Re: [Gen-art] Gen-ART LC Review of draft-ietf-nsis-nslp-auth-06

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Hi,

where are we with regards to resolving this discuss?

Lars

On 2010-9-9, at 19:51, Roland Bless wrote:

> Hi Russ,
> 
> On 09.09.2010 16:56, Russ Housley wrote:
>> Will any implementations be impacted?  If not, we should ask the
>> Security ADs for their best suggestion.
> 
> At least we have one implementation, but it's nothing that
> we couldn't change easily. So getting advice from the security
> ADs would be good. RFC4270 recommends to change to
> HMAC-SHA-256+, but I don't know whether there exist already better
> alternatives.
> 
> Regards,
> Roland
> 
>> On 9/8/2010 7:24 PM, Roland Bless wrote:
>>>> -- section 4.1.1, 2nd paragraph:
>>>>> 
>>>>> Is HMAC-MD5 still a reasonable choice for a single mandatory-to-implement algorithm these days?
>>> Good question. I thought that HMACs are not so strongly
>>> affected by the discovered hash algorithm weaknesses w.r.t. collision
>>> attacks. I could change this to HMAC-SHA-256 though. Any
>>> other suggestions?
>>> 
> 
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<<attachment: smime.p7s>>

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