[Opendnssec-user] Some questions from a new ods user

Matthijs Mekking matthijs at nlnetlabs.nl
Thu Jul 5 13:34:55 UTC 2012


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On 07/05/2012 11:20 AM, Georg Sluyterman wrote:
> On 2012-07-05, at 10:45, Matthijs Mekking wrote:
> 
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>> 
>> Hi,
>> 
>> On 07/05/2012 10:27 AM, Sander Smeenk wrote:
>>> Quoting Georg Sluyterman (georg at sman.dk):
>>> 
> <---cut--->
>>>> When i choose an algorithm type for NSEC3 it seems that only
>>>> key type 1 is allowed and not e.g. 5 or 7, although key type
>>>> 1 is deprecated according to IANA 
>>>> (http://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.txt).
>>>>
>>>>
>>
>>>> 
Is this about to change, or is there some reason why this is the case?
>>> 
>>> No idea. :)
>> 
>> 
>> The number 1 refers to the NSEC3 hash algorithm type. Only SHA-1
>> is defined (1). I think you are confusing it with the DNSKEY
>> algorithm numbers, which should be set in the <Keys> section. If
>> you want to use NSEC3, you want to do 7.
>> 
> 
> 
> Okay.
> 
> Would i work with NSEC3 if i choose e.g. 8 (RSA/SHA-256) for <Key>
> for zsk and ksk?
> 

Yes. The use of the SHA-2 algorithm family signals that there exists
NSEC3 support.

Best regards,
  Matthijs
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