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		defen on June 11, 2009 \| parent \| context \| favorite \| on: Cryptographic Right Answers This comment went a little over my head - if you don't mind, can you point me to something that explains what continuity and authority are in this context? I'm also curious to learn how people used to lose their SSH keys because of continuity. Thanks.

tptacek on June 11, 2009 [–]

The first time two hosts communicate using SSH, they share no keys and have to exchange them with a handshake. That exchange isn't secure.

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