Contract Exchange

• Encryption
  •  JSON Encryption Envelop
    • enc_type_asy
      • デフォルトはPKCS#1パディング。 OAEPも選べる。

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OpenID CX WG

•  http://openid.net/pipermail/specs-cx/
• Repository :  http://github.com/hdknr/Contract-Exchange-Extension
  • master :  http://github.com/openid/Contract-Exchange-Extension.git

    $ git checkout master
    $ git pull git://github.com/openid/Contract-Exchange-Extension.git master
    

• UML sequence diagram for  http://www.websequencediagrams.com/
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OpenID CX (Contract Exchange)

• Same use cases as in OpenID TX
•  Google Dos by =Nat
• Protocols
  1. XRDS? revised : Exchange public key and signature for XRD
  2. OpenID AX reivsed(optional) : To simplfy CX messaging
  3. OpenID DSig(new) : Message authentication and integrity
  4. OpenID ENc(new) : Message confidentiality
  5. OpenID CX(new) : Exchange contract and other data with non-repudiation
     • Server to server direct messaging

OpenID TX

• moved to  opeidcx project on BitBucket

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• OpenID