Re: [pkix] World's smallest well-formed certificate

Rob Stradling <rob.stradling@comodo.com> Wed, 18 May 2016 13:20 UTC

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To: Erwann Abalea <eabalea@gmail.com>
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From: Rob Stradling <rob.stradling@comodo.com>
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Date: Wed, 18 May 2016 14:20:27 +0100
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Cc: "pkix@ietf.org" <pkix@ietf.org>, Sean Leonard <dev+ietf@seantek.com>
Subject: Re: [pkix] World's smallest well-formed certificate
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On 18/05/16 14:01, Erwann Abalea wrote:
> Bonjour,
>
> Your examples have serial numbers encoded with a zero length, this is
> not DER compliant.
> The Name type used for issuer and subject is an unconstrained SEQUENCE
> OF, so in theory it can be empty and be well-formed (from a DER point of
> view).

Good points.

> My proposal, 66 octets:
> -----BEGIN CERTIFICATE-----
> MEAwNgIBADADBgEAMAAwHhcNMTYwNTE4MDAwMDAwWhcNMTcwNTE4MDAwMDAwWjAA
> MAgwAwYBAAMBADADBgEAAwEA
> -----END CERTIFICATE-----

Erwann wins.  ;-)

-- 
Rob Stradling
Senior Research & Development Scientist
COMODO - Creating Trust Online