I've posted the JSON Web Key (JWK)
specification<http://self-issued.info/docs/draft-jones-json-web-key.html> for
representing public keys as JSON objects based on the decisions made at the
last IIW<http://self-issued.info/?p=390>. The introduction to the spec reads:
A JSON Web Key (JWK) is a JSON data structure that represents a set of public
keys as a JSON object. The JWK format is used to represent bare keys;
representing certificate chains is an explicit non-goal of this specification.
JSON Web Keys are referenced in JSON Web Signatures (JWSs) using the jku (JSON
Key URL) header parameter.
An example from the spec is:
{"keyvalues":
[
{"algorithm":"ECDSA",
"curve":"P-256",
"x":"MKBCTNIcKUSDii11ySs3526iDZ8AiTo7Tu6KPAqv7D4",
"y":"4Etl6SRW2YiLUrN5vfvVHuhp7x8PxltmWWlbbM4IFyM",
"keyid":"1"},
{"algorithm":"RSA",
"modulus":
"0vx7agoebGcQSuuPiLJXZptN9nndrQmbXEps2aiAFbWhM78LhWx4cbbfAAtVT86zwu1RK7aPFFxuhDR1L6tSoc_BJECPebWKRXjBZCiFV4n3oknjhMstn64tZ_2W-5JsGY4Hc5n9yBXArwl93lqt7_RN5w6Cf0h4QyQ5v-65YGjQR0_FDW2QvzqY368QQMicAtaSqzs8KJZgnYb9c7d0zgdAZHzu6qMQvRL5hajrn1n91CbOpbISD08qNLyrdkt-bFTWhAI4vMQFh6WeZu0fM4lFd2NcRwr3XPksINHaQ-G_xBniIqbw0Ls1jF44-csFCur-kEgU8awapJzKnqDKgw",
"exponent":"AQAB",
"keyid":"2011-04-29"}
]
}
The specification is available at these locations:
* http://www.ietf.org/internet-drafts/draft-jones-json-web-key-00.txt
* http://www.ietf.org/internet-drafts/draft-jones-json-web-key-00.xml
* http://self-issued.info/docs/draft-jones-json-web-key-00.html
* http://self-issued.info/docs/draft-jones-json-web-key-00.txt
* http://self-issued.info/docs/draft-jones-json-web-key-00.xml
* http://self-issued.info/docs/draft-jones-json-web-key.html (will point
to new versions as they are posted)
* http://self-issued.info/docs/draft-jones-json-web-key.txt (will point
to new versions as they are posted)
* http://self-issued.info/docs/draft-jones-json-web-key.xml (will point
to new versions as they are posted)
* http://svn.openid.net/repos/specifications/json_web_key/1.0/
(Subversion repository, with html, txt, and html versions available)
I also updated the description of the JSON Web Signature
(JWS)<http://self-issued.info/docs/draft-jones-json-web-signature.html> header
parameter "jku" (JSON Key URL) to reference the JWK spec in draft
-02<http://self-issued.info/docs/draft-jones-json-web-signature-02.html>.
-- Mike
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