blob: c65a288204c95b1934b01b97e991d14347e40b51 [file] [log] [blame]
// Copyright (c) 2012 The Chromium OS 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 "shill/crypto_des_cbc.h"
#include <string>
#include <base/files/file_util.h>
#include <base/files/scoped_temp_dir.h>
#include <gtest/gtest.h>
#include "shill/glib.h"
using base::FilePath;
using std::string;
using std::vector;
using testing::Test;
namespace shill {
namespace {
const char kTestKey[] = "12345678";
const char kTestIV[] = "abcdefgh";
const char kEmptyPlain[] = "";
const char kEmptyCipher[] = "02:4+O1a2KJVRM=";
const char kEmptyCipherNoSentinel[] = "02:lNRDa8O1tpM=";
const char kPlainText[] = "Hello world! ~123";
const char kCipherText[] = "02:MbxzeBqK3HVeS3xfjyhbe47Xx+szYgOp";
const char kPlainVersion1[] = "This is a test!";
const char kCipherVersion1[] = "bKlHDISdHMFfmfgBTT5I0w==";
} // namespace
class CryptoDESCBCTest : public Test {
public:
CryptoDESCBCTest() : crypto_(&glib_) {}
protected:
GLib glib_; // Use actual GLib for the test.
CryptoDESCBC crypto_;
};
TEST_F(CryptoDESCBCTest, GetID) {
EXPECT_EQ(CryptoDESCBC::kID, crypto_.GetID());
}
TEST_F(CryptoDESCBCTest, LoadKeyMatter) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
const char kKeyMatterFile[] = "key-matter-file";
FilePath key_matter = temp_dir.path().Append(kKeyMatterFile);
EXPECT_FALSE(crypto_.LoadKeyMatter(key_matter));
EXPECT_TRUE(crypto_.key().empty());
EXPECT_TRUE(crypto_.iv().empty());
string matter = string(kTestIV) + kTestKey;
base::WriteFile(key_matter, matter.data(), matter.size() - 1);
EXPECT_FALSE(crypto_.LoadKeyMatter(key_matter));
EXPECT_TRUE(crypto_.key().empty());
EXPECT_TRUE(crypto_.iv().empty());
base::WriteFile(key_matter, matter.data(), matter.size());
EXPECT_TRUE(crypto_.LoadKeyMatter(key_matter));
EXPECT_EQ(kTestKey, string(crypto_.key().begin(), crypto_.key().end()));
EXPECT_EQ(kTestIV, string(crypto_.iv().begin(), crypto_.iv().end()));
const char kKey2[] = "ABCDEFGH";
const char kIV2[] = "87654321";
matter = string("X") + kIV2 + kKey2;
base::WriteFile(key_matter, matter.data(), matter.size());
EXPECT_TRUE(crypto_.LoadKeyMatter(key_matter));
EXPECT_EQ(kKey2, string(crypto_.key().begin(), crypto_.key().end()));
EXPECT_EQ(kIV2, string(crypto_.iv().begin(), crypto_.iv().end()));
base::WriteFile(key_matter, " ", 1);
EXPECT_FALSE(crypto_.LoadKeyMatter(key_matter));
EXPECT_TRUE(crypto_.key().empty());
EXPECT_TRUE(crypto_.iv().empty());
}
TEST_F(CryptoDESCBCTest, Encrypt) {
crypto_.key_.assign(kTestKey, kTestKey + strlen(kTestKey));
crypto_.iv_.assign(kTestIV, kTestIV + strlen(kTestIV));
string ciphertext;
EXPECT_FALSE(crypto_.Encrypt(kPlainText, &ciphertext));
}
TEST_F(CryptoDESCBCTest, Decrypt) {
crypto_.key_.assign(kTestKey, kTestKey + strlen(kTestKey));
crypto_.iv_.assign(kTestIV, kTestIV + strlen(kTestIV));
string plaintext;
EXPECT_TRUE(crypto_.Decrypt(kEmptyCipher, &plaintext));
EXPECT_EQ(kEmptyPlain, plaintext);
EXPECT_TRUE(crypto_.Decrypt(kCipherText, &plaintext));
EXPECT_EQ(kPlainText, plaintext);
EXPECT_TRUE(crypto_.Decrypt(kCipherVersion1, &plaintext));
EXPECT_EQ(kPlainVersion1, plaintext);
EXPECT_FALSE(crypto_.Decrypt("random", &plaintext));
EXPECT_FALSE(crypto_.Decrypt("02:random", &plaintext));
EXPECT_FALSE(crypto_.Decrypt("~", &plaintext));
EXPECT_FALSE(crypto_.Decrypt("02:~", &plaintext));
EXPECT_FALSE(crypto_.Decrypt(kEmptyPlain, &plaintext));
EXPECT_FALSE(crypto_.Decrypt(kEmptyCipherNoSentinel, &plaintext));
// echo -n 12345678 | base64
EXPECT_FALSE(crypto_.Decrypt("MTIzNDU2Nzg=", &plaintext));
}
} // namespace shill