Re: [precis] Eric Rescorla's No Objection on draft-ietf-precis-7613bis-08: (with COMMENT)

Eric Rescorla <ekr@rtfm.com> Wed, 05 July 2017 22:14 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Wed, 5 Jul 2017 15:13:55 -0700
Message-ID: <CABcZeBPzZzNX-KP-Uji5-Bt_zdnGOFY7r+ptBn-itTM6f3zbmA@mail.gmail.com>
To: Peter Saint-Andre <stpeter@stpeter.im>
Cc: The IESG <iesg@ietf.org>, precis@ietf.org, draft-ietf-precis-7613bis@ietf.org, precis-chairs@ietf.org
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Subject: Re: [precis] Eric Rescorla's No Objection on draft-ietf-precis-7613bis-08: (with COMMENT)
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On Wed, Jul 5, 2017 at 3:12 PM, Peter Saint-Andre <stpeter@stpeter.im>;
wrote:

> On 7/5/17 2:05 PM, Eric Rescorla wrote:
> > Eric Rescorla has entered the following ballot position for
> > draft-ietf-precis-7613bis-08: No Objection
> >
> > When responding, please keep the subject line intact and reply to all
> > email addresses included in the To and CC lines. (Feel free to cut this
> > introductory paragraph, however.)
> >
> >
> > Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.
> html
> > for more information about IESG DISCUSS and COMMENT positions.
> >
> >
> > The document, along with other ballot positions, can be found here:
> > https://datatracker.ietf.org/doc/draft-ietf-precis-7613bis/
> >
> >
> >
> > ----------------------------------------------------------------------
> > COMMENT:
> > ----------------------------------------------------------------------
> >
> > I agree with jsalowey's point about discouraging raw password
> comparison. Can
> > you do something about that?
>
> In version -08 we added the following text:
>
> 8.2.  Password/Passphrase Comparison
>
>    In systems that conform to modern best practices for security,
>    verification of passwords during authentication will not use the
>    comparison defined in Section 4.2.3.  Instead, because the system
>    performs cryptographic calculations to verify the password, it will
>    prepare the password as defined in Section 4.2.1 and enforce the
>    rules as defined in Section 4.2.2 before performing the relevant
>    calculations.
>

OK, I can live with this.

-Ekr


>
> > The use of "false positive" is confusing because positive can either mean
> > "accept" or "reject". I would use "false accept" or "false reject" or
> some
> > other clearer term
>
> That's a good suggestion - we'll incorporate that change in the
> post-IESG revision.
>
> Peter
>
>
>