| MessageType | |
| ChunkType | |
| TcpMessageHeader | |
| TcpHelloMessage | |
| TcpAcknowledgeMessage | |
| TcpErrorMessage | |
| SecureConversationMessageHeader | |
| AsymmetricAlgorithmSecurityHeader | |
| SymmetricAlgorithmSecurityHeader | |
| SequenceHeader | |
| SecureConversationMessageFooter | |
| SecureConversationMessageAbortBody |