[Openid-specs-ab] [openid/connect] Contradictory OPTIONAL MUSTs in JWT Client Authentication (issue #695)
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Fri Jan 11 00:23:46 UTC 2013
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New issue 695: Contradictory OPTIONAL MUSTs in JWT Client Authentication
http://openid.net/specs/openid-connect-messages-1_0-14.html#client_authentication for both client_secret_jwt and private_key_jwt has "The JWT MUST contain the Claims:" followed by a number of claims that including "iat" that is listed as OPTIONAL within the context of MUST, which is confusing at best and a logical contraindication at worse.
Note that iat is optional in http://tools.ietf.org/html/draft-jones-oauth-jwt-bearer-04 so probably should be in Connect too.
Seems the wording just needs to be reworked (or iat removed from this section of Connect) to avoid the contraction.
FWIW, there's also a ton of verbatim duplicate text between the client_secret_jwt and private_key_jwt sections that could probably be consolidated.
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