Re: [jose] Issue #13 - use AES-GCM for Key Wrapping

[Edmund Jay <[e-mail]>]

I'm in favor of supporting Mike's proposal due to simplicity.


________________________________
 From: Roland Hedberg <[e-mail]>
To: "[e-mail]" <[e-mail]> 
Cc: John Bradley <[e-mail]>; Mike Jones <[e-mail]>; Jim Schaad <[e-mail]> 
Sent: Tuesday, June 25, 2013 11:52 PM
Subject: Re: [jose] Issue #13 - use AES-GCM for Key Wrapping
 

Likewise, I also prefer Mike's proposal.

26 jun 2013 kl. 01:28 skrev John Bradley <[e-mail]>:

> I prefer the approach Mike is proposing.   It is overall simper and less restructuring.
> 
> John B.
> On 2013-06-25, at 7:18 PM, Mike Jones <[e-mail]> wrote:
> 
>> http://tools.ietf.org/html/draft-jones-jose-aes-gcm-key-wrap-00 seems like a substantially simpler approach thanhttp://tools.ietf.org/html/draft-barnes-jose-key-wrapping-01.  This is evident by several metrics:
>> ·         Number of proposed changes:  The Jones draft proposes no changes to any of the current specs.  It simply defines an encoding for GCM and adds registry entries for it.  Whereas the Barnes draft proposes a major restructuring – listing 4 major changes in the introduction and 4 smaller changes.
>> ·         Normative text size:  The Jones GCM key wrap approach requires only 7 normative sentences in 1/2 page of text.  The Barnes draft has four pages of normative text, along with an extensive introduction describing the proposed complete restructuring of JWS and JWE.
>>  
>> We don’t need to boil the ocean with a total redesign to enable AEAD key wrapping.  It can already easily be done with the current specs simply by defining new algorithms.  The approach taken in http://tools.ietf.org/html/draft-jones-jose-aes-gcm-key-wrap-00 would work for any AEAD algorithm.
>>  
>>                                                                 -- Mike
>>  
>> From: [e-mail] [mailto:[e-mail]] On Behalf Of Jim Schaad
>> Sent: Tuesday, June 25, 2013 9:53 AM
>> To: [e-mail]
>> Subject: [jose] Issue #13 - use AES-GCM for Key Wrapping
>>  
>> We now have two documents – one from Richard and one from Mike – which provide the two different ways that have been proposed for doing key wrapping with an AEAD algorithm.
>>  
>> Please review the two documents and provide comments to the list.
>>  
>> Jim
>>  
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> 

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