| /* Copyright (c) 2018, Google Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| |
| #include <stdint.h> |
| |
| #include <gtest/gtest.h> |
| |
| #include "../../crypto/test/abi_test.h" |
| #include "sike.h" |
| #include "fpx.h" |
| |
| TEST(SIKE, RoundTrip) { |
| uint8_t sk[SIKEp503_PRV_BYTESZ] = {0}; |
| uint8_t pk[SIKEp503_PUB_BYTESZ] = {0}; |
| uint8_t ct[SIKEp503_CT_BYTESZ] = {0}; |
| uint8_t ss_enc[SIKEp503_SS_BYTESZ] = {0}; |
| uint8_t ss_dec[SIKEp503_SS_BYTESZ] = {0}; |
| |
| EXPECT_EQ(SIKE_keypair(sk, pk), 1); |
| SIKE_encaps(ss_enc, ct, pk); |
| SIKE_decaps(ss_dec, ct, pk, sk); |
| |
| EXPECT_EQ(memcmp(ss_enc, ss_dec, SIKEp503_SS_BYTESZ), 0); |
| } |
| |
| TEST(SIKE, Decapsulation) { |
| const uint8_t sk[SIKEp503_PRV_BYTESZ] = { |
| 0xDB, 0xAF, 0x2C, 0x89, 0xCA, 0x5A, 0xD4, 0x9D, 0x4F, 0x13, |
| 0x40, 0xDF, 0x2D, 0xB1, 0x5F, 0x4C, 0x91, 0xA7, 0x1F, 0x0B, |
| 0x29, 0x15, 0x01, 0x59, 0xBC, 0x5F, 0x0B, 0x4A, 0x03, 0x27, |
| 0x6F, 0x18}; |
| |
| const uint8_t pk[SIKEp503_PUB_BYTESZ] = { |
| 0x07, 0xAA, 0x51, 0x45, 0x3E, 0x1F, 0x53, 0x2A, 0x0A, 0x05, |
| 0x46, 0xF6, 0x54, 0x7F, 0x5D, 0x56, 0xD6, 0x76, 0xD3, 0xEA, |
| 0x4B, 0x6B, 0x01, 0x9B, 0x11, 0x72, 0x6F, 0x75, 0xEA, 0x34, |
| 0x3C, 0x28, 0x2C, 0x36, 0xFD, 0x77, 0xDA, 0xBE, 0xB6, 0x20, |
| 0x18, 0xC1, 0x93, 0x98, 0x18, 0x86, 0x30, 0x2F, 0x2E, 0xD2, |
| 0x00, 0x61, 0xFF, 0xAE, 0x78, 0xAE, 0xFB, 0x6F, 0x32, 0xAC, |
| 0x06, 0xBF, 0x35, 0xF6, 0xF7, 0x5B, 0x98, 0x26, 0x95, 0xC2, |
| 0xD8, 0xD6, 0x1C, 0x0E, 0x47, 0xDA, 0x76, 0xCE, 0xB5, 0xF1, |
| 0x19, 0xCC, 0x01, 0xE1, 0x17, 0xA9, 0x62, 0xF7, 0x82, 0x6C, |
| 0x25, 0x51, 0x25, 0xAE, 0xFE, 0xE3, 0xE2, 0xE1, 0x35, 0xAE, |
| 0x2E, 0x8F, 0x38, 0xE0, 0x7C, 0x74, 0x3C, 0x1D, 0x39, 0x91, |
| 0x1B, 0xC7, 0x9F, 0x8E, 0x33, 0x4E, 0x84, 0x19, 0xB8, 0xD9, |
| 0xC2, 0x71, 0x35, 0x02, 0x47, 0x3E, 0x79, 0xEF, 0x47, 0xE1, |
| 0xD8, 0x21, 0x96, 0x1F, 0x11, 0x59, 0x39, 0x34, 0x76, 0xEF, |
| 0x3E, 0xB7, 0x4E, 0xFB, 0x7C, 0x55, 0xA1, 0x85, 0xAA, 0xAB, |
| 0xAD, 0xF0, 0x09, 0xCB, 0xD1, 0xE3, 0x7C, 0x4F, 0x5D, 0x2D, |
| 0xE1, 0x13, 0xF0, 0x71, 0xD9, 0xE5, 0xF6, 0xAF, 0x7F, 0xC1, |
| 0x27, 0x95, 0x8D, 0x52, 0xD5, 0x96, 0x42, 0x38, 0x41, 0xF7, |
| 0x24, 0x3F, 0x3A, 0xB5, 0x7E, 0x11, 0xE4, 0xF9, 0x33, 0xEE, |
| 0x4D, 0xBE, 0x74, 0x48, 0xF9, 0x98, 0x04, 0x01, 0x16, 0xEB, |
| 0xA9, 0x0D, 0x61, 0xC6, 0xFD, 0x4C, 0xCF, 0x98, 0x84, 0x4A, |
| 0x94, 0xAC, 0x69, 0x2C, 0x02, 0x8B, 0xE3, 0xD1, 0x41, 0x0D, |
| 0xF2, 0x2D, 0x46, 0x1F, 0x57, 0x1C, 0x77, 0x86, 0x18, 0xE3, |
| 0x63, 0xDE, 0xF3, 0xE3, 0x02, 0x30, 0x54, 0x73, 0xAE, 0xC2, |
| 0x32, 0xA2, 0xCE, 0xEB, 0xCF, 0x81, 0x46, 0x54, 0x5C, 0xF4, |
| 0x5D, 0x2A, 0x03, 0x5D, 0x9C, 0xAE, 0xE0, 0x60, 0x03, 0x80, |
| 0x11, 0x30, 0xA5, 0xAA, 0xD1, 0x75, 0x67, 0xE0, 0x1C, 0x2B, |
| 0x6B, 0x5D, 0x83, 0xDE, 0x92, 0x9B, 0x0E, 0xD7, 0x11, 0x0F, |
| 0x00, 0xC4, 0x59, 0xE4, 0x81, 0x04, 0x3B, 0xEE, 0x5C, 0x04, |
| 0xD1, 0x0E, 0xD0, 0x67, 0xF5, 0xCC, 0xAA, 0x72, 0x73, 0xEA, |
| 0xC4, 0x76, 0x99, 0x3B, 0x4C, 0x90, 0x2F, 0xCB, 0xD8, 0x0A, |
| 0x5B, 0xEC, 0x0E, 0x0E, 0x1F, 0x59, 0xEA, 0x14, 0x8D, 0x34, |
| 0x53, 0x65, 0x4C, 0x1A, 0x59, 0xA8, 0x95, 0x66, 0x60, 0xBB, |
| 0xC4, 0xCC, 0x32, 0xA9, 0x8D, 0x2A, 0xAA, 0x14, 0x6F, 0x0F, |
| 0x81, 0x4D, 0x32, 0x02, 0xFD, 0x33, 0x58, 0x42, 0xCF, 0xF3, |
| 0x67, 0xD0, 0x9F, 0x0B, 0xB1, 0xCC, 0x18, 0xA5, 0xC4, 0x19, |
| 0xB6, 0x00, 0xED, 0xFA, 0x32, 0x1A, 0x5F, 0x67, 0xC8, 0xC3, |
| 0xEB, 0x0D, 0xB5, 0x9A, 0x36, 0x47, 0x82, 0x00}; |
| |
| const uint8_t ct_exp[SIKEp503_CT_BYTESZ] = { |
| 0xE6, 0xB7, 0xE5, 0x7B, 0xA9, 0x19, 0xD1, 0x2C, 0xB8, 0x5C, |
| 0x7B, 0x66, 0x74, 0xB0, 0x71, 0xA1, 0xFF, 0x71, 0x7F, 0x4B, |
| 0xB5, 0xA6, 0xAF, 0x48, 0x32, 0x52, 0xD5, 0x82, 0xEE, 0x8A, |
| 0xBB, 0x08, 0x1E, 0xF6, 0xAC, 0x91, 0xA2, 0xCB, 0x6B, 0x6A, |
| 0x09, 0x2B, 0xD9, 0xC6, 0x27, 0xD6, 0x3A, 0x6B, 0x8D, 0xFC, |
| 0xB8, 0x90, 0x8F, 0x72, 0xB3, 0xFA, 0x7D, 0x34, 0x7A, 0xC4, |
| 0x7E, 0xE3, 0x30, 0xC5, 0xA0, 0xFE, 0x3D, 0x43, 0x14, 0x4E, |
| 0x3A, 0x14, 0x76, 0x3E, 0xFB, 0xDF, 0xE3, 0xA8, 0xE3, 0x5E, |
| 0x38, 0xF2, 0xE0, 0x39, 0x67, 0x60, 0xFD, 0xFB, 0xB4, 0x19, |
| 0xCD, 0xE1, 0x93, 0xA2, 0x06, 0xCC, 0x65, 0xCD, 0x6E, 0xC8, |
| 0xB4, 0x5E, 0x41, 0x4B, 0x6C, 0xA5, 0xF4, 0xE4, 0x9D, 0x52, |
| 0x8C, 0x25, 0x60, 0xDD, 0x3D, 0xA9, 0x7F, 0xF2, 0x88, 0xC1, |
| 0x0C, 0xEE, 0x97, 0xE0, 0xE7, 0x3B, 0xB7, 0xD3, 0x6F, 0x28, |
| 0x79, 0x2F, 0x50, 0xB2, 0x4F, 0x74, 0x3A, 0x0C, 0x88, 0x27, |
| 0x98, 0x3A, 0x27, 0xD3, 0x26, 0x83, 0x59, 0x49, 0x81, 0x5B, |
| 0x0D, 0xA7, 0x0C, 0x4F, 0xEF, 0xFB, 0x1E, 0xAF, 0xE9, 0xD2, |
| 0x1C, 0x10, 0x25, 0xEC, 0x9E, 0xFA, 0x57, 0x36, 0xAA, 0x3F, |
| 0xC1, 0xA3, 0x2C, 0xE9, 0xB5, 0xC9, 0xED, 0x72, 0x51, 0x4C, |
| 0x02, 0xB4, 0x7B, 0xB3, 0xED, 0x9F, 0x45, 0x03, 0x34, 0xAC, |
| 0x9A, 0x9E, 0x62, 0x5F, 0x82, 0x7A, 0x77, 0x34, 0xF9, 0x21, |
| 0x94, 0xD2, 0x38, 0x3D, 0x05, 0xF0, 0x8A, 0x60, 0x1C, 0xB7, |
| 0x1D, 0xF5, 0xB7, 0x53, 0x77, 0xD3, 0x9D, 0x3D, 0x70, 0x6A, |
| 0xCB, 0x18, 0x20, 0x6B, 0x29, 0x17, 0x3A, 0x6D, 0xA1, 0xB2, |
| 0x64, 0xDB, 0x6C, 0xE6, 0x1A, 0x95, 0xA7, 0xF4, 0x1A, 0x78, |
| 0x1D, 0xA2, 0x40, 0x15, 0x41, 0x59, 0xDD, 0xEE, 0x23, 0x57, |
| 0xCE, 0x36, 0x0D, 0x55, 0xBD, 0xB8, 0xFD, 0x0F, 0x35, 0xBD, |
| 0x5B, 0x92, 0xD6, 0x1C, 0x84, 0x8C, 0x32, 0x64, 0xA6, 0x5C, |
| 0x45, 0x18, 0x07, 0x6B, 0xF9, 0xA9, 0x43, 0x9A, 0x83, 0xCD, |
| 0xB5, 0xB3, 0xD9, 0x17, 0x99, 0x2C, 0x2A, 0x8B, 0xE0, 0x8E, |
| 0xAF, 0xA6, 0x4C, 0x95, 0xBB, 0x70, 0x60, 0x1A, 0x3A, 0x97, |
| 0xAA, 0x2F, 0x3D, 0x22, 0x83, 0xB7, 0x4F, 0x59, 0xED, 0x3F, |
| 0x4E, 0xF4, 0x19, 0xC6, 0x25, 0x0B, 0x0A, 0x5E, 0x21, 0xB9, |
| 0x91, 0xB8, 0x19, 0x84, 0x48, 0x78, 0xCE, 0x27, 0xBF, 0x41, |
| 0x89, 0xF6, 0x30, 0xFD, 0x6B, 0xD9, 0xB8, 0x1D, 0x72, 0x8A, |
| 0x56, 0xCC, 0x2F, 0x82, 0xE4, 0x46, 0x4D, 0x75, 0xD8, 0x92, |
| 0xE6, 0x9C, 0xCC, 0xD2, 0xCD, 0x35, 0xE4, 0xFC, 0x2A, 0x85, |
| 0x6B, 0xA9, 0xB2, 0x27, 0xC9, 0xA1, 0xFF, 0xB3, 0x96, 0x3E, |
| 0x59, 0xF6, 0x4C, 0x66, 0x56, 0x2E, 0xF5, 0x1B, 0x97, 0x32, |
| 0xB0, 0x71, 0x5A, 0x9C, 0x50, 0x4B, 0x6F, 0xC4, 0xCA, 0x94, |
| 0x75, 0x37, 0x46, 0x10, 0x12, 0x2F, 0x4F, 0xA3, 0x82, 0xCD, |
| 0xBD, 0x7C}; |
| |
| const uint8_t ss_exp[SIKEp503_SS_BYTESZ] = { |
| 0x74, 0x3D, 0x25, 0x36, 0x00, 0x24, 0x63, 0x1A, 0x39, 0x1A, |
| 0xB4, 0xAD, 0x01, 0x17, 0x78, 0xE9}; |
| |
| uint8_t ss_dec[SIKEp503_SS_BYTESZ] = {0}; |
| SIKE_decaps(ss_dec, ct_exp, pk, sk); |
| EXPECT_EQ(memcmp(ss_dec, ss_exp, sizeof(ss_exp)), 0); |
| } |
| |
| // SIKE_encaps and SIKE_keypair doesn't return zeros. |
| TEST(SIKE, NonZero) { |
| uint8_t sk[SIKEp503_PRV_BYTESZ] = {0}; |
| uint8_t pk[SIKEp503_PUB_BYTESZ] = {0}; |
| uint8_t ct[SIKEp503_CT_BYTESZ] = {0}; |
| uint8_t ss[SIKEp503_SS_BYTESZ] = {0}; |
| |
| // Check secret and public key returned by SIKE_keypair |
| EXPECT_EQ(SIKE_keypair(sk, pk), 1); |
| uint8_t tmp = 0; |
| for (size_t i=0; i<sizeof(sk); i++) tmp|=sk[i]; |
| EXPECT_NE(tmp, 0); |
| |
| tmp = 0; |
| for (size_t i=0; i<sizeof(pk); i++) tmp|=pk[i]; |
| EXPECT_NE(tmp, 0); |
| |
| // Check shared secret and ciphertext returned by SIKE_encaps |
| SIKE_encaps(ss, ct, pk); |
| tmp = 0; |
| for (size_t i=0; i<sizeof(ct); i++) tmp|=ct[i]; |
| EXPECT_NE(tmp, 0); |
| |
| tmp = 0; |
| for (size_t i=0; i<sizeof(ss); i++) tmp|=ss[i]; |
| EXPECT_NE(tmp, 0); |
| } |
| |
| TEST(SIKE, Negative) { |
| uint8_t sk[SIKEp503_PRV_BYTESZ] = {0}; |
| uint8_t pk[SIKEp503_PUB_BYTESZ] = {0}; |
| uint8_t ct[SIKEp503_CT_BYTESZ] = {0}; |
| uint8_t ss_enc[SIKEp503_SS_BYTESZ] = {0}; |
| uint8_t ss_dec[SIKEp503_SS_BYTESZ] = {0}; |
| |
| EXPECT_EQ(SIKE_keypair(sk, pk), 1); |
| SIKE_encaps(ss_enc, ct, pk); |
| |
| // Change cipertext |
| uint8_t ct_tmp[SIKEp503_CT_BYTESZ] = {0}; |
| memcpy(ct_tmp, ct, sizeof(ct)); |
| ct_tmp[0] = ~ct_tmp[0]; |
| SIKE_decaps(ss_dec, ct_tmp, pk, sk); |
| EXPECT_NE(memcmp(ss_enc, ss_dec, SIKEp503_SS_BYTESZ), 0); |
| |
| // Change secret key |
| uint8_t sk_tmp[SIKEp503_PRV_BYTESZ] = {0}; |
| memcpy(sk_tmp, sk, sizeof(sk)); |
| sk_tmp[0] = ~sk_tmp[0]; |
| SIKE_decaps(ss_dec, ct, pk, sk_tmp); |
| EXPECT_NE(memcmp(ss_enc, ss_dec, SIKEp503_SS_BYTESZ), 0); |
| |
| // Change public key |
| uint8_t pk_tmp[SIKEp503_PUB_BYTESZ] = {0}; |
| memcpy(pk_tmp, pk, sizeof(pk)); |
| pk_tmp[0] = ~pk_tmp[0]; |
| SIKE_decaps(ss_dec, ct, pk_tmp, sk); |
| EXPECT_NE(memcmp(ss_enc, ss_dec, SIKEp503_SS_BYTESZ), 0); |
| } |
| |
| TEST(SIKE, Unaligned) { |
| alignas(4) uint8_t priv[SIKEp503_PRV_BYTESZ + 1]; |
| alignas(4) uint8_t pub[SIKEp503_PUB_BYTESZ + 1]; |
| alignas(4) uint8_t shared_key1[SIKEp503_SS_BYTESZ + 1]; |
| alignas(4) uint8_t ciphertext[SIKEp503_CT_BYTESZ + 1]; |
| alignas(4) uint8_t shared_key2[SIKEp503_SS_BYTESZ + 1]; |
| |
| ASSERT_TRUE(SIKE_keypair(priv + 1, pub + 1)); |
| SIKE_encaps(shared_key1 + 1, ciphertext + 1, pub + 1); |
| SIKE_decaps(shared_key2 + 1, ciphertext + 1, pub + 1, priv + 1); |
| |
| EXPECT_EQ(memcmp(shared_key1 + 1, shared_key2 + 1, SIKEp503_SS_BYTESZ), 0); |
| } |
| |
| #if defined(SUPPORTS_ABI_TEST) && (defined(OPENSSL_X86_64) || defined(OPENSSL_AARCH64)) |
| TEST(SIKE, ABI) { |
| felm_t a, b, c; |
| dfelm_t d, e, f; |
| CHECK_ABI(sike_fpadd, a, b, c); |
| CHECK_ABI(sike_fpsub, a, b, c); |
| CHECK_ABI(sike_mpmul, a, b, d); |
| CHECK_ABI(sike_fprdc, d, a); |
| CHECK_ABI(sike_mpadd_asm, a, b, c); |
| CHECK_ABI(sike_mpsubx2_asm, d, e, f); |
| CHECK_ABI(sike_mpdblsubx2_asm, d, e, f); |
| } |
| #endif // SUPPORTS_ABI_TEST && (X86_64 || AARCH64) |
