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UMAC Authentication in SSH Protocol by Thiago Ferreira is a document available to read on EtoBox.

What is UMAC Authentication in SSH Protocol about?

This document outlines the integration of UMAC (Universal Message Authentication Code) into the SSH transport protocol to enhance message authentication performance and security. It introduces four new MAC methods based on UMAC with varying tag sizes: umac-32, umac-64, umac-96, and umac-128, allowing users to balance speed and security. The memo emphasizes the importance of unique nonces for UMAC calculations and the necessity of re-keying before reusing packet sequence numbers.

Author

Thiago Ferreira

Language

EN