It’s too soon. Only a year or so again there was only hmac-md5

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> On Mar 14, 2019, at 15:53, Martin Hoffmann <mar...@opennetlabs.com> wrote:
> 
> Hi,
> 
> when looking over draft-ietf-dnsop-rfc2845bis I was hoping that it
> would relax the mandatory requirement for HMAC-MD5, but no such luck.
> 
> Given that most protocols have either made MD5 optional or banned it
> outright, some modern crypto libraries have decided to drop it from
> their supported algorithms. It seems to me that forcing new code to
> include dependencies for MD5 is unnecessary.
> 
> As such, I would like to propose to move HMAC-MD5 to optional and only
> retain SHA-1 and SHA-256 as mandatory.
> 
> Kind regards,
> Martin
> 
> 
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