internal byte[] ProtectPDU(byte[] header, ref byte[] stub_data, int auth_padding_length, int send_sequence_no)
{
List <SecurityBuffer> buffers = new List <SecurityBuffer>();
buffers.Add(new SecurityBufferInOut(SecurityBufferType.Data | SecurityBufferType.ReadOnly, header));
var stub_data_buffer = new SecurityBufferInOut(SecurityBufferType.Data, stub_data);
buffers.Add(stub_data_buffer);
buffers.Add(new SecurityBufferInOut(SecurityBufferType.Data | SecurityBufferType.ReadOnly,
AuthData.ToArray(TransportSecurity, auth_padding_length, ContextId, new byte[0])));
byte[] signature = new byte[0];
if (TransportSecurity.AuthenticationLevel == RpcAuthenticationLevel.PacketIntegrity)
{
signature = AuthContext.MakeSignature(buffers, send_sequence_no);
}
else if (TransportSecurity.AuthenticationLevel == RpcAuthenticationLevel.PacketPrivacy)
{
signature = AuthContext.EncryptMessage(buffers, SecurityQualityOfProtectionFlags.None, send_sequence_no);
stub_data = stub_data_buffer.ToArray();
RpcUtils.DumpBuffer(true, "Send Encrypted Data", stub_data);
}
if (signature.Length > 0)
{
RpcUtils.DumpBuffer(true, "Send Signature Data", signature);
}
return(AuthData.ToArray(TransportSecurity, auth_padding_length, ContextId, signature));
}