On May 24, 2013, at 12:40 PM, Richard Barnes <[email protected]> wrote:

> Dear JOSE,
> 
> At the interim, it seemed like there was agreement on key wrapping at least
> in the case of wrapping a JWK-structured key (as opposed to a bare
> symmetric key).  Namely, we agreed to use JWE to wrap the JWK structure.
> 
> It seems to me that it would be prudent to add this recommendation as a
> section in JWK.  Since we're defining private key attributes, we should
> define in the same document how to protect them.
> 
> """
> X.  Wrapped Key Format
> 
> A wrapped key is a JWE object with a key as its payload, encoded as a
> serialized JWK object.  The "cty" attribute of a wrapped key MUST be set to
> the JWK MIME type, "application/jwk+json".  The processing of wrapped keys
> is identical to normal JWE processing.
> """
> 
> Do people find that to be sufficient text to explain how to generate and
> process wrapped keys (as JWK within JWE)?
> 
> 

That looks reasonable to me, provided it is paired with one or two complete 
examples.


- m&m

Matt Miller < [email protected] >
Cisco Systems, Inc.


> 
> P.S. The astute reader will note that this text is adapted
> from draft-barnes-jose-key-wrapping-01
> <http://tools.ietf.org/html/draft-barnes-jose-key-wrapping-01#section-2>
> This is not an accident.  I'm proposing to first address the question of
> key wrapping in general; then we can talk about whether we want to
> special-case symmetric keys with no attributes.

Attachment: smime.p7s
Description: S/MIME cryptographic signature

_______________________________________________
jose mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/jose

Reply via email to