WS-Security is built on the XML-Signature and XML-Encryption standards, so, yes, you will need to understand at least parts of those. All those standards are listed in the Web Services FAQ, which is linked in my signature.
posted 11 years ago
I have just finished a number of SCJWSD topics and now I am preparing myself to read about the web services securiry, anybody can help me how to start and what is the good tutorials and books that I can use to study it? is the xml security required to understand the ws security?