public void Encrypt256()
{
var plaintext = Encoding.UTF8.GetBytes(Plaintext);
var etmCiphertext = RijndaelEtM.Encrypt(plaintext, Password, Iv, KeySize.Aes256);
Assert.Equal(Convert.ToBase64String(etmCiphertext), EtmProof256);
}
public void RandomIv192()
{
var etmCiphertext1 = RijndaelEtM.Encrypt(Plaintext, Password, KeySize.Aes192);
var etmCiphertext2 = RijndaelEtM.Encrypt(Plaintext, Password, KeySize.Aes192);
var plaintext = RijndaelEtM.Decrypt(etmCiphertext1, Password, KeySize.Aes192);
Assert.Equal(plaintext, Plaintext);
Assert.NotEqual(etmCiphertext1, etmCiphertext2);
}
public static string Encrypt(string plainText, string passPhrase)
{
string encrypted = RijndaelEtM.Encrypt(plainText, passPhrase, KeySize.Aes256);
return(encrypted);
/**
* var saltStringBytes = Generate256BitsOfRandomEntropy();
* var ivStringBytes = Generate256BitsOfRandomEntropy();
* var plainTextBytes = Encoding.UTF8.GetBytes(plainText);
* using (var password = new Rfc2898DeriveBytes(passPhrase, saltStringBytes, DerivationIterations))
* {
* var keyBytes = password.GetBytes(Keysize / 8);
* using (var symmetricKey = new RijndaelManaged())
* {
* symmetricKey.BlockSize = 256;
* symmetricKey.Mode = CipherMode.CBC;
* symmetricKey.Padding = PaddingMode.PKCS7;
* using (var encrypter = symmetricKey.CreateEncryptor(keyBytes, ivStringBytes))
* {
* using (var memoryStream = new MemoryStream())
* {
* using (var cryptoStream = new CryptoStream(memoryStream, encrypter, CryptoStreamMode.Write))
* {
* cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);
* cryptoStream.FlushFinalBlock();
* // Create the final bytes as a concatenation of the random salt bytes, the random iv bytes and the cipher bytes.
* var cipherTextBytes = saltStringBytes;
* cipherTextBytes = cipherTextBytes.Concat(ivStringBytes).ToArray();
* cipherTextBytes = cipherTextBytes.Concat(memoryStream.ToArray()).ToArray();
* memoryStream.Close();
* cryptoStream.Close();
* return Convert.ToBase64String(cipherTextBytes);
* }
* }
* }
* }
* }**/
}
public static string Encrypt(string plainText, string password)
{
return(RijndaelEtM.Encrypt(plainText, password, KeySize.Aes256));
}
public static string Encrypt(string plainText, string passPhrase)
{
string encrypted = RijndaelEtM.Encrypt(plainText, passPhrase, KeySize.Aes256);
return(encrypted);
}