Before you begin
WebSphere Application Server provides several different methods to secure your Web services; Extensible Markup Language (XML) digital signature is one of these methods. You might secure your Web services using any of the following methods:Why and when to perform this task
XML digital signature provides both message integrity and authentication capabilities when it is used with SOAP messages. A message receiver can verify that attackers or accidents have not altered parts of the message after the message was signed by a key. If a message has a digital certificate issued by a certificate authority (CA) and a signature in the message is validated successfully by a public key in the certificate, it is proof that the signer has the corresponding private key. To use XML digital signature to secure Web services, complete the following steps:Steps for this task
http://www.ibm.com/support/docview.wss?rs=180&context=SSEQTP &q=ASTK&uid=swg24005125&loc=en_US&cs=utf-8&lang=en+en
Results
After completing these steps, you have secured your Web services using XML digital signature.