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.
5 #include "crypto/aead.h"
9 #include "testing/gtest/include/gtest/gtest.h"
13 TEST(AeadTest, SealOpen) {
14 crypto::Aead aead(crypto::Aead::AES_128_CTR_HMAC_SHA256);
15 std::string key(aead.KeyLength(), 0);
17 std::string nonce(aead.NonceLength(), 0);
18 std::string plaintext("this is the plaintext");
19 std::string ad("this is the additional data");
20 std::string ciphertext;
21 EXPECT_TRUE(aead.Seal(plaintext, nonce, ad, &ciphertext));
22 EXPECT_LT(0U, ciphertext.size());
24 std::string decrypted;
25 EXPECT_TRUE(aead.Open(ciphertext, nonce, ad, &decrypted));
27 EXPECT_EQ(plaintext, decrypted);
30 TEST(AeadTest, SealOpenWrongKey) {
31 crypto::Aead aead(crypto::Aead::AES_128_CTR_HMAC_SHA256);
32 std::string key(aead.KeyLength(), 0);
33 std::string wrong_key(aead.KeyLength(), 1);
35 crypto::Aead aead_wrong_key(crypto::Aead::AES_128_CTR_HMAC_SHA256);
36 aead_wrong_key.Init(&wrong_key);
38 std::string nonce(aead.NonceLength(), 0);
39 std::string plaintext("this is the plaintext");
40 std::string ad("this is the additional data");
41 std::string ciphertext;
42 EXPECT_TRUE(aead.Seal(plaintext, nonce, ad, &ciphertext));
43 EXPECT_LT(0U, ciphertext.size());
45 std::string decrypted;
46 EXPECT_FALSE(aead_wrong_key.Open(ciphertext, nonce, ad, &decrypted));
47 EXPECT_EQ(0U, decrypted.size());