Re: [quicwg/base-drafts] Describe interaction between QUIC and TLS regarding saved 0-RTT state (#2947)
Martin Thomson <notifications@github.com> Fri, 23 August 2019 00:16 UTC
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Subject: Re: [quicwg/base-drafts] Describe interaction between QUIC and TLS regarding saved 0-RTT state (#2947)
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martinthomson approved this pull request. Assuming you take my suggestions, this is good. > primary functions: - Sending and receiving handshake messages +- Processing stored transport and application state from a 0-RTT capable session + ticket and determining if it is valid to accept early data on the connection ```suggestion and determining if it is valid to accept early data ``` > primary functions: - Sending and receiving handshake messages +- Processing stored transport and application state from a 0-RTT capable session s/0-RTT capable session ticket/resumed session/ ```suggestion - Processing stored transport and application state from a resumed session ``` As before with the mention of tickets; and early data is already covered. > @@ -644,6 +647,27 @@ A client MAY attempt to send 0-RTT again if it receives a Retry or Version Negotiation packet. These packets do not signify rejection of 0-RTT. +## Validating 0-RTT configuration ```suggestion ## Validating 0-RTT Configuration ``` > +When a server receives a ClientHello with the "early_data" extension, it has to +decide whether to accept or reject early data from the client. Some of this +decision is made by the TLS stack (e.g., checking that the cipher suite being +resumed was included in the ClientHello; see Section 4.2.10 of {{!TLS13}}). Even +when the TLS stack has no reason to reject early data, the QUIC stack or the +application protocol using QUIC might reject early data because the +configuration of the transport or application associated with the resumed +session is not compatible with the server's current configuration. + +QUIC requires additional transport state to be associated with a 0-RTT session +ticket. If stateless session tickets are used, this information must be stored +in the session ticket. Application protocols that use QUIC might have similar +requirements regarding associating or storing state. This associated state is +used for deciding whether early data must be rejected. For example, HTTP/3 +({{QUIC-HTTP}}) settings determine how early data from the client is +interpreted. Other applications using QUIC could have different requiremenets ```suggestion interpreted. Other applications using QUIC could have different requirements ``` > +decide whether to accept or reject early data from the client. Some of this +decision is made by the TLS stack (e.g., checking that the cipher suite being +resumed was included in the ClientHello; see Section 4.2.10 of {{!TLS13}}). Even +when the TLS stack has no reason to reject early data, the QUIC stack or the +application protocol using QUIC might reject early data because the +configuration of the transport or application associated with the resumed +session is not compatible with the server's current configuration. + +QUIC requires additional transport state to be associated with a 0-RTT session +ticket. If stateless session tickets are used, this information must be stored +in the session ticket. Application protocols that use QUIC might have similar +requirements regarding associating or storing state. This associated state is +used for deciding whether early data must be rejected. For example, HTTP/3 +({{QUIC-HTTP}}) settings determine how early data from the client is +interpreted. Other applications using QUIC could have different requiremenets +for determining whether ot accept or reject early data. ```suggestion for determining whether to accept or reject early data. ``` -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/quicwg/base-drafts/pull/2947#pullrequestreview-278745896
- [quicwg/base-drafts] Describe interaction between… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… David Schinazi
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… David Schinazi
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… Mike Bishop
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… Martin Thomson
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… Martin Thomson
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… Martin Thomson
- Re: [quicwg/base-drafts] Describe interaction bet… Marten Seemann
- Re: [quicwg/base-drafts] Describe interaction bet… Kazuho Oku
- Re: [quicwg/base-drafts] Describe interaction bet… Christian Huitema
- Re: [quicwg/base-drafts] Describe interaction bet… MikkelFJ
- Re: [quicwg/base-drafts] Describe interaction bet… Martin Thomson
- Re: [quicwg/base-drafts] Describe interaction bet… MikkelFJ
- Re: [quicwg/base-drafts] Describe interaction bet… Jana Iyengar
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… Martin Thomson
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… Nick Harper
- Re: [quicwg/base-drafts] Describe interaction bet… Mike Bishop
- Re: [quicwg/base-drafts] Describe interaction bet… Martin Thomson