[cryptography] Client certificate crypto with a twist

Ben Laurie ben at links.org
Thu Oct 11 04:45:00 EDT 2012

On Wed, Oct 10, 2012 at 4:34 PM, Joe St Sauver <joe at oregon.uoregon.edu> wrote:
> The nice part about Shib, from a privacy POV, is that you only release/get
> the attributes that may be necessary (thereby preserving user privacy).

A rather optimistic view of federated identity...

a) Who determines what is "necessary" and how?

b) How do you prevent collusion between SPs or SPs and IdPs?

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