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

David Schinazi <notifications@github.com> Wed, 08 May 2019 00:13 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.



> +will send data after the handshake, ensuring the peer can discard their
+handshake keys promptly.  Applications protocols that do not MAY send
+ACK-eliciting frames encrypted with 1-RTT keys as soon as they have installed
+those send keys and until they receive an acknowledgment for one of them,
+ensuring the peer can discard their handshake keys.
+
+
+### Discarding 0-RTT Keys
+
+Clients SHOULD discard 0-RTT keys as soon as they install 1-RTT keys, since
+they have no use after that moment.
+
+Clients do not send 0-RTT packets after sending a 1-RTT
+packet ({{using-early-data}}).  Therefore a server MAY discard 0-RTT keys as
+soon as it receives a 1-RTT packet.  However, due to packet reordering, a
+client's valid 0-RTT packet could arrive after a 1-RTT packet.  Servers MAY

Fixed

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