/// <summary>
/// Encrypt dataToEncrypt using the specified encodingParams (RSA only).
/// </summary>
/// <param name="plainText"></param>
/// <param name="label"></param>
/// <returns></returns>
public byte[] EncryptOaep(byte[] plainText, byte[] label)
{
if (plainText == null)
{
plainText = new byte[0];
}
if (label == null)
{
label = new byte[0];
}
#if TSS_USE_BCRYPT
var paddingInfo = new BCryptOaepPaddingInfo(OaepHash, label);
byte[] cipherText = Key.Encrypt(plainText, paddingInfo);
#elif false
var rr = new RawRsa(RsaProvider.ExportParameters(false), RsaProvider.KeySize);
byte[] cipherText = rr.OaepEncrypt(plainText, OaepHash, label);
#else
RSAParameters parms = RsaProvider.ExportParameters(false);
var alg = new BCryptAlgorithm(Native.BCRYPT_RSA_ALGORITHM);
var key = alg.LoadRSAKey(parms.Exponent, parms.Modulus);
var paddingInfo = new BCryptOaepPaddingInfo(OaepHash, label);
byte[] cipherText = key.Encrypt(plainText, paddingInfo);
key.Destroy();
alg.Close();
#endif
return(cipherText);
}
/// <summary>
/// Encrypt dataToEncrypt using the specified encodingParams (RSA only).
/// </summary>
/// <param name="dataToEncrypt"></param>
/// <param name="label"></param>
/// <returns></returns>
public byte[] EncryptOaep(byte[] plainText, byte[] label)
{
if (plainText == null)
{
plainText = new byte[0];
}
if (label == null)
{
label = new byte[0];
}
var rr = new RawRsa(Key);
byte[] cipherText = rr.OaepEncrypt(plainText, OaepHash, label);;
return(cipherText);
}
