Re: [OAUTH-WG] Signatures, Why?

Eve Maler <eve@xmlgrrl.com> Fri, 12 March 2010 22:09 UTC

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From: Eve Maler <eve@xmlgrrl.com>
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Date: Fri, 12 Mar 2010 14:09:22 -0800
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To: Brian Eaton <beaton@google.com>
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Subject: Re: [OAUTH-WG] Signatures, Why?
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Agreed that token signing is separate from message signing as a proposition.  I just happened to stick all of our "signing" conversations into one bucket of notes...  Sorry that was confusing.

	Eve

On 12 Mar 2010, at 11:06 AM, Brian Eaton wrote:

> On Fri, Mar 12, 2010 at 10:22 AM, Eve Maler <eve@xmlgrrl.com> wrote:
>> It was observed that the argument in the OAuth community about token size
>> seems to be related to token signing, thusly: those who are willing to
>> require the Authorization Server to be stateless need large meaningful
>> tokens and want them signed; those who can use a stateful Authorization
>> Server can use small opaque tokens that don't need signing.
> 
> This seems orthogonal.  The confusion in this working group has not,
> for the most part, been about whether access tokens should be signed.
> 
> The debate has been more about whether clients need to use signatures
> when requesting access tokens, or when using access tokens.  On one
> side there are people who would prefer bearer tokens, and on the other
> side there are folks who want crypto in various bits of the protocol
> to meet different use cases.
> 
> Cheers,
> Brian


Eve Maler
eve@xmlgrrl.com
http://www.xmlgrrl.com/blog