, hash, &s); + verify_tpms_pcr_selection(&s, mask, hash); + + TPML_PCR_SELECTION l = POISON_TPML; + tpm2_tpml_pcr_selection_from_mask(mask, hash, &l); + verify_tpml_pcr_selection(&l, &s, 1); + verify_tpms_pcr_selection(&l.pcrSelections[0], mask, hash); + + uint32_t test_masks[] = { + 0x0, 0x1, 0x100, 0x10000, 0xf0f0f0, 0xaaaaaa, 0xffffff, + }; + for (unsigned i = 0; i < ELEMENTSOF(test_masks); i++) { + uint32_t test_mask = test_masks[i]; + + TPMS_PCR_SELECTION a = POISON_TPMS, b = POISON_TPMS, test_s = POISON_TPMS; + tpm2_tpms_pcr_selection_from_mask(test_mask, hash, &test_s); + + a = s; + b = test_s; + tpm2_tpms_pcr_selection_add(&a, &b); + verify_tpms_pcr_selection(&a, UPDATE_FLAG(mask, test_mask, true), hash); + verify_tpms_pcr_selection(&b, test_mask, hash); + + a = s; + b = test_s; + tpm2_tpms_pcr_selection_sub(&a, &b); + verify_tpms_pcr_selection(&a, UPDATE_FLAG(mask, test_mask, false), hash); + verify_tpms_pcr_selection(&b, test_mask, hash); + + a = s; + b = test_s; + tpm2_tpms_pcr_selection_move(&a, &b); + verify_tpms_pcr_selection(&a, UPDATE_FLAG(mask, test_mask, true), hash); + verify_tpms_pcr_selection(&b, 0, hash); + } +} + +TEST(tpms_pcr_selection_mask_and_hash) { + TPMI_ALG_HASH HASH_ALGS[] = { TPM2_ALG_SHA1, TPM2_ALG_SHA256, }; + + for (unsigned i = 0; i < ELEMENTSOF(HASH_ALGS); i++) + for (uint32_t m2 = 0; m2 <= 0xffffff; m2 += 0x50000) + for (uint32_t m1 = 0; m1 <= 0xffff; m1 += 0x500) + for (uint32_t m0 = 0; m0 <= 0xff; m0 += 0x5) + _test_pcr_selection_mask_hash(m0 | m1 | m2, HASH_ALGS[i]); +} + +static void _test_tpms_sw( + TPMI_ALG_HASH hash, + uint32_t mask, + const char *expected_str, + size_t expected_weight) { + + TPMS_PCR_SELECTION s = POISON_TPMS; + tpm2_tpms_pcr_selection_from_mask(mask, hash, &s); + + _cleanup_free_ char *tpms_str = tpm2_tpms_pcr_selection_to_string(&s); + assert_se(streq(tpms_str, expected_str)); + + assert_se(tpm2_tpms_pcr_selection_weight(&s) == expected_weight); + assert_se(tpm2_tpms_pcr_selection_is_empty(&s) == (expected_weight == 0)); +} + +TEST(tpms_pcr_selection_string_and_weight) { + TPMI_ALG_HASH sha1 = TPM2_ALG_SHA1, sha256 = TPM2_ALG_SHA256; + + _test_tpms_sw(sha1, 0, "sha1()", 0); + _test_tpms_sw(sha1, 1, "sha1(0)", 1); + _test_tpms_sw(sha1, 0xf, "sha1(0+1+2+3)", 4); + _test_tpms_sw(sha1, 0x00ff00, "sha1(8+9+10+11+12+13+14+15)", 8); + _test_tpms_sw(sha1, 0xffffff, "sha1(0+1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23)", 24); + _test_tpms_sw(sha256, 0, "sha256()", 0); + _test_tpms_sw(sha256, 1, "sha256(0)", 1); + _test_tpms_sw(sha256, 7, "sha256(0+1+2)", 3); + _test_tpms_sw(sha256, 0xf00000, "sha256(20+21+22+23)", 4); + _test_tpms_sw(sha256, 0xffffff, "sha256(0+1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23)", 24); +} + +static void _tpml_pcr_selection_add_tpms(TPMS_PCR_SELECTION s[], size_t count, TPML_PCR_SELECTION *ret) { + for (size_t i = 0; i < count; i++) + tpm2_tpml_pcr_selection_add_tpms_pcr_selection(ret, &s[i]); +} + +static void _tpml_pcr_selection_sub_tpms(TPMS_PCR_SELECTION s[], size_t count, TPML_PCR_SELECTION *ret) { + for (size_t i = 0; i < count; i++) + tpm2_tpml_pcr_selection_sub_tpms_pcr_selection(ret, &s[i]); +} + +static void _test_tpml_sw( + TPMS_PCR_SELECTION s[], + size_t count, + size_t expected_count, + const char *expected_str, + size_t expected_weight) { + + TPML_PCR_SELECTION l = {}; + _tpml_pcr_selection_add_tpms(s, count, &l); + assert_se(l.count == expected_count); + + _cleanup_free_ char *tpml_str = tpm2_tpml_pcr_selection_to_string(&l); + assert_se(streq(tpml_str, expected_str)); + + assert_se(tpm2_tpml_pcr_selection_weight(&l) == expected_weight); + assert_se(tpm2_tpml_pcr_selection_is_empty(&l) == (expected_weight == 0)); +} + +TEST(tpml_pcr_selection_string_and_weight) { + size_t size = 0xaa; + TPMI_ALG_HASH sha1 = TPM2_ALG_SHA1, + sha256 = TPM2_ALG_SHA256, + sha384 = TPM2_ALG_SHA384, + sha512 = TPM2_ALG_SHA512; + TPMS_PCR_SELECTION s[4] = { POISON_TPMS, POISON_TPMS, POISON_TPMS, POISON_TPMS, }; + + size = 0; + tpm2_tpms_pcr_selection_from_mask(0x000002, sha1 , &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0x0080f0, sha384, &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0x010100, sha512, &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0xff0000, sha256, &s[size++]); + _test_tpml_sw(s, + size, + /* expected_count= */ 4, + "[sha1(1),sha384(4+5+6+7+15),sha512(8+16),sha256(16+17+18+19+20+21+22+23)]", + /* expected_weight= */ 16); + + size = 0; + tpm2_tpms_pcr_selection_from_mask(0x0403aa, sha512, &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0x0080f0, sha256, &s[size++]); + _test_tpml_sw(s, + size, + /* expected_count= */ 2, + "[sha512(1+3+5+7+8+9+18),sha256(4+5+6+7+15)]", + /* expected_weight= */ 12); + + size = 0; + /* Empty hashes should be ignored */ + tpm2_tpms_pcr_selection_from_mask(0x0300ce, sha384, &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0xffffff, sha512, &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0x000000, sha1 , &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0x330010, sha256, &s[size++]); + _test_tpml_sw(s, + size, + /* expected_count= */ 3, + "[sha384(1+2+3+6+7+16+17),sha512(0+1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23),sha256(4+16+17+20+21)]", + /* expected_weight= */ 36); + + size = 0; + /* Verify same-hash entries are properly combined. */ + tpm2_tpms_pcr_selection_from_mask(0x000001, sha1 , &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0x000001, sha256, &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0x000010, sha1 , &s[size++]); + tpm2_tpms_pcr_selection_from_mask(0x000010, sha256, &s[size++]); + _test_tpml_sw(s, + size, + /* expected_count= */ 2, + "[sha1(0+4),sha256(0+4)]", + /* expected_weight= */ 4); +} + +/* Test tpml add/sub by changing the tpms individually */ +static void _test_tpml_addsub_tpms( + TPML_PCR_SELECTION *start, + TPMS_PCR_SELECTION add[], + size_t add_count, + TPMS_PCR_SELECTION expected1[], + size_t expected1_count, + TPMS_PCR_SELECTION sub[], + size_t sub_count, + TPMS_PCR_SELECTION expected2[], + size_t expected2_count) { + + TPML_PCR_SELECTION l = *start; + + _tpml_pcr_selection_add_tpms(add, add_count, &l); + verify_tpml_pcr_selection(&l, expected1, expected1_count); + + _tpml_pcr_selection_sub_tpms(sub, sub_count, &l); + verify_tpml_pcr_selection(&l, expected2, expected2_count); +} + +/* Test tpml add/sub by creating new tpmls */ +static void _test_tpml_addsub_tpml( + TPML_PCR_SELECTION *start, + TPMS_PCR_SELECTION add[], + size_t add_count, + TPMS_PCR_SELECTION expected1[], + size_t expected1_count, + TPMS_PCR_SELECTION sub[], + size_t sub_count, + TPMS_PCR_SELECTION expected2[], + size_t expected2_count) { + + TPML_PCR_SELECTION l = {}; + tpm2_tpml_pcr_selection_add(&l, start); + assert_tpml_pcr_selection_eq(&l, start); + + TPML_PCR_SELECTION addl = {}; + _tpml_pcr_selection_add_tpms(add, add_count, &addl); + tpm2_tpml_pcr_selection_add(&l, &addl); + + TPML_PCR_SELECTION e1 = {}; + _tpml_pcr_selection_add_tpms(expected1, expected1_count, &e1); + assert_tpml_pcr_selection_eq(&l, &e1); + + TPML_PCR_SELECTION subl = {}; + _tpml_pcr_selection_add_tpms(sub, sub_count, &subl); + tpm2_tpml_pcr_selection_sub(&l, &subl); + + TPML_PCR_SELECTION e2 = {}; + _tpml_pcr_selection_add_tpms(expected2, expected2_count, &e2); + assert_tpml_pcr_selection_eq(&l, &e2); +} + +#define _test_tpml_addsub(...) \ + ({ \ + _test_tpml_addsub_tpms(__VA_ARGS__); \ + _test_tpml_addsub_tpml(__VA_ARGS__); \ + }) + +TEST(tpml_pcr_selection_add_sub) { + size_t add_count = 0xaa, expected1_count = 0xaa, sub_count = 0xaa, expected2_count = 0xaa; + TPMI_ALG_HASH sha1 = TPM2_ALG_SHA1, + sha256 = TPM2_ALG_SHA256, + sha384 = TPM2_ALG_SHA384, + sha512 = TPM2_ALG_SHA512; + TPML_PCR_SELECTION l = POISON_TPML; + TPMS_PCR_SELECTION add[4] = { POISON_TPMS, POISON_TPMS, POISON_TPMS, POISON_TPMS, }, + sub[4] = { POISON_TPMS, POISON_TPMS, POISON_TPMS, POISON_TPMS, }, + expected1[4] = { POISON_TPMS, POISON_TPMS, POISON_TPMS, POISON_TPMS, }, + expected2[4] = { POISON_TPMS, POISON_TPMS, POISON_TPMS, POISON_TPMS, }; + + l = (TPML_PCR_SELECTION){}; + add_count = 0; + expected1_count = 0; + sub_count = 0; + expected2_count = 0; + tpm2_tpms_pcr_selection_from_mask(0x010101, sha256, &add[add_count++]); + tpm2_tpms_pcr_selection_from_mask(0x101010, sha256, &add[add_count++]); + tpm2_tpms_pcr_selection_from_mask(0x0000ff, sha512, &add[add_count++]); + tpm2_tpms_pcr_selection_from_mask(0x111111, sha256, &expected1[expected1_count++]); + tpm2_tpms_pcr_selection_from_mask(0x0000ff, sha512, &expected1[expected1_count++]); + tpm2_tpms_pcr_selection_from_mask(0x000001, sha256, &sub[sub_count++]); + tpm2_tpms_pcr_selection_from_mask(0xff0000, sha512, &sub[sub_count++]); + tpm2_tpms_pcr_selection_from_mask(0x111110, sha256, &expected2[expected2_count++]); + tpm2_tpms_pcr_selection_from_mask(0x0000ff, sha512, &expected2[expected2_count++]); + _test_tpml_addsub(&l, + add, add_count, + expected1, expected1_count, + sub, sub_count, + expected2, expected2_count); + + l = (TPML_PCR_SELECTION){ + .count = 1, + .pcrSelections[0].hash = sha1, + .pcrSelections[0].sizeofSelect = 3, + .pcrSelections[0].pcrSelect[0] = 0xf0, + }; + add_count = 0; + expected1_count = 0; + sub_count = 0; + expected2_count = 0; + tpm2_tpms_pcr_selection_from_mask(0xff0000, sha256, &add[add_count++]); + tpm2_tpms_pcr_selection_from_mask(0xffff00, sha384, &add[add_count++]); + tpm2_tpms_pcr_selection_from_mask(0x0000ff, sha512, &add[add_count++]); + tpm2_tpms_pcr_selection_from_mask(0xf00000, sha1 , &add[add_count++]); + tpm2_tpms_pcr_selection_from_mask(0xf000f0, sha1 , &expected1[expected1_count++]); + tpm2_tpms_pcr_selection_from_mask(0xff0000, sha256, &expected1[expected1_count++]); + tpm2_tpms_pcr_selection_from_mask(0xffff00, sha384, &expected1[expected1_count++]); + tpm2_tpms_pcr_selection_from_mask(0x0000ff, sha512, &expected1[expected1_count++]); + tpm2_tpms_pcr_selection_from_mask(0x00ffff, sha256, &sub[sub_count++]); + tpm2_tpms_pcr_selection_from_mask(0xf000f0, sha1 , &expected2[expected2_count++]); + tpm2_tpms_pcr_selection_from_mask(0xff0000, sha256, &expected2[expected2_count++]); + tpm2_tpms_pcr_selection_from_mask(0xffff00, sha384, &expected2[expected2_count++]); + tpm2_tpms_pcr_selection_from_mask(0x0000ff, sha512, &expected2[expected2_count++]); + _test_tpml_addsub(&l, + add, add_count, + expected1, expected1_count, + sub, sub_count, + expected2, expected2_count); +} + +static bool digest_check(const TPM2B_DIGEST *digest, const char *expect) { + _cleanup_free_ char *h = NULL; + + assert_se(digest); + assert_se(expect); + + h = hexmem(digest->buffer, digest->size); + assert_se(h); + + return strcaseeq(expect, h); +} + +static void digest_init(TPM2B_DIGEST *digest, const char *hash) { + assert_se(strlen(hash) <= sizeof(digest->buffer) * 2); + + DEFINE_HEX_PTR(h, hash); + + /* Make sure the length matches a known hash algorithm */ + assert_se(IN_SET(h_len, TPM2_SHA1_DIGEST_SIZE, TPM2_SHA256_DIGEST_SIZE, TPM2_SHA384_DIGEST_SIZE, TPM2_SHA512_DIGEST_SIZE)); + + *digest = TPM2B_DIGEST_MAKE(h, h_len); + + assert_se(digest_check(digest, hash)); +} + +TEST(digest_many) { + TPM2B_DIGEST d, d0, d1, d2, d3, d4; + + digest_init(&d0, "0000000000000000000000000000000000000000000000000000000000000000"); + digest_init(&d1, "17b7703d9d00776310ba032e88c1a8c2a9c630ebdd799db622f6631530789175"); + digest_init(&d2, "12998c017066eb0d2a70b94e6ed3192985855ce390f321bbdb832022888bd251"); + digest_init(&d3, "c3a65887fedd3fb4f5d0047e906dff830bcbd1293160909eb4b05f485e7387ad"); + digest_init(&d4, "6491fb4bc08fc0b2ef47fc63db57e249917885e69d8c0d99667df83a59107a33"); + + /* tpm2_digest_init, tpm2_digest_rehash */ + d = (TPM2B_DIGEST){ .size = 1, .buffer = { 2, }, }; + assert_se(tpm2_digest_init(TPM2_ALG_SHA256, &d) == 0); + assert_se(digest_check(&d, "0000000000000000000000000000000000000000000000000000000000000000")); + assert_se(tpm2_digest_rehash(TPM2_ALG_SHA256, &d) == 0); + assert_se(digest_check(&d, "66687aadf862bd776c8fc18b8e9f8e20089714856ee233b3902a591d0d5f2925")); + + d = d1; + assert_se(tpm2_digest_rehash(TPM2_ALG_SHA256, &d) == 0); + assert_se(digest_check(&d, "ab55014b5ace12ba70c3acc887db571585a83539aad3633d252a710f268f405c")); + assert_se(tpm2_digest_init(TPM2_ALG_SHA256, &d) == 0); + assert_se(digest_check(&d, "0000000000000000000000000000000000000000000000000000000000000000")); + + /* tpm2_digest_many_digests */ + assert_se(tpm2_digest_many_digests(TPM2_ALG_SHA256, &d, &d2, 1, false) == 0); + assert_se(digest_check(&d, "56571a1be3fbeab18d215f549095915a004b5788ca0d535be668559129a76f25")); + assert_se(tpm2_digest_many_digests(TPM2_ALG_SHA256, &d, &d2, 1, true) == 0); + assert_se(digest_check(&d, "99dedaee8f4d8d10a8be184399fde8740d5e17ff783ee5c288a4486e4ce3a1fe")); + + const TPM2B_DIGEST da1[] = { d2, d3, }; + assert_se(tpm2_digest_many_digests(TPM2_ALG_SHA256, &d, da1, ELEMENTSOF(da1), false) == 0); + assert_se(digest_check(&d, "525aa13ef9a61827778ec3acf16fbb23b65ae8770b8fb2684d3a33f9457dd6d8")); + assert_se(tpm2_digest_many_digests(TPM2_ALG_SHA256, &d, da1, ELEMENTSOF(da1), true) == 0); + assert_se(digest_check(&d, "399ca2aa98963d1bd81a2b58a7e5cda24bba1be88fb4da9aa73d97706846566b")); + + const TPM2B_DIGEST da2[] = { d3, d2, d0 }; + assert_se(tpm2_digest_many_digests(TPM2_ALG_SHA256, &d, da2, ELEMENTSOF(da2), false) == 0); + assert_se(digest_check(&d, "b26fd22db74d4cd896bff01c61aa498a575e4a553a7fb5a322a5fee36954313e")); + assert_se(tpm2_digest_many_digests(TPM2_ALG_SHA256, &d, da2, ELEMENTSOF(da2), true) == 0); + assert_se(digest_check(&d, "091e79a5b09d4048df49a680f966f3ff67910afe185c3baf9704c9ca45bcf259")); + + const TPM2B_DIGEST da3[] = { d4, d4, d4, d4, d3, d4, d4, d4, d4, }; + assert_se(tpm2_digest_many_digests(TPM2_ALG_SHA256, &d, da3, ELEMENTSOF(da3), false) == 0); + assert_se(digest_check(&d, "8eca947641b6002df79dfb571a7f78b7d0a61370a366f722386dfbe444d18830")); + assert_se(tpm2_digest_many_digests(TPM2_ALG_SHA256, &d, da3, ELEMENTSOF(da3), true) == 0); + assert_se(digest_check(&d, "f9ba17bc0bbe8794e9bcbf112e4d59a11eb68fffbcd5516a746e4857829dff04")); + + /* tpm2_digest_buffer */ + const uint8_t b1[] = { 1, 2, 3, 4, }; + assert_se(tpm2_digest_buffer(TPM2_ALG_SHA256, &d, b1, ELEMENTSOF(b1), false) == 0); + assert_se(digest_check(&d, "9f64a747e1b97f131fabb6b447296c9b6f0201e79fb3c5356e6c77e89b6a806a")); + assert_se(tpm2_digest_buffer(TPM2_ALG_SHA256, &d, b1, ELEMENTSOF(b1), true) == 0); + assert_se(digest_check(&d, "ff3bd307b287e9b29bb572f6ccfd19deb0106d0c4c3c5cfe8a1d03a396092ed4")); + + const void *b2 = d2.buffer; + assert_se(tpm2_digest_buffer(TPM2_ALG_SHA256, &d, b2, d2.size, false) == 0); + assert_se(digest_check(&d, "56571a1be3fbeab18d215f549095915a004b5788ca0d535be668559129a76f25")); + assert_se(tpm2_digest_buffer(TPM2_ALG_SHA256, &d, b2, d2.size, true) == 0); + assert_se(digest_check(&d, "99dedaee8f4d8d10a8be184399fde8740d5e17ff783ee5c288a4486e4ce3a1fe")); + + /* tpm2_digest_many */ + const struct iovec iov1[] = { + IOVEC_MAKE((void*) b1, ELEMENTSOF(b1)), + IOVEC_MAKE(d2.buffer, d2.size), + IOVEC_MAKE(d3.buffer, d3.size), + }; + assert_se(tpm2_digest_many(TPM2_ALG_SHA256, &d, iov1, ELEMENTSOF(iov1), false) == 0); + assert_se(digest_check(&d, "cd7bde4a047af976b6f1b282309976229be59f96a78aa186de32a1aee488ab09")); + assert_se(tpm2_digest_many(TPM2_ALG_SHA256, &d, iov1, ELEMENTSOF(iov1), true) == 0); + assert_se(digest_check(&d, "02ecb0628264235111e0053e271092981c8b15d59cd46617836bee3149a4ecb0")); +} + +static void check_parse_pcr_argument( + const char *arg, + const Tpm2PCRValue *prev_values, + size_t n_prev_values, + const Tpm2PCRValue *expected_values, + size_t n_expected_values) { + + _cleanup_free_ Tpm2PCRValue *values = NULL; + size_t n_values = 0; + + if (n_prev_values > 0) { + assert_se(GREEDY_REALLOC_APPEND(values, n_values, prev_values, n_prev_values)); + assert_se(tpm2_parse_pcr_argument_append(arg, &values, &n_values) == 0); + } else + assert_se(tpm2_parse_pcr_argument(arg, &values, &n_values) == 0); + + assert_se(n_values == n_expected_values); + for (size_t i = 0; i < n_values; i++) { + const Tpm2PCRValue *v = &values[i], *e = &expected_values[i]; + //tpm2_log_debug_pcr_value(e, "Expected value"); + //tpm2_log_debug_pcr_value(v, "Actual value"); + + assert_se(v->index == e->index); + assert_se(v->hash == e->hash); + assert_se(v->value.size == e->value.size); + assert_se(memcmp(v->value.buffer, e->value.buffer, e->value.size) == 0); + } + + size_t hash_count; + assert_se(tpm2_pcr_values_hash_count(expected_values, n_expected_values, &hash_count) == 0); + if (hash_count == 1) { + uint32_t mask = UINT32_MAX, expected_mask = 0; + + if (n_prev_values > 0) + assert_se(tpm2_pcr_values_to_mask(prev_values, n_prev_values, prev_values[0].hash, &mask) == 0); + + assert_se(tpm2_pcr_values_to_mask(expected_values, n_expected_values, expected_values[0].hash, &expected_mask) == 0); + + assert_se(tpm2_parse_pcr_argument_to_mask(arg, &mask) == 0); + assert_se(mask == expected_mask); + } + + size_t old_n_values = n_values; + assert_se(tpm2_parse_pcr_argument_append("", &values, &n_values) == 0); + assert_se(values); + assert_se(n_values == old_n_values); +} + +static void check_parse_pcr_argument_to_mask(const char *arg, int mask) { + uint32_t m = 0; + int r = tpm2_parse_pcr_argument_to_mask(arg, &m); + + if (mask < 0) + assert_se(mask == r); + else + assert_se((uint32_t) mask == m); +} + +TEST(parse_pcr_argument) { + _cleanup_free_ Tpm2PCRValue *t0p = NULL; + size_t n_t0p; + assert_se(tpm2_parse_pcr_argument("", &t0p, &n_t0p) == 0); + assert_se(n_t0p == 0); + assert_se(tpm2_parse_pcr_argument_append("", &t0p, &n_t0p) == 0); + assert_se(n_t0p == 0); + uint32_t m0 = 0xf; + assert_se(tpm2_parse_pcr_argument_to_mask("", &m0) == 0); + assert_se(m0 == 0); + assert_se(tpm2_parse_pcr_argument_to_mask("", &m0) == 0); + assert_se(m0 == 0); + + Tpm2PCRValue t1[] = { + TPM2_PCR_VALUE_MAKE(0, 0, {}), + TPM2_PCR_VALUE_MAKE(4, 0, {}), + TPM2_PCR_VALUE_MAKE(7, 0, {}), + TPM2_PCR_VALUE_MAKE(11, 0, {}), + }; + check_parse_pcr_argument("0,4,7,11", NULL, 0, t1, ELEMENTSOF(t1)); + check_parse_pcr_argument("11,4,7,0", NULL, 0, t1, ELEMENTSOF(t1)); + check_parse_pcr_argument("7,4,0,11", NULL, 0, t1, ELEMENTSOF(t1)); + check_parse_pcr_argument("11,7,4,0", NULL, 0, t1, ELEMENTSOF(t1)); + check_parse_pcr_argument("0+4+7+11", NULL, 0, t1, ELEMENTSOF(t1)); + check_parse_pcr_argument("0,4+7,11", NULL, 0, t1, ELEMENTSOF(t1)); + + Tpm2PCRValue t2[] = { + TPM2_PCR_VALUE_MAKE(0, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(4, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(7, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(11, TPM2_ALG_SHA1, {}), + }; + check_parse_pcr_argument("0:sha1,4,7,11", NULL, 0, t2, ELEMENTSOF(t2)); + check_parse_pcr_argument("11,4,7,0:sha1", NULL, 0, t2, ELEMENTSOF(t2)); + check_parse_pcr_argument("7,4:sha1,0,11", NULL, 0, t2, ELEMENTSOF(t2)); + check_parse_pcr_argument("0:sha1,4:sha1,7:sha1,11:sha1", NULL, 0, t2, ELEMENTSOF(t2)); + check_parse_pcr_argument("0:sha1+4:sha1,11:sha1+7:sha1", NULL, 0, t2, ELEMENTSOF(t2)); + + Tpm2PCRValue t3[] = { + TPM2_PCR_VALUE_MAKE(0, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(1, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(2, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(3, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(4, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(7, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(11, TPM2_ALG_SHA1, {}), + TPM2_PCR_VALUE_MAKE(12, TPM2_ALG_SHA1, {}), + }; + check_parse_pcr_argument("1,2,3,12", t2, ELEMENTSOF(t2), t3, ELEMENTSOF(t3)); + check_parse_pcr_argument("12,2,3,1", t2, ELEMENTSOF(t2), t3, ELEMENTSOF(t3)); + check_parse_pcr_argument("1,2,3,12:sha1", t1, ELEMENTSOF(t1), t3, ELEMENTSOF(t3)); + check_parse_pcr_argument("1,2,3,12:sha1", t2, ELEMENTSOF(t2), t3, ELEMENTSOF(t3)); + check_parse_pcr_argument("1:sha1,2,3,12", t1, ELEMENTSOF(t1), t3, ELEMENTSOF(t3)); + check_parse_pcr_argument("1:sha1,2,3,12", t2, ELEMENTSOF(t2), t3, ELEMENTSOF(t3)); + check_parse_pcr_argument("1:sha1,2:sha1,3:sha1,12:sha1", t1, ELEMENTSOF(t1), t3, ELEMENTSOF(t3)); + check_parse_pcr_argument("1:sha1,2:sha1,3:sha1,12:sha1", t2, ELEMENTSOF(t2), t3, ELEMENTSOF(t3)); + + TPM2B_DIGEST d4; + digest_init(&d4, "FCE7F1083082B16CFE2B085DD7858BB11A37C09B78E36C79E5A2FD529353C4E2"); + Tpm2PCRValue t4[] = { + TPM2_PCR_VALUE_MAKE(0, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(1, TPM2_ALG_SHA256, d4), + TPM2_PCR_VALUE_MAKE(2, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(3, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(4, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(7, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(11, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(12, TPM2_ALG_SHA256, {}), + }; + check_parse_pcr_argument("1:sha256=0xFCE7F1083082B16CFE2B085DD7858BB11A37C09B78E36C79E5A2FD529353C4E2,2,3,12", t1, ELEMENTSOF(t1), t4, ELEMENTSOF(t4)); + check_parse_pcr_argument("12,2,3,1:sha256=FCE7F1083082B16CFE2B085DD7858BB11A37C09B78E36C79E5A2FD529353C4E2", t1, ELEMENTSOF(t1), t4, ELEMENTSOF(t4)); + check_parse_pcr_argument("12,2,3,1:sha256=0xFCE7F1083082B16CFE2B085DD7858BB11A37C09B78E36C79E5A2FD529353C4E2", t1, ELEMENTSOF(t1), t4, ELEMENTSOF(t4)); + check_parse_pcr_argument("1:sha256=0xFCE7F1083082B16CFE2B085DD7858BB11A37C09B78E36C79E5A2FD529353C4E2,2,3,12:SHA256", t1, ELEMENTSOF(t1), t4, ELEMENTSOF(t4)); + check_parse_pcr_argument("1:sha256=0xFCE7F1083082B16CFE2B085DD7858BB11A37C09B78E36C79E5A2FD529353C4E2,2,3,12", t1, ELEMENTSOF(t1), t4, ELEMENTSOF(t4)); + check_parse_pcr_argument("1:sha256=FCE7F1083082B16CFE2B085DD7858BB11A37C09B78E36C79E5A2FD529353C4E2,2:sha256,3:sha256,12:sha256", t1, ELEMENTSOF(t1), t4, ELEMENTSOF(t4)); + check_parse_pcr_argument("1:sha256=0xFCE7F1083082B16CFE2B085DD7858BB11A37C09B78E36C79E5A2FD529353C4E2,2:sha256,3:sha256,12:sha256", t1, ELEMENTSOF(t1), t4, ELEMENTSOF(t4)); + + TPM2B_DIGEST d5; + digest_init(&d5, "0F21EADB7F27377668E3C8069BE88D116491FBEE"); + Tpm2PCRValue t5[] = { + TPM2_PCR_VALUE_MAKE(1, TPM2_ALG_SHA1, d5), + TPM2_PCR_VALUE_MAKE(0, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(1, TPM2_ALG_SHA256, d4), + TPM2_PCR_VALUE_MAKE(2, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(3, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(4, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(7, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(11, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(12, TPM2_ALG_SHA256, {}), + TPM2_PCR_VALUE_MAKE(5, TPM2_ALG_SHA384, {}), + TPM2_PCR_VALUE_MAKE(6, TPM2_ALG_SHA512, {}), + }; + check_parse_pcr_argument("0,1:sha256=0xFCE7F1083082B16CFE2B085DD7858BB11A37C09B78E36C79E5A2FD529353C4E2,1:sha1=0F21EADB7F27377668E3C8069BE88D116491FBEE,2,3,4,7,11,12,5:sha384,6:sha512", NULL, 0, t5, ELEMENTSOF(t5)); + check_parse_pcr_argument("1:sha1=0F21EADB7F27377668E3C8069BE88D116491FBEE,6:sha512,5:sha384", t4, ELEMENTSOF(t4), t5, ELEMENTSOF(t5)); + + Tpm2PCRValue *v = NULL; + size_t n_v = 0; + assert_se(tpm2_parse_pcr_argument("1,100", &v, &n_v) < 0); + assert_se(tpm2_parse_pcr_argument("1,2=123456abc", &v, &n_v) < 0); + assert_se(tpm2_parse_pcr_argument("1,2:invalid", &v, &n_v) < 0); + assert_se(tpm2_parse_pcr_argument("1:sha1=invalid", &v, &n_v) < 0); + assert_se(v == NULL); + assert_se(n_v == 0); + + check_parse_pcr_argument_to_mask("", 0x0); + check_parse_pcr_argument_to_mask("0", 0x1); + check_parse_pcr_argument_to_mask("1", 0x2); + check_parse_pcr_argument_to_mask("0,1", 0x3); + check_parse_pcr_argument_to_mask("0+1", 0x3); + check_parse_pcr_argument_to_mask("0-1", -EINVAL); + check_parse_pcr_argument_to_mask("foo", -EINVAL); + check_parse_pcr_argument_to_mask("0,1,2", 0x7); + check_parse_pcr_argument_to_mask("0+1+2", 0x7); + check_parse_pcr_argument_to_mask("0+1,2", 0x7); + check_parse_pcr_argument_to_mask("0,1+2", 0x7); + check_parse_pcr_argument_to_mask("0,2", 0x5); + check_parse_pcr_argument_to_mask("0+2", 0x5); + check_parse_pcr_argument_to_mask("7+application-support", 0x800080); + check_parse_pcr_argument_to_mask("8+boot-loader-code", 0x110); + check_parse_pcr_argument_to_mask("7,shim-policy,4", 0x4090); + check_parse_pcr_argument_to_mask("sysexts,shim-policy+kernel-boot", 0x6800); + check_parse_pcr_argument_to_mask("sysexts,shim+kernel-boot", -EINVAL); + check_parse_pcr_argument_to_mask("sysexts+17+23", 0x822000); + check_parse_pcr_argument_to_mask("6+boot-loader-code,44", -EINVAL); + check_parse_pcr_argument_to_mask("debug+24", -EINVAL); +} + +static const TPMT_PUBLIC test_rsa_template = { + .type = TPM2_ALG_RSA, + .nameAlg = TPM2_ALG_SHA256, + .objectAttributes = TPMA_OBJECT_RESTRICTED|TPMA_OBJECT_DECRYPT|TPMA_OBJECT_FIXEDTPM|TPMA_OBJECT_FIXEDPARENT|TPMA_OBJECT_SENSITIVEDATAORIGIN|TPMA_OBJECT_USERWITHAUTH, + .parameters.rsaDetail = { + .symmetric = { + .algorithm = TPM2_ALG_AES, + .keyBits.aes = 128, + .mode.aes = TPM2_ALG_CFB, + }, + .scheme.scheme = TPM2_ALG_NULL, + .keyBits = 2048, + }, +}; + +static const TPMT_PUBLIC test_ecc_template = { + .type = TPM2_ALG_ECC, + .nameAlg = TPM2_ALG_SHA256, + .objectAttributes = TPMA_OBJECT_RESTRICTED|TPMA_OBJECT_DECRYPT|TPMA_OBJECT_FIXEDTPM|TPMA_OBJECT_FIXEDPARENT|TPMA_OBJECT_SENSITIVEDATAORIGIN|TPMA_OBJECT_USERWITHAUTH, + .parameters.eccDetail = { + .symmetric = { + .algorithm = TPM2_ALG_AES, + .keyBits.aes = 128, + .mode.aes = TPM2_ALG_CFB, + }, + .scheme.scheme = TPM2_ALG_NULL, + .curveID = TPM2_ECC_NIST_P256, + .kdf.scheme = TPM2_ALG_NULL, + }, +}; + +static const TPMT_PUBLIC *test_templates[] = { + &test_rsa_template, + &test_ecc_template, +}; + +static void tpm2b_public_rsa_init(TPM2B_PUBLIC *public, const char *rsa_n) { + TPMT_PUBLIC tpmt = test_rsa_template; + + DEFINE_HEX_PTR(key, rsa_n); + tpmt.unique.rsa = TPM2B_PUBLIC_KEY_RSA_MAKE(key, key_len); + + public->size = sizeof(tpmt); + public->publicArea = tpmt; +} + +static void tpm2b_public_ecc_init(TPM2B_PUBLIC *public, TPMI_ECC_CURVE curve, const char *x, const char *y) { + TPMT_PUBLIC tpmt = test_ecc_template; + tpmt.parameters.eccDetail.curveID = curve; + + DEFINE_HEX_PTR(buf_x, x); + tpmt.unique.ecc.x = TPM2B_ECC_PARAMETER_MAKE(buf_x, buf_x_len); + + DEFINE_HEX_PTR(buf_y, y); + tpmt.unique.ecc.y = TPM2B_ECC_PARAMETER_MAKE(buf_y, buf_y_len); + + public->size = sizeof(tpmt); + public->publicArea = tpmt; +} + +#if HAVE_OPENSSL +TEST(tpm2b_public_to_openssl_pkey) { + DEFINE_HEX_PTR(msg, "edc64c6523778961fe9ba03ab7d624b27ca1dd5b01e7734cc6c891d50db04269"); + TPM2B_PUBLIC public; + + /* RSA */ + tpm2b_public_rsa_init(&public, "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"); + _cleanup_(EVP_PKEY_freep) EVP_PKEY *pkey_rsa = NULL; + assert_se(tpm2_tpm2b_public_to_openssl_pkey(&public, &pkey_rsa) >= 0); + + _cleanup_(EVP_PKEY_CTX_freep) EVP_PKEY_CTX *ctx_rsa = EVP_PKEY_CTX_new((EVP_PKEY*) pkey_rsa, NULL); + assert_se(ctx_rsa); + assert_se(EVP_PKEY_verify_init(ctx_rsa) == 1); + assert_se(EVP_PKEY_CTX_set_signature_md(ctx_rsa, EVP_sha256()) > 0); + + DEFINE_HEX_PTR(sig_rsa, "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"); + assert_se(EVP_PKEY_verify(ctx_rsa, sig_rsa, sig_rsa_len, (unsigned char*) msg, msg_len) == 1); + + /* ECC */ + tpm2b_public_ecc_init(&public, TPM2_ECC_NIST_P256, "6fc0ecf3645c673ab7e86d1ec5b315afb950257c5f68ab23296160006711fac2", "8dd2ef7a2c9ecede91493ba98c8fb3f893aff325c6a1e0f752c657b2d6ca1413"); + _cleanup_(EVP_PKEY_freep) EVP_PKEY *pkey_ecc = NULL; + assert_se(tpm2_tpm2b_public_to_openssl_pkey(&public, &pkey_ecc) >= 0); + + _cleanup_(EVP_PKEY_CTX_freep) EVP_PKEY_CTX *ctx_ecc = EVP_PKEY_CTX_new((EVP_PKEY*) pkey_ecc, NULL); + assert_se(ctx_ecc); + assert_se(EVP_PKEY_verify_init(ctx_ecc) == 1); + + DEFINE_HEX_PTR(sig_ecc, "304602210092447ac0b5b32e90923f79bb4aba864b9c546a9900cf193a83243d35d189a2110221009a8b4df1dfa85e225eff9c606694d4d205a7a3968c9552f50bc2790209a90001"); + assert_se(EVP_PKEY_verify(ctx_ecc, sig_ecc, sig_ecc_len, (unsigned char*) msg, msg_len) == 1); +} + +static void get_tpm2b_public_from_pem(const void *pem, size_t pem_size, TPM2B_PUBLIC *ret) { + _cleanup_(EVP_PKEY_freep) EVP_PKEY *pkey = NULL; + TPM2B_PUBLIC p1 = {}, p2 = {}; + + assert(pem); + assert(ret); + + assert_se(openssl_pkey_from_pem(pem, pem_size, &pkey) >= 0); + assert_se(tpm2_tpm2b_public_from_openssl_pkey(pkey, &p1) >= 0); + assert_se(tpm2_tpm2b_public_from_pem(pem, pem_size, &p2) >= 0); + assert_se(memcmp_nn(&p1, sizeof(p1), &p2, sizeof(p2)) == 0); + + *ret = p1; +} + +static void check_tpm2b_public_fingerprint(const TPM2B_PUBLIC *public, const char *hexfp) { + DEFINE_HEX_PTR(expected, hexfp); + _cleanup_free_ void *fp = NULL; + size_t fp_size; + + assert_se(tpm2_tpm2b_public_to_fingerprint(public, &fp, &fp_size) >= 0); + assert_se(memcmp_nn(fp, fp_size, expected, expected_len) == 0); +} + +static void check_tpm2b_public_name(const TPM2B_PUBLIC *public, const char *hexname) { + DEFINE_HEX_PTR(expected, hexname); + TPM2B_NAME name = {}; + + assert_se(tpm2_calculate_pubkey_name(&public->publicArea, &name) >= 0); + assert_se(memcmp_nn(name.name, name.size, expected, expected_len) == 0); +} + +static void check_tpm2b_public_from_ecc_pem(const char *pem, const char *hexx, const char *hexy, const char *hexfp, const char *hexname) { + TPM2B_PUBLIC public = {}; + TPMT_PUBLIC *p = &public.publicArea; + + DEFINE_HEX_PTR(key, pem); + get_tpm2b_public_from_pem(key, key_len, &public); + + assert_se(p->type == TPM2_ALG_ECC); + assert_se(p->parameters.eccDetail.curveID == TPM2_ECC_NIST_P256); + + DEFINE_HEX_PTR(expected_x, hexx); + assert_se(memcmp_nn(p->unique.ecc.x.buffer, p->unique.ecc.x.size, expected_x, expected_x_len) == 0); + + DEFINE_HEX_PTR(expected_y, hexy); + assert_se(memcmp_nn(p->unique.ecc.y.buffer, p->unique.ecc.y.size, expected_y, expected_y_len) == 0); + + check_tpm2b_public_fingerprint(&public, hexfp); + check_tpm2b_public_name(&public, hexname); +} + +static void check_tpm2b_public_from_rsa_pem(const char *pem, const char *hexn, uint32_t exponent, const char *hexfp, const char *hexname) { + TPM2B_PUBLIC public = {}; + TPMT_PUBLIC *p = &public.publicArea; + + DEFINE_HEX_PTR(key, pem); + get_tpm2b_public_from_pem(key, key_len, &public); + + assert_se(p->type == TPM2_ALG_RSA); + + DEFINE_HEX_PTR(expected_n, hexn); + assert_se(memcmp_nn(p->unique.rsa.buffer, p->unique.rsa.size, expected_n, expected_n_len) == 0); + + assert_se(p->parameters.rsaDetail.keyBits == expected_n_len * 8); + + assert_se(p->parameters.rsaDetail.exponent == exponent); + + check_tpm2b_public_fingerprint(&public, hexfp); + check_tpm2b_public_name(&public, hexname); +} + +TEST(tpm2b_public_from_openssl_pkey) { + /* standard ECC key */ + check_tpm2b_public_from_ecc_pem("2d2d2d2d2d424547494e205055424c4943204b45592d2d2d2d2d0a4d466b77457759484b6f5a497a6a3043415159494b6f5a497a6a30444151634451674145726a6e4575424c73496c3972687068777976584e50686a346a426e500a44586e794a304b395579724e6764365335413532542b6f5376746b436a365a726c34685847337741515558706f426c532b7448717452714c35513d3d0a2d2d2d2d2d454e44205055424c4943204b45592d2d2d2d2d0a", + "ae39c4b812ec225f6b869870caf5cd3e18f88c19cf0d79f22742bd532acd81de", + "92e40e764fea12bed9028fa66b9788571b7c004145e9a01952fad1eab51a8be5", + "cd3373293b62a52b48c12100e80ea9bfd806266ce76893a5ec31cb128052d97c", + "000b5c127e4dbaf8fb7bac641e8db25a84a48db876ca7ee3bd317ae1a4554ff72f17"); + + /* standard RSA key */ + check_tpm2b_public_from_rsa_pem("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", + "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", + 0x10001, + "d9186d13a7fd5b3644cee05448f49ad3574e82a2942ff93cf89598d36cca78a9", + "000be1bd75c7976e7a30e9e82223b81a9eff0d42c30618e588db592ed5da94455e81"); + + /* RSA key with non-default (i.e. not 0x10001) exponent */ + check_tpm2b_public_from_rsa_pem("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", + "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", + 0x10005, + "c8ca80a687d5972e1d961aaa2cfde2ff2e7a20d85e3ea0382804e70e013d65af", + "000beb8974d36d8cf58fdc87460dda00319e10c94c1b9f222ac9ce29d1c4776246cc"); +} +#endif + +static void check_name(const TPM2B_NAME *name, const char *expect) { + assert_se(name->size == SHA256_DIGEST_SIZE + 2); + + DEFINE_HEX_PTR(e, expect); + assert_se(name->size == e_len); + assert_se(memcmp(name->name, e, e_len) == 0); +} + +TEST(calculate_pubkey_name) { + TPM2B_PUBLIC public; + TPM2B_NAME name; + + /* RSA */ + tpm2b_public_rsa_init(&public, "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"); + assert_se(tpm2_calculate_pubkey_name(&public.publicArea, &name) >= 0); + check_name(&name, "000be78f74a470dd92e979ca067cdb2293a35f075e8560b436bd2ccea5da21486a07"); + + /* ECC */ + tpm2b_public_ecc_init(&public, TPM2_ECC_NIST_P256, "238e02ee4fd5598add6b502429f1815418515e4b0d6551c8e816b38cb15451d1", "70c2d491769775ec43ccd5a571c429233e9d30cf0f486c2e01acd6cb32ba93b6"); + assert_se(tpm2_calculate_pubkey_name(&public.publicArea, &name) >= 0); + check_name(&name, "000b302787187ba19c82011c987bd2dcdbb652b3a543ccc5cb0b49c33d4caae604a6"); +} + +TEST(calculate_policy_auth_value) { + TPM2B_DIGEST d; + + digest_init(&d, "0000000000000000000000000000000000000000000000000000000000000000"); + assert_se(tpm2_calculate_policy_auth_value(&d) == 0); + assert_se(digest_check(&d, "8fcd2169ab92694e0c633f1ab772842b8241bbc20288981fc7ac1eddc1fddb0e")); + assert_se(tpm2_calculate_policy_auth_value(&d) == 0); + assert_se(digest_check(&d, "759ebd5ed65100e0b4aa2d04b4b789c2672d92ecc9cdda4b5fa16a303132e008")); +} + +TEST(calculate_policy_authorize) { + TPM2B_PUBLIC public; + TPM2B_DIGEST d; + + /* RSA */ + tpm2b_public_rsa_init(&public, "9ec7341c52093ac40a1965a5df10432513c539adcf905e30577ab6ebc88ffe53cd08cef12ed9bec6125432f4fada3629b8b96d31b8f507aa35029188fe396da823fcb236027f7fbb01b0da3d87be7f999390449ced604bdf7e26c48657cc0671000f1147da195c3861c96642e54427cb7a11572e07567ec3fd6316978abc4bd92b27bb0a0e4958e599804eeb41d682b3b7fc1f960209f80a4fb8a1b64abfd96bf5d554e73cdd6ad1c8becb4fcf5e8f0c3e621d210e5e2f308f6520ad9a966779231b99f06c5989e5a23a9415c8808ab89ce81117632e2f8461cd4428bded40979236aeadafe8de3f51660a45e1dbc87694e6a36360201cca3ff9e7263e712727"); + digest_init(&d, "0000000000000000000000000000000000000000000000000000000000000000"); + assert_se(tpm2_calculate_policy_authorize(&public, NULL, &d) == 0); + assert_se(digest_check(&d, "95213a3784eaab04f427bc7e8851c2f1df0903be8e42428ec25dcefd907baff1")); + assert_se(tpm2_calculate_policy_authorize(&public, NULL, &d) == 0); + assert_se(digest_check(&d, "95213a3784eaab04f427bc7e8851c2f1df0903be8e42428ec25dcefd907baff1")); + + /* ECC */ + tpm2b_public_ecc_init(&public, TPM2_ECC_NIST_P256, "423a89da6f0998f510489ab9682706e762031ef8f9faef2a185eff67065a187e", "996f73291670cef9e303d6cd9fa19ddf2c9c1fb1e283324ca9acca07c405c8d0"); + digest_init(&d, "0000000000000000000000000000000000000000000000000000000000000000"); + assert_se(tpm2_calculate_policy_authorize(&public, NULL, &d) == 0); + assert_se(digest_check(&d, "2a5b705e83f949c27ac4d2e79e54fb5fb0a60f0b37bbd54a0ee1022ba00d3628")); + assert_se(tpm2_calculate_policy_authorize(&public, NULL, &d) == 0); + assert_se(digest_check(&d, "2a5b705e83f949c27ac4d2e79e54fb5fb0a60f0b37bbd54a0ee1022ba00d3628")); +} + +TEST(calculate_policy_pcr) { + TPM2B_DIGEST d, dN[16]; + + digest_init(&dN[ 0], "2124793cbbe60c3a8637d3b84a5d054e87c351e1469a285acc04755e8b204dec"); + digest_init(&dN[ 1], "bf7592f18adcfdc549fc0b94939f5069a24697f9cff4a0dca29014767b97559d"); + digest_init(&dN[ 2], "4b00cff9dee3a364979b2dc241b34568a8ad49fcf2713df259e47dff8875feed"); + digest_init(&dN[ 3], "3d458cfe55cc03ea1f443f1562beec8df51c75e14a9fcf9a7234a13f198e7969"); + digest_init(&dN[ 4], "368f85b3013041dfe203faaa364f00b07c5da7b1e5f1dbf2efb06fa6b9bd92de"); + digest_init(&dN[ 5], "c97c40369691c8e4aa78fb3a52655cd193b780a838b8e23f5f476576919db5e5"); + digest_init(&dN[ 6], "3d458cfe55cc03ea1f443f1562beec8df51c75e14a9fcf9a7234a13f198e7969"); + digest_init(&dN[ 7], "aa1154c9e0a774854ccbed4c8ce7e9b906b3d700a1a8db1772d0341a62dbe51b"); + digest_init(&dN[ 8], "cfde439a2c06af3479ca6bdc60429b90553d65300c5cfcc40004a08c6b5ad81a"); + digest_init(&dN[ 9], "9c2bac22ef5ec84fcdb71c3ebf776cba1247e5da980e5ee08e45666a2edf0b8b"); + digest_init(&dN[10], "9885873f4d7348199ad286f8f2476d4f866940950f6f9fb9f945ed352dbdcbd2"); + digest_init(&dN[11], "42400ab950d21aa79d12cc4fdef67d1087a39ad64900619831c0974dbae54e44"); + digest_init(&dN[12], "767d064382e56ca1ad3bdcc6bc596112e6c2008b593d3570d24c2bfa64c4628c"); + digest_init(&dN[13], "30c16133175959408c9745d8dafadef5daf4b39cb2be04df0d60089bd46d3cc4"); + digest_init(&dN[14], "e3991b7ddd47be7e92726a832d6874c5349b52b789fa0db8b558c69fea29574e"); + digest_init(&dN[15], "852dae3ecb992bdeb13d6002fefeeffdd90feca8b378d56681ef2c885d0e5137"); + + digest_init(&d, "0000000000000000000000000000000000000000000000000000000000000000"); + Tpm2PCRValue v1[] = { + TPM2_PCR_VALUE_MAKE(4, TPM2_ALG_SHA256, dN[4]), + TPM2_PCR_VALUE_MAKE(7, TPM2_ALG_SHA256, dN[7]), + TPM2_PCR_VALUE_MAKE(8, TPM2_ALG_SHA256, dN[8]), + }; + assert_se(tpm2_calculate_policy_pcr(v1, ELEMENTSOF(v1), &d) == 0); + assert_se(digest_check(&d, "76532a0e16f7e6bf6b02918c11f75d99d729fab0cc81d0df2c4284a2c4fe6e05")); + assert_se(tpm2_calculate_policy_pcr(v1, ELEMENTSOF(v1), &d) == 0); + assert_se(digest_check(&d, "97e64bcabb64c1fa4b726528644926c8029f5b4458b0575c98c04fe225629a0b")); + + digest_init(&d, "0000000000000000000000000000000000000000000000000000000000000000"); + Tpm2PCRValue v2[] = { + TPM2_PCR_VALUE_MAKE( 0, TPM2_ALG_SHA256, dN[ 0]), + TPM2_PCR_VALUE_MAKE( 1, TPM2_ALG_SHA256, dN[ 1]), + TPM2_PCR_VALUE_MAKE( 2, TPM2_ALG_SHA256, dN[ 2]), + TPM2_PCR_VALUE_MAKE( 3, TPM2_ALG_SHA256, dN[ 3]), + TPM2_PCR_VALUE_MAKE( 4, TPM2_ALG_SHA256, dN[ 4]), + TPM2_PCR_VALUE_MAKE( 5, TPM2_ALG_SHA256, dN[ 5]), + TPM2_PCR_VALUE_MAKE( 6, TPM2_ALG_SHA256, dN[ 6]), + TPM2_PCR_VALUE_MAKE( 7, TPM2_ALG_SHA256, dN[ 7]), + TPM2_PCR_VALUE_MAKE( 8, TPM2_ALG_SHA256, dN[ 8]), + TPM2_PCR_VALUE_MAKE( 9, TPM2_ALG_SHA256, dN[ 9]), + TPM2_PCR_VALUE_MAKE(10, TPM2_ALG_SHA256, dN[10]), + TPM2_PCR_VALUE_MAKE(11, TPM2_ALG_SHA256, dN[11]), + TPM2_PCR_VALUE_MAKE(12, TPM2_ALG_SHA256, dN[12]), + TPM2_PCR_VALUE_MAKE(13, TPM2_ALG_SHA256, dN[13]), + TPM2_PCR_VALUE_MAKE(14, TPM2_ALG_SHA256, dN[14]), + TPM2_PCR_VALUE_MAKE(15, TPM2_ALG_SHA256, dN[15]), + }; + assert_se(tpm2_calculate_policy_pcr(v2, ELEMENTSOF(v2), &d) == 0); + assert_se(digest_check(&d, "22be4f1674f792d6345cea9427701068f0e8d9f42755dcc0e927e545a68f9c13")); + assert_se(tpm2_calculate_policy_pcr(v2, ELEMENTSOF(v2), &d) == 0); + assert_se(digest_check(&d, "7481fd1b116078eb3ac2456e4ad542c9b46b9b8eb891335771ca8e7c8f8e4415")); +} + +static void check_srk_rsa_template(TPMT_PUBLIC *template) { + assert_se(template->type == TPM2_ALG_RSA); + assert_se(template->nameAlg == TPM2_ALG_SHA256); + assert_se(template->objectAttributes == 0x30472); + assert_se(template->parameters.rsaDetail.symmetric.algorithm == TPM2_ALG_AES); + assert_se(template->parameters.rsaDetail.symmetric.keyBits.sym == 128); + assert_se(template->parameters.rsaDetail.symmetric.mode.sym == TPM2_ALG_CFB); + assert_se(template->parameters.rsaDetail.scheme.scheme == TPM2_ALG_NULL); + assert_se(template->parameters.rsaDetail.keyBits == 2048); +} + +static void check_srk_ecc_template(TPMT_PUBLIC *template) { + assert_se(template->type == TPM2_ALG_ECC); + assert_se(template->nameAlg == TPM2_ALG_SHA256); + assert_se(template->objectAttributes == 0x30472); + assert_se(template->parameters.eccDetail.symmetric.algorithm == TPM2_ALG_AES); + assert_se(template->parameters.eccDetail.symmetric.keyBits.sym == 128); + assert_se(template->parameters.eccDetail.symmetric.mode.sym == TPM2_ALG_CFB); + assert_se(template->parameters.eccDetail.scheme.scheme == TPM2_ALG_NULL); + assert_se(template->parameters.eccDetail.kdf.scheme == TPM2_ALG_NULL); + assert_se(template->parameters.eccDetail.curveID == TPM2_ECC_NIST_P256); +} + +TEST(tpm2_get_srk_template) { + TPMT_PUBLIC template; + + assert_se(tpm2_get_srk_template(TPM2_ALG_RSA, &template) >= 0); + check_srk_rsa_template(&template); + + assert_se(tpm2_get_srk_template(TPM2_ALG_ECC, &template) >= 0); + check_srk_ecc_template(&template); +} + +static void check_best_srk_template(Tpm2Context *c) { + TEST_LOG_FUNC(); + + TPMT_PUBLIC template; + assert_se(tpm2_get_best_srk_template(c, &template) >= 0); + + assert_se(IN_SET(template.type, TPM2_ALG_ECC, TPM2_ALG_RSA)); + + if (template.type == TPM2_ALG_RSA) + check_srk_rsa_template(&template); + else + check_srk_ecc_template(&template); +} + +static void check_test_parms(Tpm2Context *c) { + assert(c); + + TEST_LOG_FUNC(); + + TPMU_PUBLIC_PARMS parms = { + .symDetail.sym = { + .algorithm = TPM2_ALG_AES, + .keyBits.aes = 128, + .mode.aes = TPM2_ALG_CFB, + }, + }; + + /* Test with invalid parms */ + assert_se(!tpm2_test_parms(c, TPM2_ALG_CFB, &parms)); + + TPMU_PUBLIC_PARMS invalid_parms = parms; + invalid_parms.symDetail.sym.keyBits.aes = 1; + assert_se(!tpm2_test_parms(c, TPM2_ALG_SYMCIPHER, &invalid_parms)); + + /* Test with valid parms */ + assert_se(tpm2_test_parms(c, TPM2_ALG_SYMCIPHER, &parms)); +} + +static void check_supports_alg(Tpm2Context *c) { + assert(c); + + TEST_LOG_FUNC(); + + /* Test invalid algs */ + assert_se(!tpm2_supports_alg(c, TPM2_ALG_ERROR)); + assert_se(!tpm2_supports_alg(c, TPM2_ALG_LAST + 1)); + + /* Test valid algs */ + assert_se(tpm2_supports_alg(c, TPM2_ALG_RSA)); + assert_se(tpm2_supports_alg(c, TPM2_ALG_AES)); + assert_se(tpm2_supports_alg(c, TPM2_ALG_CFB)); +} + +static void check_supports_command(Tpm2Context *c) { + assert(c); + + TEST_LOG_FUNC(); + + /* Test invalid commands. TPM specification Part 2 ("Structures") section "TPM_CC (Command Codes)" + * states bits 31:30 and 28:16 are reserved and must be 0. */ + assert_se(!tpm2_supports_command(c, UINT32_C(0x80000000))); + assert_se(!tpm2_supports_command(c, UINT32_C(0x40000000))); + assert_se(!tpm2_supports_command(c, UINT32_C(0x00100000))); + assert_se(!tpm2_supports_command(c, UINT32_C(0x80000144))); + assert_se(!tpm2_supports_command(c, UINT32_C(0x40000144))); + assert_se(!tpm2_supports_command(c, UINT32_C(0x00100144))); + + /* Test valid commands. We should be able to expect all TPMs support these. */ + assert_se(tpm2_supports_command(c, TPM2_CC_Startup)); + assert_se(tpm2_supports_command(c, TPM2_CC_StartAuthSession)); + assert_se(tpm2_supports_command(c, TPM2_CC_Create)); + assert_se(tpm2_supports_command(c, TPM2_CC_CreatePrimary)); + assert_se(tpm2_supports_command(c, TPM2_CC_Unseal)); +} + +static void check_get_or_create_srk(Tpm2Context *c) { + TEST_LOG_FUNC(); + + _cleanup_free_ TPM2B_PUBLIC *public = NULL; + _cleanup_free_ TPM2B_NAME *name = NULL, *qname = NULL; + _cleanup_(tpm2_handle_freep) Tpm2Handle *handle = NULL; + assert_se(tpm2_get_or_create_srk(c, NULL, &public, &name, &qname, &handle) >= 0); + assert_se(public && name && qname && handle); + + _cleanup_free_ TPM2B_PUBLIC *public2 = NULL; + _cleanup_free_ TPM2B_NAME *name2 = NULL, *qname2 = NULL; + _cleanup_(tpm2_handle_freep) Tpm2Handle *handle2 = NULL; + assert_se(tpm2_get_srk(c, NULL, &public2, &name2, &qname2, &handle2) >= 0); + assert_se(public2 && name2 && qname2 && handle2); + + assert_se(memcmp_nn(public, sizeof(*public), public2, sizeof(*public2)) == 0); + assert_se(memcmp_nn(name->name, name->size, name2->name, name2->size) == 0); + assert_se(memcmp_nn(qname->name, qname->size, qname2->name, qname2->size) == 0); +} + +#if HAVE_OPENSSL && OPENSSL_VERSION_MAJOR >= 3 +static void calculate_seal_and_unseal( + Tpm2Context *c, + TPM2_HANDLE parent_index, + const TPM2B_PUBLIC *parent_public) { + + _cleanup_free_ char *secret_string = NULL; + assert_se(asprintf(&secret_string, "The classified documents are in room %x", parent_index) > 0); + size_t secret_size = strlen(secret_string) + 1; + + _cleanup_free_ void *blob = NULL; + size_t blob_size = 0; + _cleanup_free_ void *serialized_parent = NULL; + size_t serialized_parent_size; + assert_se(tpm2_calculate_seal( + parent_index, + parent_public, + /* attributes= */ NULL, + secret_string, secret_size, + /* policy= */ NULL, + /* pin= */ NULL, + /* ret_secret= */ NULL, /* ret_secret_size= */ 0, + &blob, &blob_size, + &serialized_parent, &serialized_parent_size) >= 0); + + _cleanup_free_ void *unsealed_secret = NULL; + size_t unsealed_secret_size; + assert_se(tpm2_unseal( + c, + /* hash_pcr_mask= */ 0, + /* pcr_bank= */ 0, + /* pubkey= */ NULL, /* pubkey_size= */ 0, + /* pubkey_pcr_mask= */ 0, + /* signature= */ NULL, + /* pin= */ NULL, + /* pcrlock_policy= */ NULL, + /* primary_alg= */ 0, + blob, blob_size, + /* known_policy_hash= */ NULL, /* known_policy_hash_size= */ 0, + serialized_parent, serialized_parent_size, + &unsealed_secret, &unsealed_secret_size) >= 0); + + assert_se(memcmp_nn(secret_string, secret_size, unsealed_secret, unsealed_secret_size) == 0); + + char unsealed_string[unsealed_secret_size]; + assert_se(snprintf(unsealed_string, unsealed_secret_size, "%s", (char*) unsealed_secret) == (int) unsealed_secret_size - 1); + log_debug("Unsealed secret is: %s", unsealed_string); +} + +static int check_calculate_seal(Tpm2Context *c) { + assert(c); + int r; + + if (detect_virtualization() == VIRTUALIZATION_NONE && !slow_tests_enabled()) { + log_notice("Skipping slow calculate seal TPM2 tests. Physical system detected, and slow tests disabled."); + return 0; + } + + TEST_LOG_FUNC(); + + _cleanup_free_ TPM2B_PUBLIC *srk_public = NULL; + assert_se(tpm2_get_srk(c, NULL, &srk_public, NULL, NULL, NULL) >= 0); + calculate_seal_and_unseal(c, TPM2_SRK_HANDLE, srk_public); + + TPMI_ALG_ASYM test_algs[] = { TPM2_ALG_RSA, TPM2_ALG_ECC, }; + for (unsigned i = 0; i < ELEMENTSOF(test_algs); i++) { + TPMI_ALG_ASYM alg = test_algs[i]; + + TPM2B_PUBLIC template = { .size = sizeof(TPMT_PUBLIC), }; + assert_se(tpm2_get_srk_template(alg, &template.publicArea) >= 0); + + _cleanup_free_ TPM2B_PUBLIC *public = NULL; + _cleanup_(tpm2_handle_freep) Tpm2Handle *handle = NULL; + assert_se(tpm2_create_primary(c, NULL, &template, NULL, &public, &handle) >= 0); + + /* Once our minimum libtss2-esys version is 2.4.0 or later, this can assume + * tpm2_index_from_handle() should always work. */ + TPM2_HANDLE index; + r = tpm2_index_from_handle(c, handle, &index); + if (r == -EOPNOTSUPP) + return log_tests_skipped("libtss2-esys version too old to support tpm2_index_from_handle()"); + assert_se(r >= 0); + + calculate_seal_and_unseal(c, index, public); + } + + return 0; +} +#endif /* HAVE_OPENSSL && OPENSSL_VERSION_MAJOR >= 3 */ + +static void check_seal_unseal_for_handle(Tpm2Context *c, TPM2_HANDLE handle) { + TPM2B_DIGEST policy = TPM2B_DIGEST_MAKE(NULL, TPM2_SHA256_DIGEST_SIZE); + + assert(c); + + log_debug("Check seal/unseal for handle 0x%" PRIx32, handle); + + _cleanup_free_ void *secret = NULL, *blob = NULL, *srk = NULL, *unsealed_secret = NULL; + size_t secret_size, blob_size, srk_size, unsealed_secret_size; + assert_se(tpm2_seal( + c, + handle, + &policy, + /* pin= */ NULL, + &secret, &secret_size, + &blob, &blob_size, + /* ret_primary_alg= */ NULL, + &srk, &srk_size) >= 0); + + assert_se(tpm2_unseal( + c, + /* hash_pcr_mask= */ 0, + /* pcr_bank= */ 0, + /* pubkey= */ NULL, /* pubkey_size= */ 0, + /* pubkey_pcr_mask= */ 0, + /* signature= */ NULL, + /* pin= */ NULL, + /* pcrlock_policy= */ NULL, + /* primary_alg= */ 0, + blob, blob_size, + /* policy_hash= */ NULL, /* policy_hash_size= */ 0, + srk, srk_size, + &unsealed_secret, &unsealed_secret_size) >= 0); + + assert_se(memcmp_nn(secret, secret_size, unsealed_secret, unsealed_secret_size) == 0); +} + +static void check_seal_unseal(Tpm2Context *c) { + int r; + + assert(c); + + if (detect_virtualization() == VIRTUALIZATION_NONE && !slow_tests_enabled()) { + log_notice("Skipping slow seal/unseal TPM2 tests. Physical system detected, and slow tests disabled."); + return; + } + + TEST_LOG_FUNC(); + + check_seal_unseal_for_handle(c, 0); + check_seal_unseal_for_handle(c, TPM2_SRK_HANDLE); + + FOREACH_ARRAY(template, test_templates, ELEMENTSOF(test_templates)) { + TPM2B_PUBLIC public = { + .publicArea = **template, + .size = sizeof(**template), + }; + _cleanup_(tpm2_handle_freep) Tpm2Handle *transient_handle = NULL; + assert_se(tpm2_create_primary( + c, + /* session= */ NULL, + &public, + /* sensitive= */ NULL, + /* ret_public= */ NULL, + &transient_handle) >= 0); + + TPMI_DH_PERSISTENT transient_handle_index; + r = tpm2_index_from_handle(c, transient_handle, &transient_handle_index); + if (r == -EOPNOTSUPP) { + /* libesys too old */ + log_tests_skipped("libesys too old for tpm2_index_from_handle"); + return; + } + assert_se(r >= 0); + + check_seal_unseal_for_handle(c, transient_handle_index); + } +} + +TEST_RET(tests_which_require_tpm) { + _cleanup_(tpm2_context_unrefp) Tpm2Context *c = NULL; + int r = 0; + + if (tpm2_context_new(NULL, &c) < 0) + return log_tests_skipped("Could not find TPM"); + + check_test_parms(c); + check_supports_alg(c); + check_supports_command(c); + check_best_srk_template(c); + check_get_or_create_srk(c); + check_seal_unseal(c); + +#if HAVE_OPENSSL && OPENSSL_VERSION_MAJOR >= 3 /* calculating sealed object requires openssl >= 3 */ + r = check_calculate_seal(c); +#endif + + return r; +} + +#endif /* HAVE_TPM2 */ + +DEFINE_TEST_MAIN(LOG_DEBUG); |