Robert Sloan | 4c22c5f | 2019-03-01 15:53:37 -0800 | [diff] [blame] | 1 | // Copyright (c) 2019, Google Inc. |
| 2 | // |
| 3 | // Permission to use, copy, modify, and/or distribute this software for any |
| 4 | // purpose with or without fee is hereby granted, provided that the above |
| 5 | // copyright notice and this permission notice appear in all copies. |
| 6 | // |
| 7 | // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 8 | // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 9 | // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 10 | // SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 11 | // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 12 | // OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 13 | // CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 14 | |
| 15 | #include <openssl/cipher.h> |
| 16 | |
| 17 | #include <gtest/gtest.h> |
| 18 | |
| 19 | #include "../../crypto/internal.h" |
| 20 | #include "../../crypto/test/test_util.h" |
| 21 | |
Srinivas Paladugu | dd42a61 | 2019-08-09 19:30:39 +0000 | [diff] [blame^] | 22 | struct TestCase { |
Robert Sloan | 4c22c5f | 2019-03-01 15:53:37 -0800 | [diff] [blame] | 23 | uint8_t key[16]; |
| 24 | uint8_t plaintext[16]; |
| 25 | uint8_t iv[8]; |
| 26 | uint8_t ecb_ciphertext[16]; |
| 27 | uint8_t cbc_ciphertext[24]; |
| 28 | uint8_t cfb_ciphertext[16]; |
| 29 | }; |
| 30 | |
Srinivas Paladugu | dd42a61 | 2019-08-09 19:30:39 +0000 | [diff] [blame^] | 31 | static const TestCase kTests[] = { |
Robert Sloan | 4c22c5f | 2019-03-01 15:53:37 -0800 | [diff] [blame] | 32 | // Randomly generated test cases. Checked against vanilla OpenSSL. |
| 33 | { |
| 34 | {0xbb, 0x56, 0xb1, 0x27, 0x7c, 0x4c, 0xdd, 0x5a, 0x99, 0x90, 0x1e, 0x6f, |
| 35 | 0xeb, 0x36, 0x6c, 0xf3}, |
| 36 | {0xa6, 0x5b, 0xe0, 0x99, 0xad, 0x5d, 0x91, 0x98, 0x37, 0xc1, 0xa4, 0x7f, |
| 37 | 0x01, 0x24, 0x9a, 0x6b}, |
| 38 | {0xd5, 0x8a, 0x5c, 0x29, 0xeb, 0xee, 0xed, 0x76}, |
| 39 | {0xda, 0x6e, 0x18, 0x9c, 0x03, 0x59, 0x12, 0x61, 0xfa, 0x20, 0xd9, 0xce, |
| 40 | 0xee, 0x43, 0x9d, 0x05}, |
| 41 | {0x4f, 0x8b, 0x3e, 0x17, 0xa5, 0x35, 0x9b, 0xcb, |
| 42 | 0xdf, 0x3c, 0x52, 0xfb, 0xe5, 0x20, 0xdd, 0x53, |
| 43 | 0xd5, 0xf8, 0x1a, 0x6c, 0xf0, 0x99, 0x34, 0x94}, |
| 44 | {0xfd, 0x65, 0xc5, 0xa6, 0x07, 0x07, 0xb5, 0xf3, 0x2e, 0xfb, 0x12, 0xc3, |
| 45 | 0x7f, 0x45, 0x37, 0x54}, |
| 46 | }, |
| 47 | { |
| 48 | {0x5d, 0x98, 0xa9, 0xd2, 0x27, 0x5d, 0xc8, 0x8c, 0x8c, 0xee, 0x23, 0x7f, |
| 49 | 0x8e, 0x2b, 0xd4, 0x8d}, |
| 50 | {0x60, 0xec, 0x31, 0xda, 0x25, 0x07, 0x02, 0x14, 0x84, 0x44, 0x96, 0xa6, |
| 51 | 0x04, 0x81, 0xca, 0x4e}, |
| 52 | {0x96, 0x4c, 0xa4, 0x07, 0xee, 0x1c, 0xd1, 0xfb}, |
| 53 | {0x83, 0x8a, 0xef, 0x18, 0x53, 0x96, 0xec, 0xf3, 0xf4, 0xd9, 0xe8, 0x4b, |
| 54 | 0x2c, 0x3f, 0xe7, 0x27}, |
| 55 | {0xad, 0x78, 0x70, 0x06, 0x2e, 0x5e, 0xa5, 0x21, |
| 56 | 0xdd, 0xe8, 0xa0, 0xb9, 0xdb, 0x0c, 0x81, 0x1d, |
| 57 | 0x0a, 0xd3, 0xa9, 0x63, 0x78, 0xac, 0x82, 0x64}, |
| 58 | {0x43, 0x2f, 0xf3, 0x23, 0xf4, 0x5c, 0xbf, 0x05, 0x53, 0x3c, 0x9e, 0xd6, |
| 59 | 0xd3, 0xd2, 0xc0, 0xf0}, |
| 60 | }, |
| 61 | }; |
| 62 | |
| 63 | TEST(Blowfish, ECB) { |
| 64 | unsigned test_num = 0; |
| 65 | for (const auto &test : kTests) { |
| 66 | test_num++; |
| 67 | SCOPED_TRACE(test_num); |
| 68 | |
| 69 | uint8_t out[sizeof(test.ecb_ciphertext)]; |
| 70 | int out_bytes, final_bytes; |
| 71 | |
| 72 | bssl::ScopedEVP_CIPHER_CTX ctx; |
| 73 | ASSERT_TRUE(EVP_EncryptInit_ex(ctx.get(), EVP_bf_ecb(), nullptr, test.key, |
| 74 | nullptr)); |
| 75 | ASSERT_TRUE(EVP_CIPHER_CTX_set_padding(ctx.get(), 0 /* no padding */)); |
| 76 | ASSERT_TRUE(EVP_EncryptUpdate(ctx.get(), out, &out_bytes, test.plaintext, |
| 77 | sizeof(test.plaintext))); |
| 78 | ASSERT_TRUE(EVP_EncryptFinal_ex(ctx.get(), out + out_bytes, &final_bytes)); |
| 79 | EXPECT_EQ(static_cast<size_t>(out_bytes + final_bytes), |
| 80 | sizeof(test.plaintext)); |
| 81 | EXPECT_EQ(Bytes(test.ecb_ciphertext), Bytes(out)); |
| 82 | |
| 83 | bssl::ScopedEVP_CIPHER_CTX decrypt_ctx; |
| 84 | ASSERT_TRUE(EVP_DecryptInit_ex(decrypt_ctx.get(), EVP_bf_ecb(), nullptr, |
| 85 | test.key, nullptr)); |
| 86 | ASSERT_TRUE( |
| 87 | EVP_CIPHER_CTX_set_padding(decrypt_ctx.get(), 0 /* no padding */)); |
| 88 | ASSERT_TRUE(EVP_DecryptUpdate(decrypt_ctx.get(), out, &out_bytes, |
| 89 | test.ecb_ciphertext, |
| 90 | sizeof(test.ecb_ciphertext))); |
| 91 | ASSERT_TRUE( |
| 92 | EVP_DecryptFinal_ex(decrypt_ctx.get(), out + out_bytes, &final_bytes)); |
| 93 | EXPECT_EQ(static_cast<size_t>(out_bytes + final_bytes), |
| 94 | sizeof(test.plaintext)); |
| 95 | EXPECT_EQ(Bytes(test.plaintext), Bytes(out)); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | TEST(Blowfish, CBC) { |
| 100 | unsigned test_num = 0; |
| 101 | for (const auto &test : kTests) { |
| 102 | test_num++; |
| 103 | SCOPED_TRACE(test_num); |
| 104 | |
| 105 | uint8_t out[sizeof(test.cbc_ciphertext)]; |
| 106 | int out_bytes, final_bytes; |
| 107 | |
| 108 | bssl::ScopedEVP_CIPHER_CTX ctx; |
| 109 | ASSERT_TRUE(EVP_EncryptInit_ex(ctx.get(), EVP_bf_cbc(), nullptr, test.key, |
| 110 | test.iv)); |
| 111 | ASSERT_TRUE(EVP_EncryptUpdate(ctx.get(), out, &out_bytes, test.plaintext, |
| 112 | sizeof(test.plaintext))); |
| 113 | EXPECT_TRUE(EVP_EncryptFinal_ex(ctx.get(), out + out_bytes, &final_bytes)); |
| 114 | EXPECT_EQ(static_cast<size_t>(out_bytes + final_bytes), |
| 115 | sizeof(test.cbc_ciphertext)); |
| 116 | EXPECT_EQ(Bytes(test.cbc_ciphertext), Bytes(out)); |
| 117 | |
| 118 | bssl::ScopedEVP_CIPHER_CTX decrypt_ctx; |
| 119 | ASSERT_TRUE(EVP_DecryptInit_ex(decrypt_ctx.get(), EVP_bf_cbc(), nullptr, |
| 120 | test.key, test.iv)); |
| 121 | ASSERT_TRUE(EVP_DecryptUpdate(decrypt_ctx.get(), out, &out_bytes, |
| 122 | test.cbc_ciphertext, |
| 123 | sizeof(test.cbc_ciphertext))); |
| 124 | EXPECT_TRUE( |
| 125 | EVP_DecryptFinal_ex(decrypt_ctx.get(), out + out_bytes, &final_bytes)); |
| 126 | EXPECT_EQ(static_cast<size_t>(out_bytes + final_bytes), |
| 127 | sizeof(test.plaintext)); |
| 128 | EXPECT_EQ(Bytes(test.plaintext), Bytes(out, out_bytes + final_bytes)); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | TEST(Blowfish, CFB) { |
| 133 | unsigned test_num = 0; |
| 134 | for (const auto &test : kTests) { |
| 135 | test_num++; |
| 136 | SCOPED_TRACE(test_num); |
| 137 | |
| 138 | uint8_t out[sizeof(test.cfb_ciphertext)]; |
| 139 | int out_bytes, final_bytes; |
| 140 | |
| 141 | bssl::ScopedEVP_CIPHER_CTX ctx; |
| 142 | ASSERT_TRUE(EVP_EncryptInit_ex(ctx.get(), EVP_bf_cfb(), nullptr, test.key, |
| 143 | test.iv)); |
| 144 | ASSERT_TRUE(EVP_EncryptUpdate(ctx.get(), out, &out_bytes, test.plaintext, |
| 145 | sizeof(test.plaintext))); |
| 146 | ASSERT_TRUE(EVP_EncryptFinal_ex(ctx.get(), out + out_bytes, &final_bytes)); |
| 147 | EXPECT_EQ(static_cast<size_t>(out_bytes + final_bytes), |
| 148 | sizeof(test.plaintext)); |
| 149 | EXPECT_EQ(Bytes(test.cfb_ciphertext), Bytes(out)); |
| 150 | |
| 151 | bssl::ScopedEVP_CIPHER_CTX decrypt_ctx; |
| 152 | ASSERT_TRUE(EVP_DecryptInit_ex(decrypt_ctx.get(), EVP_bf_cfb(), nullptr, |
| 153 | test.key, test.iv)); |
| 154 | ASSERT_TRUE(EVP_DecryptUpdate(decrypt_ctx.get(), out, &out_bytes, |
| 155 | test.cfb_ciphertext, |
| 156 | sizeof(test.cfb_ciphertext))); |
| 157 | ASSERT_TRUE( |
| 158 | EVP_DecryptFinal_ex(decrypt_ctx.get(), out + out_bytes, &final_bytes)); |
| 159 | EXPECT_EQ(static_cast<size_t>(out_bytes + final_bytes), |
| 160 | sizeof(test.plaintext)); |
| 161 | EXPECT_EQ(Bytes(test.plaintext), Bytes(out)); |
| 162 | } |
| 163 | } |