[oauth] Affinity between access tokens and consumer identity

2010-02-01 Thread Onmyouji
I had a question on OAuth version 1.0a that I’m hoping you could help me find an answer to: It looks like to me that in the spec there is no requirement for some affinity between the Consumer Key/Consumer Secret, and the Access token. So here’s the scenario: for some services, Consumer may

[oauth] 2-legged OAuth -- why it's great, what it's missing

2010-02-01 Thread John Joseph Bachir
Here's my view of why 2-legged OAuth (which isn't really OAuth) is such a handy tool to have for a system already using OAuth. Here are some problems that 2-legged OAuth does *not* have, and a list of other solutions that do (each assumes best possible implementation on both ends). - the

[oauth] Re: 2-legged OAuth -- why it's great, what it's missing

2010-02-01 Thread John Joseph Bachir
On Sat, Jan 30, 2010 at 5:32 PM, John Joseph Bachir johnjosephbac...@gmail.com wrote: I realize that this wasn't one of the goals of OAuth, and on a service-by-service basis it seems reasonable for the onus of security and data-management to be Hit the save button too soon on that -- was

[oauth] Re: 2-legged OAuth -- why it's great, what it's missing

2010-02-01 Thread John Kristian
In theory, a service provider could handle a change of consumer credentials, and continue to accept access tokens that it issued to that consumer previously. But that seems dangerous. If the consumer credentials were revealed to an attacker, it seems likely that access tokens and secrets were also