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Using the IBM XML security suite: part 2 of 2: encrypting XML documents dynamically. (XML security).

Publication: XML Journal
Publication Date: 01-JAN-02 		Format: Online
Delivery: Immediate Online Access
Full Article Title: Using the IBM XML security suite: part 2 of 2: encrypting XML documents dynamically. (XML security).(Tutorial)

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Someday soon you'll be able to tell the Internet what you're interested in and have it respond with the information you need. You could instruct a Web site to monitor traffic reports, for example, then tell it where you're heading. If there's a traffic jam, the Web site will dial your cell to...

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...phone alert you and suggest an alternate route.

Last month I revealed a way to implement security for your XML documents. The advantages of adding security to XML documents were discussed as well as the World Wide Web Consortium working drafts that cover XML encryption.

We explored how to use the IBM XML Security Suite toolkit to encrypt XML documents -- how to do a simple encryption of an XML document and then decrypt the same document. The toolkit uses standards that are in working draft form from the W3C.

To perform XML signatures, I'll use the same tools I used before, but to make things interesting I'm going to switch to the Xerces Java XML parsers to show you the flexibility of the toolkit. (You'll recall that in Part 1 I used Sun's XML parser, JAXE.) I'm still going to use the IBM Java Cryptography Extension, for its RSA implementation, and Xalan, which can be found at http://xml.apache.org. Of course, I'm using the same XML document, insurance.xml. See Listing 1 for complete XML document.

LISTING 1 insurance.xml Joseph Smith bmc2000 00001 15.00 10.00 5.00 wife child

The keystore that was...

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