public byte[] OaepEncrypt(byte[] data, TpmAlgId hashAlg, byte[] encodingParms)
{
if (data.Length == 0)
{
throw new ArgumentException("");
}
int encLen = NumBits / 8;
byte[] zeroTermEncoding = GetLabel(encodingParms);
byte[] encoded = CryptoEncoders.OaepEncode(data, zeroTermEncoding, hashAlg, encLen);
BigInteger message = FromBigEndian(encoded);
BigInteger cipher = BigInteger.ModPow(message, E, N);
byte[] encMessageBigEnd = ToBigEndian(cipher, KeySize);
return(encMessageBigEnd);
}
public byte[] OaepEncrypt(byte[] data, TpmAlgId hashAlg, byte[] encodingParms)
{
int encLen = NumBits / 8;
byte[] zeroTermEncoding = GetLabel(encodingParms);
byte[] encoded = CryptoEncoders.OaepEncode(data, zeroTermEncoding, hashAlg, encLen);
BigInteger message = FromBigEndian(encoded);
BigInteger cipher = BigInteger.ModPow(message, E, N);
byte[] encMessageBigEnd = ToBigEndian(cipher, KeySize);
if (encMessageBigEnd.Length < encLen)
{
encMessageBigEnd = Globs.AddZeroToBeginning(encMessageBigEnd, encLen - encMessageBigEnd.Length);
}
return(encMessageBigEnd);
}
