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Use 'encryption' less often #1708

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merged 2 commits into from Aug 28, 2018
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Use 'encryption' less often #1708

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Use 'encryption' less often
martinthomson Aug 27, 2018
d016a96
Say things more clearly
martinthomson Aug 28, 2018
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7 changes: 4 additions & 3 deletions draft-ietf-quic-transport.md
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Expand Up @@ -1008,9 +1008,10 @@ Packet numbers are divided into 3 spaces in QUIC:
As described in {{QUIC-TLS}}, each packet type uses different protection keys.

Conceptually, a packet number space is the context in which a packet can be
processed and ACKed. Initial packets can only be sent with Initial encryption
keys and ACKed in packets which are also Initial packets. Similarly, Handshake
packets can only be sent and acknowledged in Handshake packets.
processed and acknowledged. Initial packets can only be sent with Initial
packet protection keys and acknowledged in packets which are also Initial
packets. Similarly, Handshake packets are sent at the Handshake encryption
level and can only be acknowledged in Handshake packets.

This enforces cryptographic separation between the data sent in the different
packet sequence number spaces. Each packet number space starts at packet number
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