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From "Colm O hEigeartaigh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (WSS-472) Incorrect Symmetric Key Derivation Length validation
Date Thu, 25 Jul 2013 09:59:48 GMT
Colm O hEigeartaigh created WSS-472:
---------------------------------------

             Summary: 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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