Re: [CFRG] Proposed resolution for erratum 5930 on RFC 8032

Simon Josefsson <simon@josefsson.org> Fri, 15 January 2021 17:43 UTC

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From: Simon Josefsson <simon@josefsson.org>
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Date: Fri, 15 Jan 2021 18:42:55 +0100
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References: <42fdca41-bfdd-9d75-b144-0e2f3b5fa1d9@isode.com>
Cc: Ilari Liusvaara <ilariliusvaara@welho.com>, cfrg@irtf.org
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To: Alexey Melnikov <alexey.melnikov@isode.com>
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Subject: Re: [CFRG] Proposed resolution for erratum 5930 on RFC 8032
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+1

/Simon

> 15 jan. 2021 kl. 18:39 skrev Alexey Melnikov <alexey.melnikov@isode.com>om>:
> 
> Dear CFRG (and editors),
> 
> Daniel Bleichenbacher submitted the following editorial erratum on RFC 8032 ("Edwards-Curve Digital Signature Algorithm (EdDSA)")
> 
> Section 6 says:
> 
> OLD:
> 
> def verify(public, msg, signature):
>     if len(public) != 32:
>         raise Exception("Bad public key length")
>     if len(signature) != 64:
>         Exception("Bad signature length")
> 
> It should say:
> 
> def verify(public, msg, signature):
>     if len(public) != 32:
>         raise Exception("Bad public key length")
>     if len(signature) != 64:
>         raise Exception("Bad signature length")
> 
> 
> Note: Missing raise before Exception
> 
> -------------------
> 
> This is indeed looks like a Python syntax error. So I propose to resolve this erratum as suggested by Daniel.
> 
> Please provide your feedback by the end of January 29th.
> 
> 
> Best Regards,
> 
> Alexey, as a co-chair
> 
>