Displaying 2 results from an estimated 2 matches for "poly1305v2".
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poly1305
2023 Dec 20
1
Discussion: new terrapin resisting ciphers and macs (alternative to strict-kex) and -ctr mode question.
Hello,
in addition to my last thread about a new config option to make strict-kex mandatory,
I also wonder if a new mechanism for ciphers/macs can be introduced and is reliable
by simple both sides using it.
So there could be a Chacha20-Poly1305v2 at openssh.com which uses AD data to chain the
messages together, so it will be resistant against terrapin even without the strict-kex.
Consequently the hmac-etmv2 at openssh.com mode could be deviced in a similar manner, to
also include the transcript hash or similar things.
The impact of removi...
2023 Dec 20
1
Discussion: new terrapin resisting ciphers and macs (alternative to strict-kex) and -ctr mode question.
Hi there,
> So there could be a Chacha20-Poly1305v2 at openssh.com which uses AD data to chain the
> messages together, so it will be resistant against terrapin even without the strict-kex.
>
> Consequently the hmac-etmv2 at openssh.com mode could be deviced in a similar manner, to
> also include the transcript hash or similar things.
Th...