Sounds like a problem with the document. Do you mind sharing it? Aleksey
On 2/21/12 1:33 PM, Dolf Andringa wrote: > Hi Everyone. > > I am trying to decrypt an xml message in python using XMLSec in python > (PyXMLSec) and run into an error message that seems to come from the C > xmlsec library. > I have found the examples on > http://pyxmlsec.labs.libre-entreprise.org/index.php?section=examples&id=11 > <http://pyxmlsec.labs.libre-entreprise.org/index.php?section=examples&id=11> > and accordingly did the following, but am receiving errors, which I > really don't understand. > The xml seems to be fine, since I can read the xml file and find the > EncryptedData node. > The private key file is an RSA private key, which is valid and I can > successfully use it in other cryptographic libraries. > I hope anyone can help. Thanks in advance for the effort. > > Cheers, > > Dolf. > > The python code: > > private_key_file='my.private.key' > xmlstring=open('temp.xml','rb').read() > > import libxml2 > import xmlsec > > libxml2.initParser() > libxml2.substituteEntitiesDefault(1) > xmlsec.init() > xmlsec.cryptoAppInit(None) > xmlsec.cryptoInit() > > doc=libxml2.parseMemory(xmlstring,len(xmlstring)) > node=xmlsec.findNode(doc.getRootElement(),xmlsec.NodeEncryptedData,xmlsec.EncNs) > node.get_name() > '''EncryptedData''' > print(node.children) > '''<EncryptionMethod > Algorithm="http://www.w3.org/2001/04/xmlenc#aes256-cbc"/>''' > key=xmlsec.keyReadBinaryFile(xmlsec.keyDataRsaId(),private_key_file) > ''' > func=xmlSecKeyDataBinRead:file=keysdata.c:line=349:obj=unknown:subj=id->binRead > != NULL:error=100:assertion: > func=xmlSecKeyReadBuffer:file=keys.c:line=1190:obj=rsa:subj=xmlSecKeyDataBinRead:error=1:xmlsec > library function failed: > func=xmlSecKeyReadBinaryFile:file=keys.c:line=1247:obj=rsa:subj=xmlSecKeyReadBuffer:error=1:xmlsec > library function failed:filename=my.private.key > ''' > key.setName(private_key_file) > enc_ctx = xmlsec.EncCtx(None) > enc_ctx.encKey=key > > enc_ctx.decrypt(node) > '''func=xmlSecEncCtxEncDataNodeRead:file=xmlenc.c:line=809:obj=unknown:subj=encCtx->mimeType > == NULL:error=100:assertion: > func=xmlSecEncCtxDecryptToBuffer:file=xmlenc.c:line=715:obj=unknown:subj=xmlSecEncCtxEncDataNodeRead:error=1:xmlsec > library function failed: > func=xmlSecEncCtxDecrypt:file=xmlenc.c:line=623:obj=unknown:subj=xmlSecEncCtxDecryptToBuffer:error=1:xmlsec > library function failed: > -1 > ''' > > > _______________________________________________ > xmlsec mailing list > [email protected] > http://www.aleksey.com/mailman/listinfo/xmlsec _______________________________________________ xmlsec mailing list [email protected] http://www.aleksey.com/mailman/listinfo/xmlsec
