Re: [core] Allowing non-HMAC based KDF in OSCORE

Christian Amsüss <christian@amsuess.com> Tue, 07 April 2020 09:12 UTC

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Date: Tue, 7 Apr 2020 11:12:43 +0200
From: Christian =?iso-8859-1?Q?Ams=FCss?= <christian@amsuess.com>
To: John Mattsson <john.mattsson@ericsson.com>
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Subject: Re: [core] Allowing non-HMAC based KDF in OSCORE
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On Tue, Apr 07, 2020 at 04:33:12AM +0000, John Mattsson wrote:
> [JPM] I was more thinking that Group OSCORE document already now writes that
> 
>     This document updates RFC 8613 as follows:
>    
>     OLD: The HKDF MUST be one of the HMAC-based HKDF [RFC5869] algorithms
>    defined for COSE [RFC8152].
> 
>    NEW: The KDF MUST be one of the KDF algorithms defined for COSE [RFC8152]

I was probably too hasty reading that; yes, that's even better to me.

Thanks
c