Classes
 ClassDescription
 MD5 The MD5 Message-Digest Algorithm Implementation based on algorithm description at http://www.faqs.org/rfcs/rfc1321.html
 SHA1 US Secure Hash Algorithm 1 (SHA1) Implementation based on algorithm description at http://www.faqs.org/rfcs/rfc3174.html
 WSSEUsernameToken Web Services Security Username Token Implementation based on algorithm description at http://www.oasis-open.org/committees/wss/documents/WSS-Username-02-0223-merged.pdf