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Can CRYPTO frames be sent in 0-RTT packets? #2959

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tandf opened this issue Aug 8, 2019 · 0 comments · Fixed by #2960
Closed

Can CRYPTO frames be sent in 0-RTT packets? #2959

tandf opened this issue Aug 8, 2019 · 0 comments · Fixed by #2960
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-transport editorial An issue that does not affect the design of the protocol; does not require consensus.

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@tandf
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tandf commented Aug 8, 2019

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?
@martinthomson martinthomson added -transport editorial An issue that does not affect the design of the protocol; does not require consensus. labels Aug 8, 2019
@tandf tandf mentioned this issue Aug 8, 2019
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-transport editorial An issue that does not affect the design of the protocol; does not require consensus.
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CRYPTO frames can not be sent in 0-RTT
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@martinthomson @tandf