Re: [quicwg/base-drafts] token-based greasing / initial packet protection (#3166)
Mike Bishop <notifications@github.com> Tue, 05 November 2019 15:28 UTC
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Date: Tue, 05 Nov 2019 07:28:23 -0800
From: Mike Bishop <notifications@github.com>
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Subject: Re: [quicwg/base-drafts] token-based greasing / initial packet protection (#3166)
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MikeBishop commented on this pull request. > +which is comprised of: + +* Version number; a 32-bit unsigned number that is to be presented on wire in + place of the version number specified in this document. This value MUST NOT + be a reserved version ({{versions}}). + +* Packet type modifier; a two-bit value that obfuscates the Long Packet Type of + a long header packet ({{long-header}}). The long packet type bits of a long + header packet is encoded as an bit-wise exclusive or (XOR) of the packet type + modifier and the type numbers defined in {{long-packet-types}}. + +* Initial salt; a 16-byte binary blob that is to be used in place of the initial + salt defined in section 5.2 of {{QUIC-TLS}}. + +A server advertises these seeds using a NEW_TOKEN frame {{frame-new-token}}. +The token MUST permit the server to recover these seeds. This property can be That's true as well, but the processing flow is: - Server recognizes version alias, which permits it to find the token field - Server is able to obtain the Initial salt using the combination of version and token (whether it needs both is implementation-dependent) - Server uses salt to decrypt Initial packet contents I suggested the "permit ... to recover" language to remove the implication that the token *contains* the salt, but a server could certainly send the same version alias to different clients with different salts if the token enables the mapping. -- 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/3166#discussion_r342604097
- [quicwg/base-drafts] token-based greasing (#3166) Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing (#3… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Marten Seemann
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… David Schinazi
- Re: [quicwg/base-drafts] token-based greasing / i… Mike Bishop
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Martin Thomson
- Re: [quicwg/base-drafts] token-based greasing / i… David Schinazi
- Re: [quicwg/base-drafts] token-based greasing / i… Martin Thomson
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Martin Thomson
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… MikkelFJ
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Martin Thomson
- Re: [quicwg/base-drafts] token-based greasing / i… Mike Bishop
- Re: [quicwg/base-drafts] token-based greasing / i… Mike Bishop
- Re: [quicwg/base-drafts] token-based greasing / i… MikkelFJ
- Re: [quicwg/base-drafts] token-based greasing / i… David Schinazi
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… MikkelFJ
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Martin Thomson
- Re: [quicwg/base-drafts] token-based greasing / i… Kazuho Oku
- Re: [quicwg/base-drafts] token-based greasing / i… Mike Bishop
- Re: [quicwg/base-drafts] token-based greasing / i… Mike Bishop
- Re: [quicwg/base-drafts] token-based greasing / i… Martin Thomson
- Re: [quicwg/base-drafts] token-based greasing / i… Martin Thomson