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// 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_openssl.h"
#include <string>
#include "testing/gtest/include/gtest/gtest.h"
namespace {
#if defined(USE_OPENSSL)
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());
}
#endif
} // namespace
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