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Re: [lamps] draft-ietf-lamps-cmp-updates

Russ Housley <housley@vigilsec.com> Mon, 27 July 2020 16:26 UTC

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From: Russ Housley <housley@vigilsec.com>
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Date: Mon, 27 Jul 2020 12:26:25 -0400
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To: "Brockhaus, Hendrik" <hendrik.brockhaus@siemens.com>
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Subject: Re: [lamps] draft-ietf-lamps-cmp-updates
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> On Jul 27, 2020, at 12:22 PM, Brockhaus, Hendrik <hendrik.brockhaus@siemens.com> wrote:
> 
> Russ
> 
> Thanks for having a coser look at the ASN.1 module.
> Actually I am a little uncertain how to properly specify things. :-(
> 
>> Von: Russ Housley <housley@vigilsec.com>
>> 
>> IANA has made the assignment for id-kp-cmKGA.
> 
> That is great. I will add the OID in the next release of the draft.
> 
>> 
>> I was looking at Appendix A in the draft, and it is not completely clear to me
>> what the revised ASN.1 module looks like:
>> 
>> First, the source of some imports is updated.  No big deal.
>> 
>> Second, in CertifiedKeyPair and CertOrEncCert, the EncryptedValue os replaced
>> with EncryptedKey.
>> 
>> Third, id-it-revPassphrase (which is in a comment) is associated with
>> EncryptedKey instead of EncryptedValue.
> 
> Finally, I do not fully understand this specification, too. 
> My goal is to update OID {id-it 12}  as specified in section 5.3.19.9 and the only lines in the ASN.1 module on this OID is in comments?

Right, so it is just and updated comment; however, the place were this is defined needs to be updated too, right?

> 
>> 
>> Fourth, id-kp-cmKGA is added to the list of EKU values, but these do not appear
>> in the previous module anywhere.  Where do they belong?
> 
> You are right. The EKUs id-kp-cmcCA and id-kp-cmcRA must be imported from RFC6402 and can be deleted from this draft. But the id-kp-cmKGA must be specified here, right? 

Yes, that is correct.

Russ

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