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From "Marc Giger (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WSS-472) Incorrect Symmetric Key Derivation Length validation
Date Wed, 31 Jul 2013 15:37:48 GMT

    [ https://issues.apache.org/jira/browse/WSS-472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13725350#comment-13725350
] 

Marc Giger commented on WSS-472:
--------------------------------

fixed in r1508931.
                
> Incorrect Symmetric Key Derivation Length validation
> ----------------------------------------------------
>
>                 Key: WSS-472
>                 URL: https://issues.apache.org/jira/browse/WSS-472
>             Project: WSS4J
>          Issue Type: Bug
>            Reporter: Colm O hEigeartaigh
>            Assignee: Marc Giger
>             Fix For: 2.0
>
>
> There is an error in validating Signature Key Lengths against policy when derived keys
are used with the Symmetric binding. For the "Basic256" policy for example, symmetric key
lengths must be 256 bits, but derived keys for signature purposes can be 192 bits. The problem
is that the SignatureVerifier class in Santuario asks for a secret key using XMLSecurityConstants.Sym_Sig,
and eventually AbstractInboundSecurityToken ends up creating a new AlgorithmSuiteSecurityEvent
using this. We need some way to distinguish between the two cases for validating against the
AlgorithmSuite policy.

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