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J2EE™ Security for Servlets, EJBs and Web Services: Applying Theory and Standards to Practice by Pankaj Kumar

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Summary

Message security mechanisms protect a message or document, independent of the transport. This makes it possible to guarantee security properties such as authentication, message integrity, non-repudiation, and confidentiality on a per message or per document basis, without worrying about how the message or document is carried from one end to another. This is ideal when the message may be stored or processed at intermediate points or when the receiver cannot process the message at the time of receipt.

XML Signature defines an XML element format to store the digital signature of one or more data items and other related information. In addition, it specifies the processing model to create the signature element and perform the validation. ...

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