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#include "base/base.h"
#include "base/encryptor.h"
#include "base/password_manager.h"
#include "base/util.h"
#include "testing/base/public/googletest.h"
#include "testing/base/public/gunit.h"
DECLARE_string(test_tmpdir);
namespace mozc {
namespace {
struct TestData {
const char *password;
size_t password_size;
const char *salt;
size_t salt_size;
const char *iv;
const char *input;
size_t input_size;
const char *encrypted;
size_t encrypted_size;
};
const TestData kTestData[] = {
{
"\x66\x6F\x6F\x68\x6F\x67\x65", 7,
"\x73\x61\x6C\x74", 4,
"\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31",
"\x66\x6F\x6F", 3,
"\x27\x32\x66\x88\x82\x33\x78\x80\x58\x29\xBF\xDD\x46\x9A\xCC\x87", 16
},
{
"\x70\x61\x73\x73\x77\x6F\x72\x64", 8,
"\x73\x61\x6C\x74", 4,
"\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31",
"\x61", 1,
"\x2A\xA1\x73\xB0\x91\x1C\x22\x40\x55\xDB\xAB\xC0\x77\x39\xE6\x57", 16
},
{
"\x70\x61\x73\x73\x77\x6F\x72\x64", 8,
"\x73\x61\x6C\x74", 4,
"\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31\x31",
"\x74\x65\x73\x74", 4,
"\x13\x16\x0A\xA4\x2B\xA3\x02\xC4\xEF\x47\x98\x6D\x9F\xC9\xAD\x43", 16
},
{
"\x70\x61\x73\x73\x77\x6F\x72\x64", 8,
"\x73\x61\x6C\x74", 4,
"\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x61\x62\x63\x64\x65\x66",
"\x64\x68\x6F\x69\x66\x61\x73\x6F\x69\x66\x61\x6F\x69\x73\x68\x64"
"\x6F\x69\x66\x61\x68\x73\x6F\x69\x66\x64\x68\x61\x6F\x69\x73\x68"
"\x66\x69\x6F\x61\x73\x68\x64\x6F\x69\x66\x61\x68\x69\x73\x6F\x64"
"\x66\x68\x61\x69\x6F\x73\x68\x64\x66\x69\x6F\x61", 60,
"\x27\x92\xD1\x4F\xCE\x71\xFF\xA0\x9E\x52\xAB\x96\xB4\x5D\x1A\x2F"
"\xE0\xC7\xB3\x92\xD7\xB8\x29\xB0\xEF\xD3\x51\x9F\xBD\x87\xE0\xB4"
"\x0A\x06\xE0\x9A\x03\x72\x48\xB3\x8F\x9A\x5E\xAC\xCD\x5D\xB8\x0B"
"\x01\x1D\x2C\xD7\xAA\x55\x05\x0F\x4E\xD5\x73\xC0\xCB\xE2\x10\x69", 64
}
};
}
TEST(EncryptorTest, VerificationTest) {
kUseMockPasswordManager = true;
{
const string password(kTestData[0].password, kTestData[0].password_size);
const string salt(kTestData[0].salt, kTestData[0].salt_size);
Encryptor::Key key1, key2;
EXPECT_TRUE(key1.DeriveFromPassword(
password, salt,
reinterpret_cast<const uint8 *>(kTestData[0].iv)));
EXPECT_TRUE(key1.IsAvailable());
EXPECT_TRUE(key2.DeriveFromPassword(
password, salt,
reinterpret_cast<const uint8 *>(kTestData[0].iv)));
EXPECT_TRUE(key2.IsAvailable());
string input(kTestData[0].input, kTestData[0].input_size);
const string encrypted(kTestData[0].encrypted, kTestData[0].encrypted_size);
const string decrypted(input.data(), input.size());
EXPECT_TRUE(Encryptor::EncryptString(key1, &input));
EXPECT_EQ(encrypted, input);
EXPECT_TRUE(Encryptor::DecryptString(key2, &input));
EXPECT_EQ(decrypted, input);
}
{
const string password(kTestData[1].password, kTestData[1].password_size);
const string salt(kTestData[1].salt, kTestData[1].salt_size);
Encryptor::Key key1, key2;
EXPECT_TRUE(key1.DeriveFromPassword(
password, salt,
reinterpret_cast<const uint8 *>(kTestData[1].iv)));
EXPECT_TRUE(key1.IsAvailable());
EXPECT_TRUE(key2.DeriveFromPassword(
password, salt,
reinterpret_cast<const uint8 *>(kTestData[1].iv)));
EXPECT_TRUE(key2.IsAvailable());
string input(kTestData[1].input, kTestData[1].input_size);
const string encrypted(kTestData[1].encrypted, kTestData[1].encrypted_size);
const string decrypted(input.data(), input.size());
EXPECT_TRUE(Encryptor::EncryptString(key1, &input));
EXPECT_EQ(encrypted, input);
EXPECT_TRUE(Encryptor::DecryptString(key2, &input));
EXPECT_EQ(decrypted, input);
}
{
const string password(kTestData[2].password, kTestData[2].password_size);
const string salt(kTestData[2].salt, kTestData[2].salt_size);
Encryptor::Key key1, key2;
EXPECT_TRUE(key1.DeriveFromPassword(
password, salt,
reinterpret_cast<const uint8 *>(kTestData[2].iv)));
EXPECT_TRUE(key1.IsAvailable());
EXPECT_TRUE(key2.DeriveFromPassword(
password, salt,
reinterpret_cast<const uint8 *>(kTestData[2].iv)));
EXPECT_TRUE(key2.IsAvailable());
string input(kTestData[2].input, kTestData[2].input_size);
const string encrypted(kTestData[2].encrypted, kTestData[2].encrypted_size);
const string decrypted(input.data(), input.size());
EXPECT_TRUE(Encryptor::EncryptString(key1, &input));
EXPECT_EQ(encrypted, input);
EXPECT_TRUE(Encryptor::DecryptString(key2, &input));
EXPECT_EQ(decrypted, input);
}
{
const string password(kTestData[3].password, kTestData[3].password_size);
const string salt(kTestData[3].salt, kTestData[3].salt_size);
Encryptor::Key key1, key2;
EXPECT_TRUE(key1.DeriveFromPassword(
password, salt,
reinterpret_cast<const uint8 *>(kTestData[3].iv)));
EXPECT_TRUE(key1.IsAvailable());
EXPECT_TRUE(key2.DeriveFromPassword(
password, salt,
reinterpret_cast<const uint8 *>(kTestData[3].iv)));
EXPECT_TRUE(key2.IsAvailable());
string input(kTestData[3].input, kTestData[3].input_size);
const string encrypted(kTestData[3].encrypted, kTestData[3].encrypted_size);
const string decrypted(input.data(), input.size());
EXPECT_TRUE(Encryptor::EncryptString(key1, &input));
EXPECT_EQ(encrypted, input);
EXPECT_TRUE(Encryptor::DecryptString(key2, &input));
EXPECT_EQ(decrypted, input);
}
}
TEST(EncryptorTest, BasicTest) {
kUseMockPasswordManager = true;
Encryptor::Key key;
EXPECT_FALSE(key.DeriveFromPassword(""));
EXPECT_FALSE(key.IsAvailable());
EXPECT_TRUE(key.DeriveFromPassword("test"));
EXPECT_TRUE(key.IsAvailable());
EXPECT_EQ(16, key.block_size());
EXPECT_EQ(256, key.key_size());
EXPECT_EQ(16, key.iv_size());
}
TEST(EncryptorTest, EncryptBatch) {
kUseMockPasswordManager = true;
const size_t kSizeTable[] = { 1, 10, 16, 32, 100, 1000, 1600,
10000, 16000, 100000 };
for (size_t i = 0; i < arraysize(kSizeTable); ++i) {
scoped_array<char> buf(new char[kSizeTable[i]]);
Util::GetSecureRandomSequence(buf.get(), kSizeTable[i]);
Encryptor::Key key1, key2, key3, key4;
EXPECT_TRUE(key1.DeriveFromPassword("test", "salt"));
EXPECT_TRUE(key2.DeriveFromPassword("test", "salt"));
EXPECT_TRUE(key3.DeriveFromPassword("test", "salt2")); // wrong salt
EXPECT_TRUE(key4.DeriveFromPassword("test2", "salt")); // wrong key
EXPECT_TRUE(key1.IsAvailable());
EXPECT_TRUE(key2.IsAvailable());
EXPECT_TRUE(key3.IsAvailable());
EXPECT_TRUE(key4.IsAvailable());
string original(buf.get(), kSizeTable[i]);
// enfoce to copy. disable reference counting
string encrypted(original.data(), original.size());
EXPECT_TRUE(Encryptor::EncryptString(key1, &encrypted));
EXPECT_EQ(0, encrypted.size() % key1.block_size());
EXPECT_NE(encrypted, original);
string encrypted3(encrypted.data(), encrypted.size());
string encrypted4(encrypted.data(), encrypted.size());
EXPECT_TRUE(Encryptor::DecryptString(key2, &encrypted));
EXPECT_EQ(original.size(), encrypted.size());
EXPECT_EQ(original, encrypted);
// wrong key
Encryptor::DecryptString(key3, &encrypted3);
Encryptor::DecryptString(key4, &encrypted4);
EXPECT_NE(original, encrypted3);
EXPECT_NE(original, encrypted4);
// invalid values
EXPECT_FALSE(Encryptor::EncryptString(key1, NULL));
EXPECT_FALSE(Encryptor::DecryptString(key1, NULL));
// empty string
string empty_string;
EXPECT_FALSE(Encryptor::EncryptString(key1, &empty_string));
EXPECT_FALSE(Encryptor::DecryptString(key1, &empty_string));
}
}
TEST(EncryptorTest, ProtectData) {
kUseMockPasswordManager = true;
Util::SetUserProfileDirectory(FLAGS_test_tmpdir);
const size_t kSizeTable[] = { 1, 10, 100, 1000, 10000, 100000 };
for (size_t i = 0; i < arraysize(kSizeTable); ++i) {
scoped_array<char> buf(new char[kSizeTable[i]]);
Util::GetSecureRandomSequence(buf.get(), kSizeTable[i]);
string input(buf.get(), kSizeTable[i]);
string output;
EXPECT_TRUE(Encryptor::ProtectData(input, &output));
EXPECT_NE(input, output);
string result;
EXPECT_TRUE(Encryptor::UnprotectData(output, &result));
EXPECT_EQ(result, input);
}
}
} // namespace mozc