I also support the adoption. Could the scope be extended to add other 
algorithms beside CMAC?

Best, Lijun

> On 18. Jun 2026, at 20:24, Michael Jones <[email protected]> wrote:
> 
> This note starts a second two-week call for adoption for AES-CMAC for COSE 
> https://datatracker.ietf.org/doc/draft-sipos-cose-cmac/, ending on Thursday, 
> July 2, 2026.  The chairs request active feedback from working group members 
> on whether they favor adoption.  We will include responses received after the 
> first call for adoption as input to this second one.
>  
>                                                 -- Mike (writing as a COSE 
> co-chair)
>  
> From: Brian Sipos <[email protected]>
> Sent: Wednesday, June 17, 2026 12:06 PM
> To: Michael Jones <[email protected]>
> Cc: [email protected]
> Subject: Re: [COSE] Call for adoption for draft-sipos-cose-cmac
>  
> Chairs,
> Any chance that the day-late responses can be considered for the adoption 
> call?
>  
> Thank you,
> Brian S.
>  
> On Tue, May 5, 2026 at 2:36 PM Michael Jones <[email protected] 
> <mailto:[email protected]>> wrote:
> This note starts a two-week call for adoption for AES-CMAC for 
> COSEhttps://datatracker.ietf.org/doc/draft-sipos-cose-cmac/.  Please indicate 
> here by Tuesday, May 19, 2026 whether you are in favor of adoption or not, 
> and the reasons for your position.
>  
>                                                                 Thank you,
>                                                 -- Ivo and Mike, COSE 
> co-chairs
>  
>  
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