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// Copyright (c) 2010 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 "chrome/browser/sync/util/nigori.h"
#include <string>
#include "base/scoped_ptr.h"
#include "base/string_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace browser_sync {
namespace {
TEST(NigoriTest, Permute) {
Nigori nigori;
EXPECT_TRUE(nigori.InitByDerivation("example.com", "username", "password"));
std::string permuted;
EXPECT_TRUE(nigori.Permute(Nigori::Password, "test name",
&permuted));
std::string expected =
"prewwdJj2PrGDczvmsHJEE5ndcCyVze8sY9kD5hjY/Tm"
"c5kOjXFK7zB3Ss4LlHjEDirMu+vh85JwHOnGrMVe+g==";
EXPECT_EQ(expected, permuted);
}
TEST(NigoriTest, PermuteIsConstant) {
Nigori nigori1;
EXPECT_TRUE(nigori1.InitByDerivation("example.com", "username", "password"));
std::string permuted1;
EXPECT_TRUE(nigori1.Permute(Nigori::Password,
"name",
&permuted1));
Nigori nigori2;
EXPECT_TRUE(nigori2.InitByDerivation("example.com", "username", "password"));
std::string permuted2;
EXPECT_TRUE(nigori2.Permute(Nigori::Password,
"name",
&permuted2));
EXPECT_LT(0U, permuted1.size());
EXPECT_EQ(permuted1, permuted2);
}
TEST(NigoriTest, EncryptDifferentIv) {
Nigori nigori;
EXPECT_TRUE(nigori.InitByDerivation("example.com", "username", "password"));
std::string plaintext("value");
std::string encrypted1;
EXPECT_TRUE(nigori.Encrypt(plaintext, &encrypted1));
std::string encrypted2;
EXPECT_TRUE(nigori.Encrypt(plaintext, &encrypted2));
EXPECT_NE(encrypted1, encrypted2);
}
TEST(NigoriTest, Decrypt) {
Nigori nigori;
EXPECT_TRUE(nigori.InitByDerivation("example.com", "username", "password"));
std::string encrypted =
"e7+JyS6ibj6F5qqvpseukNRTZ+oBpu5iuv2VYjOfrH1dNiFLNf7Ov0"
"kx/zicKFn0lJcbG1UmkNWqIuR4x+quDNVuLaZGbrJPhrJuj7cokCM=";
std::string plaintext;
EXPECT_TRUE(nigori.Decrypt(encrypted, &plaintext));
std::string expected("test, test, 1, 2, 3");
EXPECT_EQ(expected, plaintext);
}
TEST(NigoriTest, EncryptDecrypt) {
Nigori nigori;
EXPECT_TRUE(nigori.InitByDerivation("example.com", "username", "password"));
std::string plaintext("value");
std::string encrypted;
EXPECT_TRUE(nigori.Encrypt(plaintext, &encrypted));
std::string decrypted;
EXPECT_TRUE(nigori.Decrypt(encrypted, &decrypted));
EXPECT_EQ(plaintext, decrypted);
}
TEST(NigoriTest, CorruptedIv) {
Nigori nigori;
EXPECT_TRUE(nigori.InitByDerivation("example.com", "username", "password"));
std::string plaintext("test");
std::string encrypted;
EXPECT_TRUE(nigori.Encrypt(plaintext, &encrypted));
// Corrupt the IV by changing one of its byte.
encrypted[0] = (encrypted[0] == 'a' ? 'b' : 'a');
std::string decrypted;
EXPECT_TRUE(nigori.Decrypt(encrypted, &decrypted));
EXPECT_NE(plaintext, decrypted);
}
TEST(NigoriTest, CorruptedCiphertext) {
Nigori nigori;
EXPECT_TRUE(nigori.InitByDerivation("example.com", "username", "password"));
std::string plaintext("test");
std::string encrypted;
EXPECT_TRUE(nigori.Encrypt(plaintext, &encrypted));
// Corrput the ciphertext by changing one of its bytes.
encrypted[Nigori::kIvSize + 10] =
(encrypted[Nigori::kIvSize + 10] == 'a' ? 'b' : 'a');
std::string decrypted;
EXPECT_FALSE(nigori.Decrypt(encrypted, &decrypted));
EXPECT_NE(plaintext, decrypted);
}
// Crashes, Bug 55180.
#if defined(OS_WIN)
#define MAYBE_ExportImport DISABLED_ExportImport
#else
#define MAYBE_ExportImport ExportImport
#endif
TEST(NigoriTest, MAYBE_ExportImport) {
Nigori nigori1;
EXPECT_TRUE(nigori1.InitByDerivation("example.com", "username", "password"));
std::string user_key;
std::string encryption_key;
std::string mac_key;
EXPECT_TRUE(nigori1.ExportKeys(&user_key, &encryption_key, &mac_key));
Nigori nigori2;
EXPECT_TRUE(nigori2.InitByImport(user_key, encryption_key, mac_key));
std::string original("test");
std::string plaintext;
std::string ciphertext;
EXPECT_TRUE(nigori1.Encrypt(original, &ciphertext));
EXPECT_TRUE(nigori2.Decrypt(ciphertext, &plaintext));
EXPECT_EQ(original, plaintext);
EXPECT_TRUE(nigori2.Encrypt(original, &ciphertext));
EXPECT_TRUE(nigori1.Decrypt(ciphertext, &plaintext));
EXPECT_EQ(original, plaintext);
std::string permuted1, permuted2;
EXPECT_TRUE(nigori1.Permute(Nigori::Password, original, &permuted1));
EXPECT_TRUE(nigori2.Permute(Nigori::Password, original, &permuted2));
EXPECT_EQ(permuted1, permuted2);
}
} // anonymous namespace
} // namespace browser_sync
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