Transport parameters can be used before they are authentic #4463
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This is OK, but only in a limited fashion.
martinthomson
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editorial
martinduke
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Dec 23, 2020
seanturner
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Dec 23, 2020
ianswett
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Jan 5, 2021
draft-ietf-quic-tls.md
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| and reliance on them should be minimized. However, any tampering with the | ||
| parameters will cause the handshake to fail. | ||
| Transport parameters become available prior to the completion of the handshake. | ||
| Using these values earlier than handshake completion is necessary at the server |
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I'm not sure it's necessary to send 1-RTT packets prior to handshake completion, but it is necessary to send many things, such as data on streams in 0.5RTT packets.
Also, the way this is written, it could be read as sending 1-RTT packets from server to client requires using these values prior to handshake completion, which I realize isn't your intent.
janaiyengar
reviewed
Jan 6, 2021
Co-authored-by: Jana Iyengar <jri.ietf@gmail.com>
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This is OK, but only in a limited fashion.