Musings on Digital Identity

Working Group Draft for OAuth 2.0 Act-As and On-Behalf-Of

OAuth logoThere’s now an OAuth working group draft of the OAuth 2.0 Token Exchange specification, which provides Act-As and On-Behalf-Of functionality for OAuth 2.0. This functionality is deliberately modelled on the same functionality present in WS-Trust.

Here’s a summary of the two concepts in a nutshell: Act-As indicates that the requestor wants a token that contains claims about two distinct entities: the requestor and an external entity represented by the token in the act_as parameter. On-Behalf-Of indicates that the requestor wants a token that contains claims only about one entity: the external entity represented by the token in the on_behalf_of parameter.

This draft is identical to the previously announced token exchange draft, other than that is a working group document, rather than an individual submission.

This specification is available at:

An HTML formatted version is also available at:

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1 Comment

  1. amiri-ge

    amiri-ge

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