SHA-2 Algorithm for the TCP Authentication Option (TCP-AO)

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Last updated 2019-06-14 (latest revision 2018-12-11)
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The TCP Authentication Option (TCP-AO) relies on security algorithms to provide connection authentication between the two end-points. This document specifies how to use SHA-256 algorithm and attributes with TCP-AO.


Sujeet Ammunje (
Brian Weis (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)