public string DecryptPassword(byte[] passwordBytes, string keyValue)
{
var aes = new AesAlgorithm();
var md5 = CryptoHelper.CreateMd5(keyValue); //prepare necessary data
var doubleMd5 = md5.Concat(md5).ToArray(); //prepare necessary data
var decryptedPassword = aes.Decrypt(passwordBytes, doubleMd5, md5); //IV - 128 bits ; Key - 256 bits
return(decryptedPassword);
}
public string DecryptPassword(byte[] passwordBytes, SecureString userPassword)
{
var aes = new AesAlgorithm();
var userPasswordString = userPassword.SecureStringToString();
var md5 = CryptoHelper.CreateMd5(userPasswordString); //prepare necessary data
var doubleMd5 = md5.Concat(md5).ToArray(); //prepare necessary data
var decryptedPassword = aes.Decrypt(passwordBytes, doubleMd5, md5); //IV - 128 bits ; Key - 256 bits
return(decryptedPassword);
}
public byte[] EncryptPassword(string passwordToStore, string keyValue)
{
var aes = new AesAlgorithm();
var md5 = CryptoHelper.CreateMd5(keyValue); //prepare necessary data
var doubleMd5 = md5.Concat(md5).ToArray(); //prepare necessary data
var encryptedPassword = aes.Encrypt(passwordToStore, doubleMd5, md5); //IV - 128 bits ; Key - 256 bits
return(encryptedPassword);
}