Error while encrypting the xml file...pls help


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  1. #1
    Join Date
    Jul 2006
    Posts
    11

    Error while encrypting the xml file...pls help

    i download the code for encryption of xml file..
    but i am getting following error..

    Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
    at org.apache.xml.security.Init.<clinit>(Unknown Source)
    at EncryptTool.<clinit>(EncryptTool.java:51)

    so, what is that? pls help me..

    there is a code for xml encryption:
    http://www.devx.com/xml/Article/28701/0/page/6

    but, when i execute that i got error.....
    so, pls anyone can tell me all the procedures to execute that program..
    which jar files need to be download....

    pls help me.....

  2. #2
    Join Date
    Dec 2005
    Posts
    19
    for the exception you got, you need to download commons-logging.jar from apache, then add it to your classpath.

    if that doesn't work, maybe this will help: http://www.devx.com/xml/Article/28701/0/page/3

  3. #3
    Join Date
    Jul 2006
    Posts
    11
    ya, it is working now..Thanx for help......

  4. #4
    Join Date
    Jul 2006
    Posts
    11

    Error during decryption of xml file

    when i am decryption file, it is giving me exception :

    Exception in thread "main" java.lang.IllegalArgumentException: No attributes are implemented
    at org.apache.crimson.jaxp.DocumentBuilderFactoryImpl.setAttribute(Unknown Source)
    at org.apache.xml.security.encryption.XMLCipher$Serializer.deserialize(Unknown Source)
    at org.apache.xml.security.encryption.XMLCipher.decryptElement(Unknown Source)
    at org.apache.xml.security.encryption.XMLCipher.doFinal(Unknown Source)
    at DecryptTool.main(DecryptTool.java:151)

    and code is :

    Document document = loadEncryptedFile(args[0]);

    String namespaceURI = EncryptionConstants.EncryptionSpecNS;
    String localName = EncryptionConstants._TAG_ENCRYPTEDDATA;
    Element encryptedDataElement =
    (Element)document.getElementsByTagNameNS(namespaceURI,
    localName).item(0);
    Key keyEncryptKey = loadKeyEncryptionKey();

    XMLCipher xmlCipher = XMLCipher.getInstance();

    xmlCipher.init(XMLCipher.DECRYPT_MODE, null);

    xmlCipher.setKEK(keyEncryptKey);

    xmlCipher.doFinal(document, encryptedDataElement);

    so, what is that ?

    pls , help me.......

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