Re: [Rats] Clarifications around Endorsements scope

Laurence Lundblade <lgl@island-resort.com> Tue, 03 August 2021 01:45 UTC

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From: Laurence Lundblade <lgl@island-resort.com>
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Date: Mon, 02 Aug 2021 18:45:07 -0700
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To: Michael Richardson <mcr+ietf@sandelman.ca>
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Subject: Re: [Rats] Clarifications around Endorsements scope
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> On Aug 2, 2021, at 1:53 PM, Laurence Lundblade <lgl@island-resort.com> wrote:
> 
>> 
>> On Aug 2, 2021, at 1:00 PM, Michael Richardson <mcr+ietf@sandelman.ca> wrote:
>> 
>> 
>> Laurence Lundblade <lgl@island-resort.com> wrote:
>>   mcr> If you are going to create a certificate-like entity using EAT, and there is
>>   mcr> a nonce, then you have to decide who creates the nonce.
>> 
>>> This thread is not about EAT in particular, nor about creating
>>> certificate-like entities.
>> 
>>> It is about trying to clarify understanding of an endorsements.
>> 
>> I don't think you want/need nonces in endorsements or certificates.
>> They don't add anything if you have more than one entity acting as a Verifier.
>> 
>> I think that the equivalent "notBefore" and "notAfter" is appropriate,
>> possibly with application of similiar considerations as per:
>> 
>> RFC 8739 [Support for Short-Term, Automatically Renewed (STAR) Certificates
>>   in the Automated Certificate Management Environment (ACME)]
>> 
>> such that you would renew Endorsements frequently, rather than attempt to
>> revoke them.
> 
> Yes, agree with all that.

Also, sorry if my mentioning nonce in the example was confusing.

LL