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HKDF-SHA256 test vectors from RFC5869

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This commit is contained in:
Nick Mathewson 2016-05-03 10:43:20 -04:00
parent 5845c22822
commit df3a5e0cad
1 changed files with 88 additions and 1 deletions
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89
src/test/test_crypto.c
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@ -1624,12 +1624,98 @@ test_crypto_hkdf_sha256(void *arg)
"b206fa34e5bc78d063fc291501beec53b36e5a0e434561200c" "b206fa34e5bc78d063fc291501beec53b36e5a0e434561200c"
"5f8bd13e0f88b3459600b4dc21d69363e2895321c06184879d" "5f8bd13e0f88b3459600b4dc21d69363e2895321c06184879d"
"94b18f078411be70b767c7fc40679a9440a0c95ea83a23efbf"); "94b18f078411be70b767c7fc40679a9440a0c95ea83a23efbf");
done: done:
tor_free(mem_op_hex_tmp); tor_free(mem_op_hex_tmp);
#undef EXPAND #undef EXPAND
} }
static void
test_crypto_hkdf_sha256_testvecs(void *arg)
{
(void) arg;
/* Test vectors from RFC5869, sections A.1 through A.3 */
const struct {
const char *ikm16, *salt16, *info16;
int L;
const char *okm16;
} vecs[] = {
{ /* from A.1 */
"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
"000102030405060708090a0b0c",
"f0f1f2f3f4f5f6f7f8f9",
42,
"3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf"
"34007208d5b887185865"
},
{ /* from A.2 */
"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f"
"202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f"
"404142434445464748494a4b4c4d4e4f",
"606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f"
"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f"
"a0a1a2a3a4a5a6a7a8a9aaabacadaeaf",
"b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
"d0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeef"
"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
82,
"b11e398dc80327a1c8e7f78c596a49344f012eda2d4efad8a050cc4c19afa97c"
"59045a99cac7827271cb41c65e590e09da3275600c2f09b8367793a9aca3db71"
"cc30c58179ec3e87c14c01d5c1f3434f1d87"
},
{ /* from A.3 */
"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
"",
"",
42,
"8da4e775a563c18f715f802a063c5a31b8a11f5c5ee1879ec3454e5f3c738d2d"
"9d201395faa4b61a96c8",
},
{ NULL, NULL, NULL, -1, NULL }
};
int i;
char *ikm = NULL;
char *salt = NULL;
char *info = NULL;
char *okm = NULL;
char *mem_op_hex_tmp = NULL;
for (i = 0; vecs[i].ikm16; ++i) {
size_t ikm_len = strlen(vecs[i].ikm16)/2;
size_t salt_len = strlen(vecs[i].salt16)/2;
size_t info_len = strlen(vecs[i].info16)/2;
size_t okm_len = vecs[i].L;
ikm = tor_malloc(ikm_len);
salt = tor_malloc(salt_len);
info = tor_malloc(info_len);
okm = tor_malloc(okm_len);
base16_decode(ikm, ikm_len, vecs[i].ikm16, strlen(vecs[i].ikm16));
base16_decode(salt, salt_len, vecs[i].salt16, strlen(vecs[i].salt16));
base16_decode(info, info_len, vecs[i].info16, strlen(vecs[i].info16));
int r = crypto_expand_key_material_rfc5869_sha256(
(const uint8_t*)ikm, ikm_len,
(const uint8_t*)salt, salt_len,
(const uint8_t*)info, info_len,
(uint8_t*)okm, okm_len);
tt_int_op(r, OP_EQ, 0);
test_memeq_hex(okm, vecs[i].okm16);
tor_free(ikm);
tor_free(salt);
tor_free(info);
tor_free(okm);
}
done:
tor_free(ikm);
tor_free(salt);
tor_free(info);
tor_free(okm);
tor_free(mem_op_hex_tmp);
}
static void static void
test_crypto_curve25519_impl(void *arg) test_crypto_curve25519_impl(void *arg)
{ {
@ -2636,6 +2722,7 @@ struct testcase_t crypto_tests[] = {
CRYPTO_LEGACY(base32_decode), CRYPTO_LEGACY(base32_decode),
{ "kdf_TAP", test_crypto_kdf_TAP, 0, NULL, NULL }, { "kdf_TAP", test_crypto_kdf_TAP, 0, NULL, NULL },
{ "hkdf_sha256", test_crypto_hkdf_sha256, 0, NULL, NULL }, { "hkdf_sha256", test_crypto_hkdf_sha256, 0, NULL, NULL },
{ "hkdf_sha256_testvecs", test_crypto_hkdf_sha256_testvecs, 0, NULL, NULL },
{ "curve25519_impl", test_crypto_curve25519_impl, 0, NULL, NULL }, { "curve25519_impl", test_crypto_curve25519_impl, 0, NULL, NULL },
{ "curve25519_impl_hibit", test_crypto_curve25519_impl, 0, NULL, (void*)"y"}, { "curve25519_impl_hibit", test_crypto_curve25519_impl, 0, NULL, (void*)"y"},
{ "curve25516_testvec", test_crypto_curve25519_testvec, 0, NULL, NULL }, { "curve25516_testvec", test_crypto_curve25519_testvec, 0, NULL, NULL },