[Openid-specs-ab] [openid/connect] Messages - 4.4 Symmetric Encryption key using client_secret (issue #578)

Edmund Jay issues-reply at bitbucket.org
Fri Apr 27 00:33:02 UTC 2012

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New issue 578: Messages - 4.4 Symmetric Encryption key using client_secret

Edmund Jay:

Currently, it says :
Symmetric Encryption
    Use the client_secret to KeyWrap a random Content Master Key to be used for encrypting the signed JWT. 

The A(128/256)KW algorithms to require a 128/256 bit key to wrap the master key. The client_secret may not be the required length. It was suggested that a hash be applied to the client_secret to obtain the necessary key material for the wrapping algorithm.

Responsible: ve7jtb

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