Re: [COSE] [Technical Errata Reported] RFC8152 (5669)

[Jim Schaad <[e-mail]>]

Yeah, that is a cut and paste error.  I just make everything be the generic
type and forgot to clean them down.

Should do that as part of the bis update.

Jim


> -----Original Message-----
> From: Benjamin Kaduk <[e-mail]>
> Sent: Sunday, March 24, 2019 2:48 PM
> To: Jim Schaad <[e-mail]>
> Cc: 'RFC Errata System' <[e-mail]>; [e-mail];
> [e-mail]; [e-mail]; [e-mail];
> [e-mail]
> Subject: Re: [Technical Errata Reported] RFC8152 (5669)
> 
> On Sun, Mar 24, 2019 at 09:27:50AM +0100, Jim Schaad wrote:
> > In the CBOR encoding it is pretty simple as non-negative integers and
> > negative integers are encoded as separate types.
> 
> Right.  But if I look at, e.g.,
> 
>    COSE_Key = {
>        1 => tstr / int,          ; kty
>        ? 2 => bstr,              ; kid
>        ? 3 => tstr / int,        ; alg
>        ? 4 => [+ (tstr / int) ], ; key_ops
>        ? 5 => bstr,              ; Base IV
>        * label => values
>    }
> 
> that has 'kty' as tstr / int, and 'int' is defined as either an unsigned
integer or a
> negative integer, so that doesn't really force it to be in the unsigned
space.
> 
> (I'm not terribly sure that that's the right CDDL in which values from the
> registry go, though.)
> 
> -Ben