* @throws Exception Thrown when there is any problem in signing or verification
*/
public void testEncryptionDecryptionAES128() throws Exception {
SOAPEnvelope unsignedEnvelope = message.getSOAPEnvelope();
Document doc = unsignedEnvelope.getAsDocument();
WSSecHeader secHeader = new WSSecHeader();
secHeader.insertSecurityHeader(doc);
//EncryptedKey
WSSecEncryptedKey encrKeyBuilder = new WSSecEncryptedKey();
encrKeyBuilder.setUserInfo("wss4jcert");
encrKeyBuilder.setKeyIdentifierType(WSConstants.THUMBPRINT_IDENTIFIER);