Daniel Erat | 59c5f4b | 2015-08-24 12:50:25 -0600 | [diff] [blame] | 1 | // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "crypto/aead_openssl.h" |
| 6 | |
| 7 | #include <string> |
| 8 | |
| 9 | #include "testing/gtest/include/gtest/gtest.h" |
| 10 | |
| 11 | namespace { |
| 12 | |
| 13 | #if defined(USE_OPENSSL) |
| 14 | |
| 15 | TEST(AeadTest, SealOpen) { |
| 16 | crypto::Aead aead(crypto::Aead::AES_128_CTR_HMAC_SHA256); |
| 17 | std::string key(aead.KeyLength(), 0); |
| 18 | aead.Init(&key); |
| 19 | std::string nonce(aead.NonceLength(), 0); |
| 20 | std::string plaintext("this is the plaintext"); |
| 21 | std::string ad("this is the additional data"); |
| 22 | std::string ciphertext; |
| 23 | EXPECT_TRUE(aead.Seal(plaintext, nonce, ad, &ciphertext)); |
| 24 | EXPECT_LT(0U, ciphertext.size()); |
| 25 | |
| 26 | std::string decrypted; |
| 27 | EXPECT_TRUE(aead.Open(ciphertext, nonce, ad, &decrypted)); |
| 28 | |
| 29 | EXPECT_EQ(plaintext, decrypted); |
| 30 | } |
| 31 | |
| 32 | TEST(AeadTest, SealOpenWrongKey) { |
| 33 | crypto::Aead aead(crypto::Aead::AES_128_CTR_HMAC_SHA256); |
| 34 | std::string key(aead.KeyLength(), 0); |
| 35 | std::string wrong_key(aead.KeyLength(), 1); |
| 36 | aead.Init(&key); |
| 37 | crypto::Aead aead_wrong_key(crypto::Aead::AES_128_CTR_HMAC_SHA256); |
| 38 | aead_wrong_key.Init(&wrong_key); |
| 39 | |
| 40 | std::string nonce(aead.NonceLength(), 0); |
| 41 | std::string plaintext("this is the plaintext"); |
| 42 | std::string ad("this is the additional data"); |
| 43 | std::string ciphertext; |
| 44 | EXPECT_TRUE(aead.Seal(plaintext, nonce, ad, &ciphertext)); |
| 45 | EXPECT_LT(0U, ciphertext.size()); |
| 46 | |
| 47 | std::string decrypted; |
| 48 | EXPECT_FALSE(aead_wrong_key.Open(ciphertext, nonce, ad, &decrypted)); |
| 49 | EXPECT_EQ(0U, decrypted.size()); |
| 50 | } |
| 51 | |
| 52 | #endif |
| 53 | |
| 54 | } // namespace |