OpenSAML user discussion

[Fabrizio Paccagnella <>]

No one can help me??

Fabrizio

On Wed, Aug 11, 2010 at 10:57 AM, Fabrizio Paccagnella
<>
 wrote:
> Hi, I tried to sign an assertion following this tutorial
> https://spaces.internet2.edu/display/OpenSAML/OSTwoUserManJavaDSIG
>
> However when I try to sign the assertion I get this exception:
> org.apache.xml.security.signature.XMLSignatureException: object not
> initialized for signature or verification
>
> This is my code:
>                DefaultBootstrap.bootstrap();
>
>                // Get the builder factory
>                XMLObjectBuilderFactory builderFactory =
> Configuration.getBuilderFactory();
>
>                //credential
>                String key_path = "/home/user/saml/idp/server.pem";
>                String cert_path = "/home/user/saml/idp/server.crt";
>
>                PrivateKey privatekey = SecurityHelper.decodePrivateKey(new
> File(key_path), null);
>                X509Certificate certificate = X509Util.decodeCertificate(new
> File(cert_path)).toArray(new X509Certificate[0])[0];
>
>                Credential signingCredential =
> SecurityHelper.getSimpleCredential(certificate, privatekey);
>
>                Signature signature = (Signature)
> builderFactory.getBuilder(Signature.DEFAULT_ELEMENT_NAME).buildObject(Signatur
> e.DEFAULT_ELEMENT_NAME);
>                SecurityHelper.prepareSignatureParams(signature,
> signingCredential, null, null);
>
>                Assertion assertion = (Assertion)
> builderFactory.getBuilder(Assertion.DEFAULT_ELEMENT_NAME).buildObject(Assertio
> n.DEFAULT_ELEMENT_NAME);
>                assertion.setSignature(signature);
>
>
> Configuration.getMarshallerFactory().getMarshaller(assertion).marshall(asserti
> on);
>
>                Signer.signObject(signature);
>
> and this is my stack trace:
> Exception in thread "main" java.lang.RuntimeException:
> org.apache.xml.security.signature.XMLSignatureException: object not
> initialized for signature or verification
> Original Exception was java.security.SignatureException: object not
> initialized for signature or verification
>        at org.apache.xml.security.utils.SignerOutputStream.write(Unknown
> Source)
>        at
> org.apache.xml.security.utils.UnsyncBufferedOutputStream.flushBuffer(Unknown
> Source)
>        at
> org.apache.xml.security.utils.UnsyncBufferedOutputStream.flush(Unknown 
> Source)
>        at
> org.apache.xml.security.utils.UnsyncBufferedOutputStream.close(Unknown 
> Source)
>        at
> org.apache.xml.security.c14n.implementations.CanonicalizerBase.engineCanonical
> izeSubTree(Unknown Source)
>        at
> org.apache.xml.security.c14n.implementations.Canonicalizer20010315Excl.engineC
> anonicalizeSubTree(Unknown Source)
>        at
> org.apache.xml.security.c14n.implementations.Canonicalizer20010315Excl.engineC
> anonicalizeSubTree(Unknown Source)
>        at
> org.apache.xml.security.c14n.Canonicalizer.canonicalizeSubtree(Unknown 
> Source)
>        at
> org.apache.xml.security.signature.SignedInfo.signInOctectStream(Unknown
> Source)
>        at org.apache.xml.security.signature.XMLSignature.sign(Unknown 
> Source)
>        at org.opensaml.xml.signature.Signer.signObject(Signer.java:78)
>        at automa.test.AutomaTestMain.main(AutomaTestMain.java:52)
>
> I using xmlsec-1.4.3.jar and the other library shipped with opensaml-2.3.1.
>
> Any suggestion?
>
> Fabrizio
>