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Encryption level of CRYPTO determines packet type #3783

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merged 1 commit into from Jun 30, 2020
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Encryption level of CRYPTO determines packet type #3783

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4 changes: 2 additions & 2 deletions draft-ietf-quic-tls.md
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Expand Up @@ -431,8 +431,8 @@ the packet type and keys that are used for protecting data.
Each encryption level is associated with a different sequence of bytes, which is
reliably transmitted to the peer in CRYPTO frames. When TLS provides handshake
bytes to be sent, they are appended to the handshake bytes for the current
encryption level. Any packet that includes the CRYPTO frame is protected using
keys from the corresponding encryption level.
encryption level. The encryption level then determines the type of packet that
the resulting CRYPTO frame is carried in; see {{packet-types-keys}}.

Four encryption levels are used, producing keys for Initial, 0-RTT, Handshake,
and 1-RTT packets. CRYPTO frames are carried in just three of these levels,
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