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Re: [TLS] [Ietf-honest] Last Call: draft-ietf-tls-extractor (Keying Material Exporters for Transport Layer Security (TLS)) to Proposed Standard

Erick O <ericko0@yahoo.com> Fri, 18 September 2009 14:42 UTC

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Date: Fri, 18 Sep 2009 07:43:14 -0700
From: Erick O <ericko0@yahoo.com>
To: Todd Glassey <tglassey@earthlink.net>, Nicolas Williams <Nicolas.Williams@sun.com>
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Cc: "ietf-honest@lists.iadl.org" <ietf-honest@lists.iadl.org>, "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] [Ietf-honest] Last Call: draft-ietf-tls-extractor (Keying Material Exporters for Transport Layer Security (TLS)) to Proposed Standard
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________________________________
From: Todd Glassey <tglassey@earthlink.net>
To: Nicolas Williams <Nicolas.Williams@sun.com>
Cc: "ietf-honest@lists.iadl.org" <ietf-honest@lists.iadl.org>; "tls@ietf.org" <tls@ietf.org>
Sent: Thursday, July 23, 2009 12:48:41 PM
Subject: Re: [TLS] [Ietf-honest] Last Call: draft-ietf-tls-extractor (Keying Material Exporters for Transport Layer Security (TLS)) to Proposed Standard

Nicolas Williams wrote:
> On Thu, Jul 23, 2009 at 03:11:52PM -0400, Dean Anderson wrote:
>  
>> On Thu, 23 Jul 2009, Matthew Campagna wrote:
>>    
>>>  The official statement is the linked document, we update it from time to time.      
>> This is a problem. The official statement is the IPR disclosure, which
>> should contain the terms used by the IETF in its decision to approve the
>> document. Certicom should not be able to alter the terms after the fact,
>> which it seems to have just admitted doing.
>> 
>> I think that we have to consider rejecting documents where the terms are
>> not definite and/or can be altered at the whim of the patent holder.
>>    
> 
> There must at the very least be an audit trail and diffs for each
> change, otherwise an implementor might think they're not infringing on
> the basis of having read a version of an IPR disclosure that is later
> changed, and how would they prove this in court?
>  
Nico the real issue is the liability profile this opens for the IETF and its a nasty one IMHO.

Todd Glassey
> Nico
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