Re: [jose] jwk

Axel Nennker <ignisvulpis@gmail.com> Wed, 24 October 2012 21:14 UTC

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Date: Wed, 24 Oct 2012 23:14:20 +0200
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From: Axel Nennker <ignisvulpis@gmail.com>
To: Mike Jones <Michael.Jones@microsoft.com>
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Subject: Re: [jose] jwk
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In the case where I generate the keypair on the fly I do not have an URL to
put in x5u. And a cert in not a public key. I want bare keys.
I don't know how x5u and x5c help here.

I have the problem that I don't know how to convert (exp,mod) into a pubkey
on one platform (Firefox). I think that PEM is easier.
I think the same might be true an other platforms too.

Another reason I think that PEM is better is that there are command line
tools to produce PEM-encoded keys while I don't know any tool to produce
(exp, mod).

--Axel

2012/10/24 Mike Jones <Michael.Jones@microsoft.com>

>  To be clear, JWS and JWE already support the use of PEM encoded keys
> through the "x5c" and "x5u" parameters.  Therefore, I don't see any need to
> also add X.509-based key formats to JWK itself.****
>
> ** **
>
>                                                             -- Mike****
>
> ** **
>
> *From:* Axel Nennker [mailto:ignisvulpis@gmail.com]
> *Sent:* Wednesday, October 24, 2012 12:55 PM
> *To:* jose@ietf.org
> *Cc:* Mike Jones
> *Subject:* jwk****
>
> ** **
>
>
> I think that having more choices other than (xpo, mod) is useful.
> I believe that it is easier for me to implement keys in Firefox if I have
> PEM encoded keys.
>
> So the format could be:
>
> user_jwk : {"pub":
> "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4OTqe0p1tgEoOVtDzjQI
> yP1Ipo8ivqTIeH4yH9kLzI4fCKx6ggZJ3h9ecj4p5E355umCThN/1doBc/tq18VGlNtyDNxCh45Z1zGYJKwZxaVaWQXlB2gfgnko1D+Zw9KIlipQHtnhJw/qREEIp4YOgaGcSZBCcQQ4DYCOjfTTbKUXSTlrlOgflfgTiyhUFuiKWkoeivwASigL76PtYNYc
> n+dlYKYB/vSQ2CY7FtaDcr22EdqUDVPLNg1+K1rsvHvllP7iTnXA5IgxT5JELdrk
> KX9Ek68zDzelOaJxs2tbkkwbqSLQfREzQ/yGAIOW9rZVqlaVBEBzUYzREmeybVq3 gwIDAQAB"
> }
> // PEM encoded public key without linebreaks
>
> A more general format would be:
>
> jwk: { "-----BEGIN PUBLIC KEY-----":
> "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4OTqe0p1tgEoOVtDzjQI
> yP1Ipo8ivqTIeH4yH9kLzI4fCKx6ggZJ3h9ecj4p5E355umCThN/1doBc/tq18VGlNtyDNxCh45Z1zGYJKwZxaVaWQXlB2gfgnko1D+Zw9KIlipQHtnhJw/qREEIp4YOgaGcSZBCcQQ4DYCOjfTTbKUXSTlrlOgflfgTiyhUFuiKWkoeivwASigL76PtYNYc
> n+dlYKYB/vSQ2CY7FtaDcr22EdqUDVPLNg1+K1rsvHvllP7iTnXA5IgxT5JELdrk
> KX9Ek68zDzelOaJxs2tbkkwbqSLQfREzQ/yGAIOW9rZVqlaVBEBzUYzREmeybVq3 gwIDAQAB"
> }
>
> This general format could be used for private keys too.
>
> What do you think?
>
> Axel
>
> ps: Don't know whether I can post from this email address.... Mike, would
> you lease post it if it does appear in your inbox but not on the list.
> Thanks.****
>