public override TlsCipher GetCipher()
{
int encryptionAlgorithm = TlsUtilities.GetEncryptionAlgorithm(mSelectedCipherSuite);
int macAlgorithm = TlsUtilities.GetMacAlgorithm(mSelectedCipherSuite);
return(mCipherFactory.CreateCipher(mContext, encryptionAlgorithm, macAlgorithm));
}
/// <exception cref="IOException"/>
protected static void ValidateSelectedCipherSuite(int selectedCipherSuite, byte alertDescription)
{
switch (TlsUtilities.GetEncryptionAlgorithm(selectedCipherSuite))
{
case EncryptionAlgorithm.RC4_40:
case EncryptionAlgorithm.RC4_128:
throw new TlsFatalAlert(alertDescription);
}
}