Signed metadata: Method and application

How to Cite

Tonkin, E., & Allinson, J. (2006). Signed metadata: Method and application. International Conference on Dublin Core and Metadata Applications, . Retrieved from


As metadata providers increase in number and diversity, and additional contexts for metadata use are identified, issues of trust, provenance and identity gain in relevance. Use of a publickey infrastructure (PKI) is discussed for digital signature of metadata records, providing evidence of the identity of the signer and the authenticity of the information within the record. Two methods are suggested; firstly, the W3C XML-Signature, and secondly, identification of a minimal set of metadata elements that enable signature verification across various character sets and formats, using the OpenPGP standard. Possible strategies for handling annotation within this infrastructure are suggested. Finally, some use cases are briefly discussed.
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