/// <summary>
/// TripleDES decryption.
/// </summary>
/// <param name="data">The string to be decrypted,not null.</param>
/// <param name="pwd">The password to derive the key for.</param>
/// <param name="encoding">The <see cref="T:System.Text.Encoding"/>,default is Encoding.UTF8.</param>
/// <param name="salt">The key salt to use to derive the key.</param>
/// <param name="keySize">The size only can be 128, 192.</param>
/// <param name="iv">The initialization vector (IV) to use to derive the key.</param>
/// <returns>The decryption string.</returns>
public static string Decrypt(string data, string pwd = null, string iv = null, string salt = null, Encoding encoding = null,
TripleDESKeySizeTypes keySize = TripleDESKeySizeTypes.L192)
{
if (string.IsNullOrEmpty(data))
{
throw new ArgumentNullException(nameof(data));
}
if (string.IsNullOrEmpty(pwd))
{
throw new ArgumentNullException(nameof(pwd));
}
if (string.IsNullOrEmpty(iv))
{
throw new ArgumentNullException(nameof(iv));
}
if (encoding == null)
{
encoding = Encoding.UTF8;
}
return(encoding.GetString(NiceDecryptCore <TripleDESCryptoServiceProvider>(Convert.FromBase64String(data),
ComputeRealValueFunc()(pwd)(salt)(encoding)((int)keySize),
ComputeRealValueFunc()(iv)(salt)(encoding)(64))));
//return ""; //NiceEncryptCore<TripleDESCryptoServiceProvider>(data, password, iv, salt, encoding, (int) keySize, 64, mode);
}
/// <summary>
/// Create a new instance of <see cref="TripleDESKey"/>
/// </summary>
/// <param name="keySize"></param>
/// <param name="encoding"></param>
/// <returns></returns>
public static TripleDESKey CreateKey(TripleDESKeySizeTypes keySize = TripleDESKeySizeTypes.L192, Encoding encoding = null)
{
encoding = encoding.SafeValue();
using (var provider = new TripleDESCryptoServiceProvider())
{
return(new TripleDESKey
{
Key = encoding.GetString(provider.Key),
IV = encoding.GetString(provider.IV),
});
}
}
/// <summary>
/// TripleDES decryption.
/// </summary>
/// <param name="data">The string to be decrypted,not null.</param>
/// <param name="pwd">The password to derive the key for.</param>
/// <param name="encoding">The <see cref="T:System.Text.Encoding"/>,default is Encoding.UTF8.</param>
/// <param name="salt">The key salt to use to derive the key.</param>
/// <param name="keySize">The size only can be 128, 192.</param>
/// <param name="iv">The initialization vector (IV) to use to derive the key.</param>
/// <returns>The decryption string.</returns>
public static string Decrypt(string data, string pwd = null, string iv = null, string salt = null, Encoding encoding = null,
TripleDESKeySizeTypes keySize = TripleDESKeySizeTypes.L192)
{
Checker.Data(data);
Checker.Password(pwd);
Checker.IV(iv);
encoding = encoding.SafeValue();
return(encoding.GetString(NiceDecryptCore <TripleDESCryptoServiceProvider>(Convert.FromBase64String(data),
ComputeRealValueFunc()(pwd)(salt)(encoding)((int)keySize),
ComputeRealValueFunc()(iv)(salt)(encoding)(64))));
//return ""; //NiceEncryptCore<TripleDESCryptoServiceProvider>(data, password, iv, salt, encoding, (int) keySize, 64, mode);
}
