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Re: [TLS] [Editorial Errata Reported] RFC4492 (4633)

Bodo Moeller <bmoeller@acm.org> Wed, 02 March 2016 20:59 UTC

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Date: Wed, 02 Mar 2016 21:59:05 +0100
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From: Bodo Moeller <bmoeller@acm.org>
To: RFC Errata System <rfc-editor@rfc-editor.org>
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Subject: Re: [TLS] [Editorial Errata Reported] RFC4492 (4633)
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RFC Errata System <rfc-editor@rfc-editor.org>:

> The following errata report has been submitted for RFC4492,
> "Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer
> Security (TLS)".
>
> --------------------------------------
> You may review the report below and at:
> http://www.rfc-editor.org/errata_search.php?rfc=4492&eid=4633
>
> --------------------------------------
> Type: Editorial
> Reported by: Kurt Roeckx <kurt@roeckx.be>
>
> Section: 5.1.1
>
> Original Text
> -------------
>         struct {
>             NamedCurve elliptic_curve_list<1..2^16-1>
>         } EllipticCurveList;
>
> Corrected Text
> --------------
>         struct {
>             NamedCurve elliptic_curve_list<2..2^16-1>
>         } EllipticCurveList;
>
> Notes
> -----
> The count is in bytes, not items.
>

I agree with this finding.  Each NamedCurve value takes exactly two bytes,
so the floor should have been specified as 2, not 1.

Bodo

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