Re: [secdir] secdir review of draft-ietf-sasl-gs2-17

Alexey Melnikov <alexey.melnikov@isode.com> Mon, 23 November 2009 21:46 UTC

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Date: Mon, 23 Nov 2009 21:46:00 +0000
From: Alexey Melnikov <alexey.melnikov@isode.com>
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To: Nicolas Williams <Nicolas.Williams@sun.com>
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Cc: iesg@ietf.org, simon@josefsson.org, 'Kurt Zeilenga' <Kurt.Zeilenga@Isode.com>, Glen Zorn <gwz@net-zen.net>, secdir@ietf.org
Subject: Re: [secdir] secdir review of draft-ietf-sasl-gs2-17
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Nicolas Williams wrote:

>On Fri, Nov 20, 2009 at 02:39:59PM -0500, Glen Zorn wrote:
>  
>
>>The first paragraph says:
>>
>>   GS2 does not use any GSS-API per-message tokens.  Therefore the
>>   setting of req_flags related to per-message tokens is irrelevant.
>>
>>OK, but what should the client and server behavior should be WRT the flags?
>>    
>>
>There's no actual behavior w.r.t. req_flags and ret_flags.  The GSS-API
>mechanism is free to enable per-msg token features not requested by the
>caller, but they are truly irrelevant: the application won't be using
>per-msg tokens.  It may make things simpler if we explicitly require
>that req_flags not be set:
>
>   GS2 does not use any GSS-API per-message tokens.  Therefore the
>   per-message token ret_flags from GSS_Init_sec_context() and
>   GSS_Accept_sec_context() are irrelevant; implementations SHOULD NOT
>   set the per-message req_flags.
>
I agree this would be an improvement.

>
>  
>