public void Should_correct_encrypt_decrypt_text()
{
// Директория, в которой лежат файлы MasterKey.txt и Text.txt
var parentDir = "";
// Файл с мастер-ключами
var masterKey = File.ReadAllText($"{parentDir}/MasterKey.txt").Split(',');
// Файл с текстом
var text = File.ReadAllText($"{parentDir}/Text.txt").Split(',');
Assert.IsTrue(masterKey.Length == text.Length, "Кол-во ключей должно соответствовать кол-ву шифруемого текста.");
var result = new StringBuilder();
for (int i = 0; i < masterKey.Length; i++)
{
EncryptAlgorithm encryptAlgorithm = new EncryptAlgorithm();
// запускаем генерацию раундовых ключей
encryptAlgorithm.GenerateRoundKey(masterKey[i].GetBytes());
var encryptText = encryptAlgorithm.Encrypt(text[i].GetBytes()).GetString();
var decrypText = encryptAlgorithm.Decrypt(encryptText.GetBytes()).GetString();
// проверяем ожидаемый результат дешифрования
CollectionAssert.AreEqual(text[i], decrypText);
result.AppendFormat("MasterKey:{0}, Text:{1}, EncryptText:{2}, DecryptText:{3}\n", masterKey[i], text[i], encryptText, decrypText);
}
// Результат шифрования-душифрования
File.WriteAllText($"{parentDir}/Result.txt", result.ToString());
}
public void Should_generate_correct_decrypt_text()
{
EncryptAlgorithm encryptAlgorithm = new EncryptAlgorithm();
// запускаем генерацию раундовых ключей
encryptAlgorithm.GenerateRoundKey(Key);
var decryptResult = encryptAlgorithm.Decrypt(EncryptResult.GetBytes());
// проверяем ожидаемый результат дешифрования
CollectionAssert.AreEqual(SourceText, decryptResult.GetString());
}
/// <summary>
/// 获取加密后的字符串。
/// </summary>
/// <param name="al">加密算法,取值为:DES,TripleDES.如果为空则不加密</param>
/// <param name="inputString">需要加密的字符串</param>
/// <param name="privacyKey">密钥,如果为空则采用系统默认密钥</param>
/// <returns>加密后的字符串</returns>
public static string GetDecryptString(EncryptAlgorithm al, string inputString, string privacyKey)
{
if (al == EncryptAlgorithm.DES)
{
return DESDecrypt(inputString, privacyKey);
}
if (al == EncryptAlgorithm.TripleDES)
{
return TripleDESDecrypt(inputString, privacyKey);
}
return inputString;
}
/// <summary>
/// 获取加密后的字符串。
/// </summary>
/// <param name="al">加密算法,取值为:DES,TripleDES.如果为空则不加密</param>
/// <param name="inputString">需要加密的字符串</param>
/// <param name="privacyKey">密钥,如果为空则采用系统默认密钥</param>
/// <returns>加密后的字符串</returns>
public static string GetDecryptString(EncryptAlgorithm al, string inputString, string privacyKey)
{
if (al == EncryptAlgorithm.DES)
{
return(DESDecrypt(inputString, privacyKey));
}
if (al == EncryptAlgorithm.TripleDES)
{
return(TripleDESDecrypt(inputString, privacyKey));
}
return(inputString);
}
public void Should_get_correct_decrypt_steps()
{
EncryptAlgorithm encryptAlgorithm = new EncryptAlgorithm();
// запускаем генерацию раундовых ключей
encryptAlgorithm.GenerateRoundKey(Key);
encryptAlgorithm.Decrypt(EncryptResult.GetBytes());
// проверяем шаги шифрования
CollectionAssert.AreEqual("76CA149EEF27D1B10D17E3D5D68E5A72", encryptAlgorithm.DecryptSteps[0]);
CollectionAssert.AreEqual("5D9B06D41B9D1D2D04DF7755363E94A9", encryptAlgorithm.DecryptSteps[1]);
CollectionAssert.AreEqual("79487192AA45709C115559D6E9280F6E", encryptAlgorithm.DecryptSteps[2]);
CollectionAssert.AreEqual("AE506924C8CE331BB918FC5BDFB195FA", encryptAlgorithm.DecryptSteps[3]);
CollectionAssert.AreEqual("BBFFBFC8939EAAFFAFB8E22769E323AA", encryptAlgorithm.DecryptSteps[4]);
CollectionAssert.AreEqual("3CC2F07CC07A8BEC0F3EA0ED2AE33E4A", encryptAlgorithm.DecryptSteps[5]);
CollectionAssert.AreEqual("F36F01291D0B96D591E228B72D011C36", encryptAlgorithm.DecryptSteps[6]);
CollectionAssert.AreEqual("1C4B0C1E950182B1CE696AF5C0BFC5DF", encryptAlgorithm.DecryptSteps[7]);
CollectionAssert.AreEqual("99BB99FF99BB99FFFFFFFFFFFFFFFFFF", encryptAlgorithm.DecryptSteps[8]);
}
public void Should_get_correct_encrypt_steps()
{
EncryptAlgorithm encryptAlgorithm = new EncryptAlgorithm();
// запускаем генерацию раундовых ключей
encryptAlgorithm.GenerateRoundKey(Key);
encryptAlgorithm.Encrypt(SourceText.GetBytes());
// проверяем шаги шифрования LSX
CollectionAssert.AreEqual("E297B686E355B0A1CF4A2F9249140830", encryptAlgorithm.EncryptSteps[0]);
CollectionAssert.AreEqual("285E497A0862D596B36F4258A1C69072", encryptAlgorithm.EncryptSteps[1]);
CollectionAssert.AreEqual("0187A3A429B567841AD50D29207CC34E", encryptAlgorithm.EncryptSteps[2]);
CollectionAssert.AreEqual("EC9BDBA057D4F4D77C5D70619DCAD206", encryptAlgorithm.EncryptSteps[3]);
CollectionAssert.AreEqual("1357FD11DE9257290C2A1473EB6BCDE1", encryptAlgorithm.EncryptSteps[4]);
CollectionAssert.AreEqual("28AE31E7D4C2354261027EF0B32897DF", encryptAlgorithm.EncryptSteps[5]);
CollectionAssert.AreEqual("07E223D56002C013D3F5E6F714B86D2D", encryptAlgorithm.EncryptSteps[6]);
CollectionAssert.AreEqual("CD8EF6CD97E0E092A8E4CCA61B38BF65", encryptAlgorithm.EncryptSteps[7]);
CollectionAssert.AreEqual("0D8E40E4A800D06B2F1B37EA379EAD8E", encryptAlgorithm.EncryptSteps[8]);
}
public void Should_correct_generate_round_key()
{
EncryptAlgorithm encryptAlgorithm = new EncryptAlgorithm();
// запускаем генерацию раундовых ключей
encryptAlgorithm.GenerateRoundKey(Key);
// проверяем ожидаемый результат раундовых ключей
CollectionAssert.AreEqual("8899AABBCCDDEEFF0011223344556677", encryptAlgorithm.KeysList[0]);
CollectionAssert.AreEqual("FEDCBA98765432100123456789ABCDEF", encryptAlgorithm.KeysList[1]);
CollectionAssert.AreEqual("DB31485315694343228D6AEF8CC78C44", encryptAlgorithm.KeysList[2]);
CollectionAssert.AreEqual("3D4553D8E9CFEC6815EBADC40A9FFD04", encryptAlgorithm.KeysList[3]);
CollectionAssert.AreEqual("57646468C44A5E28D3E59246F429F1AC", encryptAlgorithm.KeysList[4]);
CollectionAssert.AreEqual("BD079435165C6432B532E82834DA581B", encryptAlgorithm.KeysList[5]);
CollectionAssert.AreEqual("51E640757E8745DE705727265A0098B1", encryptAlgorithm.KeysList[6]);
CollectionAssert.AreEqual("5A7925017B9FDD3ED72A91A22286F984", encryptAlgorithm.KeysList[7]);
CollectionAssert.AreEqual("BB44E25378C73123A5F32F73CDB6E517", encryptAlgorithm.KeysList[8]);
CollectionAssert.AreEqual("72E9DD7416BCF45B755DBAA88E4A4043", encryptAlgorithm.KeysList[9]);
}
/// <summary>
/// 获取加密后的字符串。
/// </summary>
/// <param name="al">加密算法名称,取值为:DES,TripleDES.如果为空则不加密</param>
/// <param name="inputString">需要加密的字符串</param>
/// <returns>加密后的字符串</returns>
public static string GetDecryptString(EncryptAlgorithm al, string inputString)
{
return GetDecryptString(al, inputString, string.Empty);
}
/// <summary>
/// 获取加密后的字符串。
/// </summary>
/// <param name="al">加密算法名称,取值为:DES,TripleDES.如果为空则不加密</param>
/// <param name="inputString">需要加密的字符串</param>
/// <returns>加密后的字符串</returns>
public static string GetDecryptString(EncryptAlgorithm al, string inputString)
{
return(GetDecryptString(al, inputString, string.Empty));
}
