Re: [Moderator Action] Missing items in KeyUsage

On Mon, Apr 1, 2013 at 2:42 PM, Wendy Seltzer <wseltzer@w3.org> wrote:

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> -------- Original Message --------
> Subject: [Moderator Action] Missing items in KeyUsage
> Date: Sat, 30 Mar 2013 15:18:17 +0000
> From: Jim Schaad <ietf@augustcellars.com>
> To: <public-webcrypto@w3.org>
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> This may have already been covered in the past, I have not read all of the
> history yet, but there are a couple of things that I noticed about the
> KeyUsage enumeration that I found off.
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> 1.  There may be a desire to separate the idea of encrypt/decrypt between
> data and keys.  This leads to better separation of usage for key wrap items
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In my proposal for wrap/unwrap these are separate operations from
encrypt/decrypt and we define new usages "wrap" and "unwrap".


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> 2.  There may be a need to have a signOnce key usage as well.  If one is
> looking at creating an encrypt/decrypt only public key, one may still want
> to tag it as being able to do a single signature operation for the purposes
> of obtaining a certificate by signing a PKCS#10, CMC or CMP message.
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> 3.  The current set of key usages does not have a key agreement usage.
>  What
> is the current view of how Diffie-Hellman keys are marked?  They are not
> actually encrypt/decrypt keys.
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> Jim
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