| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "crypto/aead.h" |
| |
| #include <string> |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace { |
| |
| TEST(AeadTest, SealOpen) { |
| crypto::Aead aead(crypto::Aead::AES_128_CTR_HMAC_SHA256); |
| std::string key(aead.KeyLength(), 0); |
| aead.Init(&key); |
| std::string nonce(aead.NonceLength(), 0); |
| std::string plaintext("this is the plaintext"); |
| std::string ad("this is the additional data"); |
| std::string ciphertext; |
| EXPECT_TRUE(aead.Seal(plaintext, nonce, ad, &ciphertext)); |
| EXPECT_LT(0U, ciphertext.size()); |
| |
| std::string decrypted; |
| EXPECT_TRUE(aead.Open(ciphertext, nonce, ad, &decrypted)); |
| |
| EXPECT_EQ(plaintext, decrypted); |
| } |
| |
| TEST(AeadTest, SealOpenWrongKey) { |
| crypto::Aead aead(crypto::Aead::AES_128_CTR_HMAC_SHA256); |
| std::string key(aead.KeyLength(), 0); |
| std::string wrong_key(aead.KeyLength(), 1); |
| aead.Init(&key); |
| crypto::Aead aead_wrong_key(crypto::Aead::AES_128_CTR_HMAC_SHA256); |
| aead_wrong_key.Init(&wrong_key); |
| |
| std::string nonce(aead.NonceLength(), 0); |
| std::string plaintext("this is the plaintext"); |
| std::string ad("this is the additional data"); |
| std::string ciphertext; |
| EXPECT_TRUE(aead.Seal(plaintext, nonce, ad, &ciphertext)); |
| EXPECT_LT(0U, ciphertext.size()); |
| |
| std::string decrypted; |
| EXPECT_FALSE(aead_wrong_key.Open(ciphertext, nonce, ad, &decrypted)); |
| EXPECT_EQ(0U, decrypted.size()); |
| } |
| |
| } // namespace |