Ian Hummel <hummel <at parityinc.net writes: Hi Brent, thanks for the reply. I made the two changes you suggested but the signature is still not validating. I have been adding println's all throughout the 1.4.0 code to better understand why, and it seems that the C14N transform is returning null at one point. The Reference object loops through all the configured transforms, the http://www.w3.org/2000/09/xmldsig#enveloped-signature transform returns a (modified, i assume) XMLSignatureInput, then we run through the C14N and it returns null! The block of code is in CanonicalizerBase.java in method engineCanonicalizeXPathNodeSetInternal. this.canonicalizeXPathNodeSet(doc,doc); System.out.println("canonicalizeXPathNodeSet is ok i guess..."); this._writer.close(); if (this._writer instanceof ByteArrayOutputStream) { byte [] sol=((ByteArrayOutputStream)this._writer).toByteArray(); if (reset) { ((ByteArrayOutputStream)this._writer).reset(); } return sol; } else if (this._writer instanceof UnsyncByteArrayOutputStream) { byte []result=((UnsyncByteArrayOutputStream)this._writer).toByteArray(); if (reset) { ((UnsyncByteArrayOutputStream)this._writer).reset(); } return result; } return null; <------ returns this null! The _writer instance in this case was created in Reference.java method calculateDigest MessageDigestAlgorithm mda = this.getMessageDigestAlgorithm(); mda.reset(); DigesterOutputStream diOs=new DigesterOutputStream(mda); OutputStream os=new UnsyncBufferedOutputStream(diOs); <--- not check via instanceof in CanonicalizerBase XMLSignatureInput output=this.dereferenceURIandPerformTransforms(os); output.updateOutputStream(os); os.flush(); Do you (or anyone) think this could be a bug? I 1.4.1 mentioned some bug in C14N, but I have tried that version as well without success.... thanks for the help! - ian.
Ian and all, Did you get any solution to the problem you are facing above. I am also facing the same problem - I also have as signed token which has transforms of http://www.w3.org/2000/09/xmldsig#enveloped-signature followed by http://www.w3.org/2001/10/xml-exc-c14n#. I tried to debug this by taking the xmlsec src codes and I found the same problem as mentioned by Ian above. Pls help in resolving this. -Satish
