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Re: [jose] JOSE in Python

Richard Barnes <rlb@ipv.sx> Fri, 16 August 2013 17:09 UTC

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Date: Fri, 16 Aug 2013 13:09:31 -0400
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From: Richard Barnes <rlb@ipv.sx>
To: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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Subject: Re: [jose] JOSE in Python
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On Fri, Aug 16, 2013 at 12:55 PM, Stephen Farrell <stephen.farrell@cs.tcd.ie
> wrote:

>
>
> On 08/16/2013 03:12 AM, Richard Barnes wrote:
> > If you tried to do something similar with CMS or IKE, I think the
> > combinatorics would be similar.  The TLS cipher suite registry is of
> > comparable size,
>
> So I need to go read the jose drafts again I guess but
> if anything like 300 of anything are MTI then I reckon
> that's a fail. (I also think the TLS ciphersuite registry
> is an example of an IETF fail btw, maybe one that we
> can improve on with TLS1.3 though hopefully;-)
>
> S.
>

There aren't 300 separate things you need to implement.  There are 12 for
JWS and 22 (16 + 6) for JWE.  And not all of those are MTI.

The big scary numbers just come from trying out the combinations.

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