| /* ==================================================================== |
| * Copyright (c) 2008 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * openssl-core@openssl.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== */ |
| |
| // Per C99, various stdint.h and inttypes.h macros (the latter used by |
| // internal.h) are unavailable in C++ unless some macros are defined. C++11 |
| // overruled this decision, but older Android NDKs still require it. |
| #if !defined(__STDC_CONSTANT_MACROS) |
| #define __STDC_CONSTANT_MACROS |
| #endif |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <vector> |
| |
| #include <gtest/gtest.h> |
| |
| #include <openssl/aes.h> |
| |
| #include "internal.h" |
| #include "../../test/file_test.h" |
| #include "../../test/test_util.h" |
| |
| |
| TEST(GCMTest, TestVectors) { |
| FileTestGTest("crypto/fipsmodule/modes/gcm_tests.txt", [](FileTest *t) { |
| std::vector<uint8_t> key, plaintext, additional_data, nonce, ciphertext, |
| tag; |
| ASSERT_TRUE(t->GetBytes(&key, "Key")); |
| ASSERT_TRUE(t->GetBytes(&plaintext, "Plaintext")); |
| ASSERT_TRUE(t->GetBytes(&additional_data, "AdditionalData")); |
| ASSERT_TRUE(t->GetBytes(&nonce, "Nonce")); |
| ASSERT_TRUE(t->GetBytes(&ciphertext, "Ciphertext")); |
| ASSERT_TRUE(t->GetBytes(&tag, "Tag")); |
| |
| ASSERT_EQ(plaintext.size(), ciphertext.size()); |
| ASSERT_TRUE(key.size() == 16 || key.size() == 24 || key.size() == 32); |
| ASSERT_EQ(16u, tag.size()); |
| |
| std::vector<uint8_t> out(plaintext.size()); |
| AES_KEY aes_key; |
| ASSERT_EQ(0, AES_set_encrypt_key(key.data(), key.size() * 8, &aes_key)); |
| |
| GCM128_CONTEXT ctx; |
| OPENSSL_memset(&ctx, 0, sizeof(ctx)); |
| CRYPTO_gcm128_init_key(&ctx.gcm_key, &aes_key, (block128_f)AES_encrypt, 0); |
| CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce.data(), nonce.size()); |
| if (!additional_data.empty()) { |
| CRYPTO_gcm128_aad(&ctx, additional_data.data(), additional_data.size()); |
| } |
| if (!plaintext.empty()) { |
| CRYPTO_gcm128_encrypt(&ctx, &aes_key, plaintext.data(), out.data(), |
| plaintext.size()); |
| } |
| ASSERT_TRUE(CRYPTO_gcm128_finish(&ctx, tag.data(), tag.size())); |
| EXPECT_EQ(Bytes(ciphertext), Bytes(out)); |
| |
| CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce.data(), nonce.size()); |
| OPENSSL_memset(out.data(), 0, out.size()); |
| if (!additional_data.empty()) { |
| CRYPTO_gcm128_aad(&ctx, additional_data.data(), additional_data.size()); |
| } |
| if (!ciphertext.empty()) { |
| CRYPTO_gcm128_decrypt(&ctx, &aes_key, ciphertext.data(), out.data(), |
| ciphertext.size()); |
| } |
| ASSERT_TRUE(CRYPTO_gcm128_finish(&ctx, tag.data(), tag.size())); |
| EXPECT_EQ(Bytes(plaintext), Bytes(out)); |
| }); |
| } |
| |
| TEST(GCMTest, ByteSwap) { |
| EXPECT_EQ(0x04030201u, CRYPTO_bswap4(0x01020304u)); |
| EXPECT_EQ(UINT64_C(0x0807060504030201), |
| CRYPTO_bswap8(UINT64_C(0x0102030405060708))); |
| } |