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JOSE New Specs & New Features

JOSE New Specs & New Features. Mike Jones Microsoft Identity Standards Architect March 27, 2012. New Features. JWS and JWE: jpk for including JWK public key in header x5c for including X.509 certificate chain in header JWE: Add integrity check for non-AEAD algorithms JWA:

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JOSE New Specs & New Features

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  1. JOSE New Specs & New Features Mike Jones Microsoft Identity Standards Architect March 27, 2012

  2. New Features • JWS and JWE: • jpk for including JWK public key in header • x5c for including X.509 certificate chain in header • JWE: • Add integrity check for non-AEAD algorithms • JWA: • Add AES Key Wrap with 512 bit keys (A512KW) • Moved JWS "alg":"none" here from JWT spec

  3. New JSON Serialization Specs • Meet WG requirements: • JSON top-level representations of signed/HMACed and encrypted content • Multiple signatures/HMACs over same payload • Encrypt same plaintext to multiple recipients • New Specs: • JSON Web Signature JSON Serialization (JWS-JS) • draft-jones-json-web-signature-json-serialization • JSON Web Encryption JSON Serialization (JWE-JS) • draft-jones-json-web-encryption-json-serialization

  4. Example JWS-JS {"headers":[ "eyJhbGciOiJSUzI1NiJ9", "eyJhbGciOiJFUzI1NiJ9"], "payload":"eyJpc3MiOiJqb2UiLA0KICJleHAiOjEzMDA4MTkzODAsDQogImh0 dHA6Ly9leGFtcGxlLmNvbS9pc19yb290Ijp0cnVlfQ", "signatures":[ "cC4hiUPoj9Eetdgtv3hF80EGrhuB__dzERat0XF9g2VtQgr9PJbu3XOiZj5RZ mh7AAuHIm4Bh-0Qc_lF5YKt_O8W2Fp5jujGbds9uJdbF9CUAr7t1dnZcAcQjbKBY NX4BAynRFdiuB--f_nZLgrnbyTyWzO75vRK5h6xBArLIARNPvkSjtQBMHlb1L07Q e7K0GarZRmB_eSN9383LcOLn6_dO--xi12jzDwusC-eOkHWEsqtFZESc6BfI7noO PqvhJ1phCnvWh6IeYI2w9QOYEUipUTI8np6LbgGY9Fs98rqVt5AXLIhWkWywlVmt VrBp0igcN_IoypGlUPQGe77Rw", "DtEhU3ljbEg8L38VWAfUAqOyKAM6-Xx-F4GawxaepmXFCgfTjDxw5djxLa8IS lSApmWQxfKTUJqPP3-Kg6NU1Q"] }

  5. Compare to JWS Example Format Header.Payload.Signature: eyJhbGciOiJFUzI1NiJ9. eyJpc3MiOiJqb2UiLA0KICJleHAiOjEzMDA4MTkzODAsDQogImh0 dHA6Ly9leGFtcGxlLmNvbS9pc19yb290Ijp0cnVlfQ. lSApmWQxfKTUJqPP3-Kg6NU1Q

  6. Why are the headers base64url encoded? • Why: • "eyJhbGciOiJFUzI1NiJ9" • Rather than: • {"alg":"ES256"} • Simple answer: • Header contents is signed/HMACed

  7. Request for WG Draft Status • Request WG decision to move JSON Serialization docs WG doc status • JSON Web Signature JSON Serialization (JWS-JS) • draft-jones-json-web-signature-json-serialization • JSON Web Encryption JSON Serialization (JWE-JS) • draft-jones-json-web-encryption-json-serialization

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