Libois Claude created WSS-588:
---------------------------------

             Summary: Server Signature validation on client failed while using 
only CA in the client truststore
                 Key: WSS-588
                 URL: https://issues.apache.org/jira/browse/WSS-588
             Project: WSS4J
          Issue Type: Bug
          Components: WSS4J Core
    Affects Versions: 2.0.4
         Environment: Servicemix server using cxf+wss4j for WS-Security
            Reporter: Libois Claude
            Assignee: Colm O hEigeartaigh
            Priority: Blocker


I have a webservices which is secured by WS-Security+Policy.
I currently use Signature only for server response.
However I keep having the same error:
Exception in thread "main" javax.xml.ws.soap.SOAPFaultException: The signature 
or decryption was invalid
        at 
org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:160)
        at com.sun.proxy.$Proxy34.submit(Unknown Source)
        at 
client.OffresEmploiClientUserToken.doCall(OffresEmploiClientUserToken.java:93)
        at 
client.OffresEmploiClientUserToken.main(OffresEmploiClientUserToken.java:63)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Caused by: org.apache.wss4j.common.ext.WSSecurityException: The signature or 
decryption was invalid
        at 
org.apache.wss4j.dom.processor.SignatureProcessor.handleToken(SignatureProcessor.java:194)
        at 
org.apache.wss4j.dom.WSSecurityEngine.processSecurityHeader(WSSecurityEngine.java:428)
        at 
org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessageInternal(WSS4JInInterceptor.java:278)
        at 
org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessage(WSS4JInInterceptor.java:190)
        at 
org.apache.cxf.ws.security.wss4j.PolicyBasedWSS4JInInterceptor.handleMessage(PolicyBasedWSS4JInInterceptor.java:129)
        at 
org.apache.cxf.ws.security.wss4j.PolicyBasedWSS4JInInterceptor.handleMessage(PolicyBasedWSS4JInInterceptor.java:112)
        at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
        at org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:802)
        at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:1645)
        at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1533)
        at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1336)
        at 
org.apache.cxf.io.CacheAndWriteOutputStream.postClose(CacheAndWriteOutputStream.java:56)
        at 
org.apache.cxf.io.CachedOutputStream.close(CachedOutputStream.java:215)
        at 
org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56)
        at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:652)
        at 
org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
        at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
        at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:516)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:425)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:326)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:279)
        at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:96)
        at 
org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:138)
        ... 8 more

My client truststore is set so that I only have the signer CA.
I have noticed that if I set the signer certificate in the truststore, it works 
!
I did a wireshark snoop and found that in the response part:
<ds:X509Data><ds:X509IssuerSerial><ds:X509IssuerName>1.2.840.113549.1.9.1=#16107465737473736c40666f72656d2e6265,CN=XXXXX</ds:X509IssuerName><ds:X509SerialNumber>12428414237952637822</ds:X509SerialNumber></ds:X509IssuerSerial></ds:X509Data>
The problem is that  12428414237952637822 isn't the CA serial number but the 
signer serial number.
I have digged a little bit into the code I have found something that looks 
weird to me in the WSSecSignature class :
case WSConstants.ISSUER_SERIAL:
                String issuer = certs[0].getIssuerX500Principal().getName();
                java.math.BigInteger serialNumber = certs[0].getSerialNumber();
i'm wondering why in the last line we don't take the issuer serial number ????  
-> java.math.BigInteger serialNumber = 
certs[0].getIssuerX500Principal().getSerialNumber();

I can't see how this can work since the client compare the serial number 
provided with the serial number of the CA in the Merlin class:
if (x509cert.getSerialNumber().compareTo(serialNumber) == 0)

Hope I was clear enough.
I have checked in the latest version of the WSSecSignature and I still see the 
same line...
Best Regards,
Claude




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