diff options
Diffstat (limited to 'src/test/test_crypto.c')
| -rw-r--r-- | src/test/test_crypto.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/test/test_crypto.c b/src/test/test_crypto.c index 28e293743c..8aadd979ab 100644 --- a/src/test/test_crypto.c +++ b/src/test/test_crypto.c @@ -5,9 +5,13 @@ #include "orconfig.h" #define CRYPTO_PRIVATE +#define CRYPTO_CURVE25519_PRIVATE #include "or.h" #include "test.h" #include "aes.h" +#ifdef CURVE25519_ENABLED +#include "crypto_curve25519.h" +#endif /** Run unit tests for Diffie-Hellman functionality. */ static void @@ -929,6 +933,80 @@ test_crypto_hkdf_sha256(void *arg) #undef EXPAND } +#ifdef CURVE25519_ENABLED +static void +test_crypto_curve25519_impl(void *arg) +{ + /* adapted from curve25519_donna, which adapted it from test-curve25519 + version 20050915, by D. J. Bernstein, Public domain. */ + + unsigned char e1k[32]; + unsigned char e2k[32]; + unsigned char e1e2k[32]; + unsigned char e2e1k[32]; + unsigned char e1[32] = {3}; + unsigned char e2[32] = {5}; + unsigned char k[32] = {9}; + int loop, i; + const int loop_max=10000; + char *mem_op_hex_tmp = NULL; + + (void)arg; + + for (loop = 0; loop < loop_max; ++loop) { + curve25519_impl(e1k,e1,k); + curve25519_impl(e2e1k,e2,e1k); + curve25519_impl(e2k,e2,k); + curve25519_impl(e1e2k,e1,e2k); + test_memeq(e1e2k, e2e1k, 32); + if (loop == loop_max-1) { + break; + } + for (i = 0;i < 32;++i) e1[i] ^= e2k[i]; + for (i = 0;i < 32;++i) e2[i] ^= e1k[i]; + for (i = 0;i < 32;++i) k[i] ^= e1e2k[i]; + } + + test_memeq_hex(e1, + "4faf81190869fd742a33691b0e0824d5" + "7e0329f4dd2819f5f32d130f1296b500"); + test_memeq_hex(e2k, + "05aec13f92286f3a781ccae98995a3b9" + "e0544770bc7de853b38f9100489e3e79"); + test_memeq_hex(e1e2k, + "cd6e8269104eb5aaee886bd2071fba88" + "bd13861475516bc2cd2b6e005e805064"); + + done: + tor_free(mem_op_hex_tmp); +} + +static void +test_crypto_curve25519_wrappers(void *arg) +{ + curve25519_public_key_t pubkey1, pubkey2; + curve25519_secret_key_t seckey1, seckey2; + + uint8_t output1[CURVE25519_OUTPUT_LEN]; + uint8_t output2[CURVE25519_OUTPUT_LEN]; + (void)arg; + + /* Test a simple handshake, serializing and deserializing some stuff. */ + curve25519_secret_key_generate(&seckey1, 0); + curve25519_secret_key_generate(&seckey2, 0); + curve25519_public_key_generate(&pubkey1, &seckey1); + curve25519_public_key_generate(&pubkey2, &seckey2); + test_assert(curve25519_public_key_is_ok(&pubkey1)); + test_assert(curve25519_public_key_is_ok(&pubkey2)); + curve25519_handshake(output1, &seckey1, &pubkey2); + curve25519_handshake(output2, &seckey2, &pubkey1); + test_memeq(output1, output2, sizeof(output1)); + + done: + ; +} +#endif + static void * pass_data_setup_fn(const struct testcase_t *testcase) { @@ -962,6 +1040,10 @@ struct testcase_t crypto_tests[] = { CRYPTO_LEGACY(base32_decode), { "kdf_TAP", test_crypto_kdf_TAP, 0, NULL, NULL }, { "hkdf_sha256", test_crypto_hkdf_sha256, 0, NULL, NULL }, +#ifdef CURVE25519_ENABLED + { "curve25519_impl", test_crypto_curve25519_impl, 0, NULL, NULL }, + { "curve25519_wrappers", test_crypto_curve25519_wrappers, 0, NULL, NULL }, +#endif END_OF_TESTCASES }; |