public EncryptionDecryptionModel EncryptAndDecrypt(string username, string password)
{
var returnValue = new EncryptionDecryptionModel();
// AES
using (var aes = new AesManaged())
{
// encrypt
byte[] encryptedUserName = _encryptionService.SymmetricEncryption(username, aes.Key, aes.IV);
returnValue.EncryptedUserName = Encoding.UTF8.GetString(encryptedUserName);
// decrypt
string decriptedUserName = _decryptionService.SymmetricDecryption(encryptedUserName, aes.Key, aes.IV);
// check decryption
if (username != decriptedUserName)
{
throw new Exception("There was a problem encrypting the user name");
}
}
// RSA
using (var RSA = new RSACryptoServiceProvider())
{
var ByteConverter = new UnicodeEncoding();
// encrypt
byte[] plaintext = ByteConverter.GetBytes(password);
byte[] encryptedtext = _encryptionService.AsymmetricEncryption(plaintext, RSA.ExportParameters(false), false);
returnValue.EncryptedPassword = ByteConverter.GetString(encryptedtext);
// decrypt
byte[] decryptedText = _decryptionService.AsymmetricDecryption(encryptedtext, RSA.ExportParameters(true), false);
var decriptedPassword = ByteConverter.GetString(decryptedText);
// check decryption
if (password != decriptedPassword)
{
throw new Exception("There was a problem encrypting the password");
}
}
return(returnValue);
}
