Re: [kitten] Éric Vyncke's No Objection on draft-ietf-kitten-tls-channel-bindings-for-tls13-14: (with COMMENT)

"Eric Vyncke (evyncke)" <evyncke@cisco.com> Thu, 03 March 2022 12:33 UTC

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From: "Eric Vyncke (evyncke)" <evyncke@cisco.com>
To: Alexey Melnikov <alexey.melnikov@isode.com>, The IESG <iesg@ietf.org>
CC: "draft-ietf-kitten-tls-channel-bindings-for-tls13@ietf.org" <draft-ietf-kitten-tls-channel-bindings-for-tls13@ietf.org>, "kitten-chairs@ietf.org" <kitten-chairs@ietf.org>, "kitten@ietf.org" <kitten@ietf.org>
Thread-Topic: Éric Vyncke's No Objection on draft-ietf-kitten-tls-channel-bindings-for-tls13-14: (with COMMENT)
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Subject: Re: [kitten] Éric Vyncke's No Objection on draft-ietf-kitten-tls-channel-bindings-for-tls13-14: (with COMMENT)
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Thank you Alexey for the clarification

Kind regards

-éric

-----Original Message-----
From: Alexey Melnikov <alexey.melnikov@isode.com>
Date: Thursday, 3 March 2022 at 12:58
To: Eric Vyncke <evyncke@cisco.com>, The IESG <iesg@ietf.org>
Cc: "draft-ietf-kitten-tls-channel-bindings-for-tls13@ietf.org" <draft-ietf-kitten-tls-channel-bindings-for-tls13@ietf.org>, "kitten-chairs@ietf.org" <kitten-chairs@ietf.org>, "kitten@ietf.org" <kitten@ietf.org>
Subject: Re: Éric Vyncke's No Objection on draft-ietf-kitten-tls-channel-bindings-for-tls13-14: (with COMMENT)

    Hi Éric,

    Just to clarify 1 thing:

    On 01/03/2022 12:05, Éric Vyncke via Datatracker wrote:
    > I am also assuming that in section 2 the length is really 32 octets while the
    > string "EXPORTER-Channel-Binding" has only 25 characters (I had no time to dig
    > into the details of RFC 5705).
    The label is input to the hashing function described in RFC 8446. The 
    output length of that function is 32 octets.

    Best Regards,
    Alexey