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https://issues.apache.org/jira/browse/CXF-6409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14571386#comment-14571386
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Dallas Vaughan commented on CXF-6409:
-------------------------------------
I have stepped through the Binary Security Token processing code and found the
following:
The signature validation doesn't work with the BinarySecurity changes because,
unlike with the previous implementation, the {{xop:Include}} element is still
present in the BinarySecurityToken element. This is because the
{{setToken(byte[])}} method is never called which replaces the "include"
element with the base64-encoded value. The {{setToken}} call was replaced by
{{setRawToken}} in the {{BinarySecurityTokenProcessor}} class (line 178).
When the digest is calculated for the BinarySecurityToken in signature
verification, (I believe) it uses the element's child value and because it's
still an {{xop:Include}} element, it doesn't match and it fails.
> CXF web service cannot process MTOM/XOP-optimized content within a
> CipherValue element
> --------------------------------------------------------------------------------------
>
> Key: CXF-6409
> URL: https://issues.apache.org/jira/browse/CXF-6409
> Project: CXF
> Issue Type: Bug
> Components: WS-* Components
> Affects Versions: 3.0.4
> Reporter: Dallas Vaughan
> Assignee: Colm O hEigeartaigh
> Fix For: 3.1.1, 3.0.6
>
> Attachments: decrypt-xop.patch
>
>
> When a CXF (WS-Security streaming-enabled) web service endpoint is configured
> to use WS-Security and MTOM, CXF cannot handle requests from .NET and Metro
> clients because it cannot process {{xop:Include}} elements that are children
> of {{enc:CipherValue}} elements, as both of these clients will optimize any
> large encrypted (base64-encoded binary) content by serializing it as a MIME
> part.
> For example, when a Metro MTOM-optimized WS-Security-based request is sent to
> a CXF endpoint, the following exception is thrown within
> {{org.apache.xml.security.stax.impl.processor.input.AbstractDecryptInputProcessor$DecryptionThread.run()}}:
> {code}org.apache.xml.security.exceptions.XMLSecurityException: Unexpected
> StAX-Event: START_ELEMENT{code}
> This makes it impossible for .NET and Metro clients to communicate with CXF
> endpoints which have the MTOM and encryption policies specified.
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