// Copyright (c) 2019, 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 #include #include "../../crypto/internal.h" #include "../../crypto/test/test_util.h" struct BlowfishTestCase { uint8_t key[16]; uint8_t plaintext[16]; uint8_t iv[8]; uint8_t ecb_ciphertext[16]; uint8_t cbc_ciphertext[24]; uint8_t cfb_ciphertext[16]; }; static const BlowfishTestCase kTests[] = { // Randomly generated test cases. Checked against vanilla OpenSSL. { {0xbb, 0x56, 0xb1, 0x27, 0x7c, 0x4c, 0xdd, 0x5a, 0x99, 0x90, 0x1e, 0x6f, 0xeb, 0x36, 0x6c, 0xf3}, {0xa6, 0x5b, 0xe0, 0x99, 0xad, 0x5d, 0x91, 0x98, 0x37, 0xc1, 0xa4, 0x7f, 0x01, 0x24, 0x9a, 0x6b}, {0xd5, 0x8a, 0x5c, 0x29, 0xeb, 0xee, 0xed, 0x76}, {0xda, 0x6e, 0x18, 0x9c, 0x03, 0x59, 0x12, 0x61, 0xfa, 0x20, 0xd9, 0xce, 0xee, 0x43, 0x9d, 0x05}, {0x4f, 0x8b, 0x3e, 0x17, 0xa5, 0x35, 0x9b, 0xcb, 0xdf, 0x3c, 0x52, 0xfb, 0xe5, 0x20, 0xdd, 0x53, 0xd5, 0xf8, 0x1a, 0x6c, 0xf0, 0x99, 0x34, 0x94}, {0xfd, 0x65, 0xc5, 0xa6, 0x07, 0x07, 0xb5, 0xf3, 0x2e, 0xfb, 0x12, 0xc3, 0x7f, 0x45, 0x37, 0x54}, }, { {0x5d, 0x98, 0xa9, 0xd2, 0x27, 0x5d, 0xc8, 0x8c, 0x8c, 0xee, 0x23, 0x7f, 0x8e, 0x2b, 0xd4, 0x8d}, {0x60, 0xec, 0x31, 0xda, 0x25, 0x07, 0x02, 0x14, 0x84, 0x44, 0x96, 0xa6, 0x04, 0x81, 0xca, 0x4e}, {0x96, 0x4c, 0xa4, 0x07, 0xee, 0x1c, 0xd1, 0xfb}, {0x83, 0x8a, 0xef, 0x18, 0x53, 0x96, 0xec, 0xf3, 0xf4, 0xd9, 0xe8, 0x4b, 0x2c, 0x3f, 0xe7, 0x27}, {0xad, 0x78, 0x70, 0x06, 0x2e, 0x5e, 0xa5, 0x21, 0xdd, 0xe8, 0xa0, 0xb9, 0xdb, 0x0c, 0x81, 0x1d, 0x0a, 0xd3, 0xa9, 0x63, 0x78, 0xac, 0x82, 0x64}, {0x43, 0x2f, 0xf3, 0x23, 0xf4, 0x5c, 0xbf, 0x05, 0x53, 0x3c, 0x9e, 0xd6, 0xd3, 0xd2, 0xc0, 0xf0}, }, }; TEST(Blowfish, ECB) { unsigned test_num = 0; for (const auto &test : kTests) { test_num++; SCOPED_TRACE(test_num); uint8_t out[sizeof(test.ecb_ciphertext)]; int out_bytes, final_bytes; bssl::ScopedEVP_CIPHER_CTX ctx; ASSERT_TRUE(EVP_EncryptInit_ex(ctx.get(), EVP_bf_ecb(), nullptr, test.key, nullptr)); ASSERT_TRUE(EVP_CIPHER_CTX_set_padding(ctx.get(), 0 /* no padding */)); ASSERT_TRUE(EVP_EncryptUpdate(ctx.get(), out, &out_bytes, test.plaintext, sizeof(test.plaintext))); ASSERT_TRUE(EVP_EncryptFinal_ex(ctx.get(), out + out_bytes, &final_bytes)); EXPECT_EQ(static_cast(out_bytes + final_bytes), sizeof(test.plaintext)); EXPECT_EQ(Bytes(test.ecb_ciphertext), Bytes(out)); bssl::ScopedEVP_CIPHER_CTX decrypt_ctx; ASSERT_TRUE(EVP_DecryptInit_ex(decrypt_ctx.get(), EVP_bf_ecb(), nullptr, test.key, nullptr)); ASSERT_TRUE( EVP_CIPHER_CTX_set_padding(decrypt_ctx.get(), 0 /* no padding */)); ASSERT_TRUE(EVP_DecryptUpdate(decrypt_ctx.get(), out, &out_bytes, test.ecb_ciphertext, sizeof(test.ecb_ciphertext))); ASSERT_TRUE( EVP_DecryptFinal_ex(decrypt_ctx.get(), out + out_bytes, &final_bytes)); EXPECT_EQ(static_cast(out_bytes + final_bytes), sizeof(test.plaintext)); EXPECT_EQ(Bytes(test.plaintext), Bytes(out)); } } TEST(Blowfish, CBC) { unsigned test_num = 0; for (const auto &test : kTests) { test_num++; SCOPED_TRACE(test_num); uint8_t out[sizeof(test.cbc_ciphertext)]; int out_bytes, final_bytes; bssl::ScopedEVP_CIPHER_CTX ctx; ASSERT_TRUE(EVP_EncryptInit_ex(ctx.get(), EVP_bf_cbc(), nullptr, test.key, test.iv)); ASSERT_TRUE(EVP_EncryptUpdate(ctx.get(), out, &out_bytes, test.plaintext, sizeof(test.plaintext))); EXPECT_TRUE(EVP_EncryptFinal_ex(ctx.get(), out + out_bytes, &final_bytes)); EXPECT_EQ(static_cast(out_bytes + final_bytes), sizeof(test.cbc_ciphertext)); EXPECT_EQ(Bytes(test.cbc_ciphertext), Bytes(out)); bssl::ScopedEVP_CIPHER_CTX decrypt_ctx; ASSERT_TRUE(EVP_DecryptInit_ex(decrypt_ctx.get(), EVP_bf_cbc(), nullptr, test.key, test.iv)); ASSERT_TRUE(EVP_DecryptUpdate(decrypt_ctx.get(), out, &out_bytes, test.cbc_ciphertext, sizeof(test.cbc_ciphertext))); EXPECT_TRUE( EVP_DecryptFinal_ex(decrypt_ctx.get(), out + out_bytes, &final_bytes)); EXPECT_EQ(static_cast(out_bytes + final_bytes), sizeof(test.plaintext)); EXPECT_EQ(Bytes(test.plaintext), Bytes(out, out_bytes + final_bytes)); } } TEST(Blowfish, CFB) { unsigned test_num = 0; for (const auto &test : kTests) { test_num++; SCOPED_TRACE(test_num); uint8_t out[sizeof(test.cfb_ciphertext)]; int out_bytes, final_bytes; bssl::ScopedEVP_CIPHER_CTX ctx; ASSERT_TRUE(EVP_EncryptInit_ex(ctx.get(), EVP_bf_cfb(), nullptr, test.key, test.iv)); ASSERT_TRUE(EVP_EncryptUpdate(ctx.get(), out, &out_bytes, test.plaintext, sizeof(test.plaintext))); ASSERT_TRUE(EVP_EncryptFinal_ex(ctx.get(), out + out_bytes, &final_bytes)); EXPECT_EQ(static_cast(out_bytes + final_bytes), sizeof(test.plaintext)); EXPECT_EQ(Bytes(test.cfb_ciphertext), Bytes(out)); bssl::ScopedEVP_CIPHER_CTX decrypt_ctx; ASSERT_TRUE(EVP_DecryptInit_ex(decrypt_ctx.get(), EVP_bf_cfb(), nullptr, test.key, test.iv)); ASSERT_TRUE(EVP_DecryptUpdate(decrypt_ctx.get(), out, &out_bytes, test.cfb_ciphertext, sizeof(test.cfb_ciphertext))); ASSERT_TRUE( EVP_DecryptFinal_ex(decrypt_ctx.get(), out + out_bytes, &final_bytes)); EXPECT_EQ(static_cast(out_bytes + final_bytes), sizeof(test.plaintext)); EXPECT_EQ(Bytes(test.plaintext), Bytes(out)); } }