Re: [quicwg/base-drafts] Output of the discard keys design team (#2673)

David Schinazi <notifications@github.com> Sat, 11 May 2019 19:29 UTC

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Subject: Re: [quicwg/base-drafts] Output of the discard keys design team (#2673)
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DavidSchinazi commented on this pull request.



> +Verifying the peer's Finished provides endpoints with an assurance that
+previous handshake messages have not been modified.  Note that the handshake
+does not complete on both endpoints simultaneously, therefore any requirements
+placed on endpoints based on the completion of the handshake are specific to
+the handshake being complete from the perspective of the endpoint in question.
+
+
+### Handshake Confirmed {#handshake-confirmed}
+
+In this document, the TLS handshake is considered confirmed when both of the
+following two conditions are met: the handshake is complete and the endpoint
+has received an acknowledgment for a packet sent with 1-RTT keys.  This second
+condition can be implemented by tracking the lowest packet number sent with
+1-RTT keys, and the highest value of the Largest Acknowledged field in any
+received 1-RTT ACK frame: once the latter is higher than or equal to the
+former, the handshake is confirmed.

I think I prefer the current wording. I'm afraid the suggestion could be confusing a reader that starts searching for the definition of a "recorded packet number".

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