XML Security Suite: Increasing the Security of E-Business

By Doug Tidwell
2005-05-18

The joys of nonrepudiability

The main benefit of digital signatures is that they provide nonrepudiability. If you send me a signed document, I know that you're the one who sent it, because the signature contains your public key. In addition, because the signature is based on the contents of the document, the signature won't match if any changes have been made to the document.

Tutorial Pages:
» A brief overview of Web security
» Creating a secure session
» The XML Security Suite
» XML Signatures
» About the sample programs
» Creating a certificate
» Signing an internal XML resource
» Signing an external XML resource
» Signing a non-XML resource
» Verifying a digital signature
» The joys of nonrepudiability
» Canonical XML
» Element-level encryption
» Other utilities
» Summary
» Resources

First published by IBM DeveloperWorks

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