public override byte[] CreateKeyExchange(byte[] rgbData)
{
if (random == null)
{
random = RandomNumberGenerator.Create(); // create default
}
if (rsa == null)
{
string msg = Locale.GetText("No RSA key specified");
throw new CryptographicUnexpectedOperationException(msg);
}
SHA1 sha1 = SHA1.Create();
return(PKCS1.Encrypt_OAEP(rsa, sha1, random, rgbData));
}