[quicwg/base-drafts] Can CRYPTO frames be sent in 0-RTT packets? (#2959)

tandf <notifications@github.com> Thu, 08 August 2019 02:59 UTC

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Subject: [quicwg/base-drafts] Can CRYPTO frames be sent in 0-RTT packets? (#2959)
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In quic-transport-22 section 19.6 it says CRYPTO frames can be sent in all packet types.
> The CRYPTO frame (type=0x06) is used to transmit cryptographic handshake messages.  It can be sent in all packet types.

However in quic-tls-22 section 4 it says the CRYPTO frames can't be sent in 0-RTT packets.
> CRYPTO and CONNECTION_CLOSE frames MAY appear in packets of any encryption level except 0-RTT.

Also in quic-tls-22 section 8.3, similar statement.
> A server MUST treat receipt of a CRYPTO frame in a 0-RTT packet as a connection error of type PROTOCOL_VIOLATION.

Maybe the statement in quic-transport-22 needs to be corrected?

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