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- // 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 <openssl/cipher.h>
-
- #include <gtest/gtest.h>
-
- #include "../../crypto/internal.h"
- #include "../../crypto/test/test_util.h"
-
- struct TestCase {
- 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 TestCase 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<size_t>(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<size_t>(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<size_t>(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<size_t>(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<size_t>(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<size_t>(out_bytes + final_bytes),
- sizeof(test.plaintext));
- EXPECT_EQ(Bytes(test.plaintext), Bytes(out));
- }
- }
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