Preventing quantum downgrade attacks against IPsec | Hacker News - But Better

Preventing quantum downgrade attacks against IPsec blog.cloudflare.com

A sophisticated attacker with a quantum computer can exploit a protocol design flaw to downgrade post-quantum IPsec tunnels to classical crypto. We helped the IETF develop a transcript authentication extension to…

1 points•bbg2401•1 day ago•0 comments•

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