The AUTACK Message
The Secure Authentication and Acknowledgement message, AUTACK, is used for authentication of an interchange ensuring integrity of content by hashing and signing the entire set of transaction messages in the interchange, ensuring origin authentication and non-repudiation of origin by the senderís digital signature of the sent interchange and acknowledgement of a received interchange and ensuring non-repudiation of receipt by the recipientís digital signature of the hashed content of the received interchange
AUTACK v0.6m

 

AUTACK (Siemens version)