/// <summary>
/// Method for encrypting plain text
/// </summary>
/// <param name="selectedAlgorithim">the algorithim to use, will be cast to enum</param>
/// <param name="keySize">the key size to use</param>
/// <param name="secretKey">the secret key for the algorithim</param>
/// <param name="plainText">the plain text to encrypt</param>
/// <returns>the encrypted bytes</returns>
public byte[] EncryptText(int selectedAlgorithim, int keySize, byte[] secretKey, byte[] iv, string plainText)
{
var algorithim = ((SymmetricBouncyCastleCipher)selectedAlgorithim).ToString().Replace("_", "-");;
bufferedCipher = CipherUtilities.GetCipher(algorithim);
var plain = ByteConvert.StringToUTF8Bytes(plainText);
if (GetIvSize(selectedAlgorithim) > 0)
{
var kp = new KeyParameter(secretKey);
var ivp = new ParametersWithIV(kp, iv);
bufferedCipher.Init(true, ivp);
}
else
{
bufferedCipher.Init(true, new KeyParameter(secretKey));
}
return(bufferedCipher.DoFinal(plain));
}
/// <summary>
/// Encrypts a plain text using a public key
/// </summary>
/// <param name="publicKey">the key used for encryption</param>
/// <param name="plainText">the plain text to encrypt</param>
/// <returns>encrypted bytes</returns>
public byte[] EncryptText(byte[] publicKey, string plainText)
{
var plain = ByteConvert.StringToUTF8Bytes(plainText);
return(EncryptBytes(publicKey, plain));
}