I agree.  There seems to be quite a bit of opposition on the PKIX list to 
extending the length.  It was reasonably pointed out that things that process 
ASN.1 according to the schema will break.

However I would point out that this also rolls the other way — adding 
underscore should be safe, as the ASN.1 schema already allows this.

> On Apr 10, 2017, at 12:33 PM, Ryan Sleevi via Public <[email protected]> 
> wrote:
> 
> That's an interesting take. I read the same discussions and took quite the 
> opposite conclusion.
> 
> On Mon, Apr 10, 2017 at 3:23 PM, Ben Wilson via Public <[email protected] 
> <mailto:[email protected]>> wrote:
> All, <>
>  
> 
> I’ve posted the proposal to the PKIX list and haven’t heard sufficient 
> opposition on that list, IMHO, that would merit holding up this proposed 
> revision to the Baseline Requirements.  I need two endorsers for a ballot.
> 
>  
> 
> Thanks,
> 
>  
> 
> Ben   
> 
>  
> 
> From: Ryan Sleevi [mailto:[email protected] <mailto:[email protected]>] 
> Sent: Monday, April 3, 2017 9:59 AM
> To: CA/Browser Forum Public Discussion List <[email protected] 
> <mailto:[email protected]>>
> Cc: Ben Wilson <[email protected] <mailto:[email protected]>>
> Subject: Re: [cabfpub] RFC5280-related Ballot - For Discussion
> 
>  
> 
> For those who want to understand why the IETF rejected this change, the 
> thread begins at 
> 
>  
> 
> https://mailarchive.ietf.org/arch/msg/pkix/MJwKL1lqRDuEAhqQ1Ydb5eWBSIs/?qid=ace7ed4844045716922706d6a80b0747
>  
> <https://mailarchive.ietf.org/arch/msg/pkix/MJwKL1lqRDuEAhqQ1Ydb5eWBSIs/?qid=ace7ed4844045716922706d6a80b0747>
>  
> 
> You can also see https://datatracker.ietf.org/liaison/376/ 
> <https://datatracker.ietf.org/liaison/376/> and the discussion at 
> https://www.ietf.org/mail-archive/web/pkix/current/msg02361.html 
> <https://www.ietf.org/mail-archive/web/pkix/current/msg02361.html>
>  
> 
> This was reviewed prior to the production of 5280 - that is, it was known at 
> the time 5280 was produced, and was decided not to adopt - see 
> https://www.ietf.org/mail-archive/web/pkix/current/msg02357.html 
> <https://www.ietf.org/mail-archive/web/pkix/current/msg02357.html> and 
> https://www.ietf.org/mail-archive/web/pkix/current/msg02336.html 
> <https://www.ietf.org/mail-archive/web/pkix/current/msg02336.html>
>  
> 
> On Mon, Apr 3, 2017 at 11:22 AM, Ben Wilson via Public <[email protected] 
> <mailto:[email protected]>> wrote:
> 
> Here is a redlined version of sections 7.1.4.2.1 and 7.1.4.2.2 of the 
> Baseline Requirements which proposes amendments to the way the Baseline 
> Requirements handle the maximum length for subjectAltName, commonName and 
> organizationName and also clarifies the use of the underscore character.
> 
>  
> 
>  
> 
> Ben Wilson, JD, CISA, CISSP
> VP Compliance
> +1 801 701 9678 <tel:(801)%20701-9678>
> <image003.jpg>
> 
>  
> 
> 
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