Proposed Refactoring of JOSE to Align Encryption and Key Wrapping

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Last updated 2013-11-06 (latest revision 2013-05-05)
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The discussions around key wrapping in the JOSE working group have raised new requirements for wrapped keys, namely: (1) Wrapping keys other than symmetric keys, (2) cryptographically binding attributes to keys, and (3) allowing the use of AEAD cryptographic algorithms for key wrapping (other than AES-KW). This document proposes a refactoring of the JOSE document set that provides a cleaner conceptual structure for JWS / JWE and transparent support for wrapped keys, all with a relatively minor impact on the compact form of JWS and JWE objects.


Richard Barnes (

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