protected static void ValidateSymmetricEncryptor(ISymmetricEncryptor encryptor) {
var cipherKR = encryptor.Encrypt(Encoding.Unicode.GetBytes(PlainTextKR));
var clearKR = Encoding.Unicode.GetString(encryptor.Decrypt(cipherKR));
Assert.AreEqual(PlainTextKR, clearKR);
var cipherUS = encryptor.Encrypt(Encoding.Unicode.GetBytes(PlainTextUS));
var clearUS = Encoding.Unicode.GetString(encryptor.Decrypt(cipherUS));
Assert.AreEqual(PlainTextUS, clearUS);
}
protected static void ValidateSymmetricEncryptor(ISymmetricEncryptor encryptor)
{
var cipherKR = encryptor.Encrypt(Encoding.Unicode.GetBytes(PlainTextKR));
var clearKR = Encoding.Unicode.GetString(encryptor.Decrypt(cipherKR));
Assert.AreEqual(PlainTextKR, clearKR);
var cipherUS = encryptor.Encrypt(Encoding.Unicode.GetBytes(PlainTextUS));
var clearUS = Encoding.Unicode.GetString(encryptor.Decrypt(cipherUS));
Assert.AreEqual(PlainTextUS, clearUS);
}
/// <summary>
/// 암호화된 문자열을 복원합니다.
/// </summary>
/// <param name="encryptor"></param>
/// <param name="encryptedText"></param>
/// <returns></returns>
public static string DecryptString(this ISymmetricEncryptor encryptor, string encryptedText)
{
if (encryptedText.IsEmpty())
{
return(string.Empty);
}
return(encryptor.Decrypt(encryptedText.Base64Decode()).ToText(StringTool.DefaultEncoding));
}
public void EncryptAndDecrypt()
{
var key = "8C662D023DD014B483AC66546573C9FA64185F1704E6B610F4AAA0DE30CE9016";
string text = "this is my ßecrͼt teݨt";
var encrypted = _encryptor.Encrypt(text, key);
Assert.Equal(text, _encryptor.Decrypt(encrypted, key));
}
/// <summary>
/// 대칭형 암호화 알고리즘을 이용하여, <paramref name="format"/>형태의 <paramref name="cipherText"/>를 복호화합니다.
/// </summary>
/// <param name="encryptor">대칭형 암호화 인스턴스</param>
/// <param name="cipherText">암호화된 정보</param>
/// <param name="format">암호화된 정보의 문자열 형식(Base64|HexDecimal)</param>
/// <returns>복화화된 원본 문자열</returns>
public static string DecryptString(this ISymmetricEncryptor encryptor, string cipherText,
EncryptionStringFormat format = EncryptionStringFormat.HexDecimal)
{
if (cipherText.IsEmpty())
{
return(cipherText);
}
var plainBytes = encryptor.Decrypt(cipherText.StringToBytes(format));
return(Encoding.Unicode.GetString(plainBytes).Trim('\0'));
}
/// <summary>
/// 비동기 방식으로 암호화된 데이터를 복원합니다.
/// </summary>
/// <param name="encryptor"></param>
/// <param name="cipher"></param>
/// <returns></returns>
public static Task <byte[]> DecriptAsync(this ISymmetricEncryptor encryptor, byte[] cipher)
{
return(Task.Factory.StartNew(() => encryptor.Decrypt(cipher)));
}
/// <summary>
/// 암호화된 스트림을 복원합니다.
/// </summary>
/// <param name="encryptor"></param>
/// <param name="stream"></param>
/// <returns></returns>
public static Stream DecryptStream(this ISymmetricEncryptor encryptor, Stream stream)
{
return(new MemoryStream(encryptor.Decrypt(stream.ToBytes())));
}
/// <summary>
/// 대칭형 암호화 알고르즘을 이용하여 <paramref name="cipherBytes"/>를 복호화 합니다.
/// </summary>
/// <param name="encryptor">대칭형 암호화 인스턴스</param>
/// <param name="cipherBytes">암호화된 정보</param>
/// <returns>복호화된 정보</returns>
public static byte[] DecryptBytes(this ISymmetricEncryptor encryptor, byte[] cipherBytes)
{
return(encryptor.Decrypt(cipherBytes));
}
/// <summary>
/// 대칭형 암호화 알고리즘을 이용하여, <paramref name="cipherStream"/>을 복호화한 스트림을 반환합니다.
/// </summary>
/// <param name="encryptor">대칭형 암호화 인스턴스</param>
/// <param name="cipherStream">암호화된 정보를 가진 스트림</param>
/// <returns>복호화된 정보를 가진 스트림</returns>
public static Stream DecryptString(this ISymmetricEncryptor encryptor, Stream cipherStream)
{
cipherStream.ShouldNotBeNull("cipherStream");
return(new MemoryStream(encryptor.Decrypt(cipherStream.ToBytes())));
}
