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Digital Timestamping

links: AC2 TOC - Centralized public-key infrastructures - Index

Digital Timestamping

A "trustworthy time" is crucial for a PKI.

  • CAs should issue/revoke certificates based on a trustworthy time. This service is mandatory for accredited CAs issuing advanced or qualify ed certificates.
  • A trustworthy timestamp should be added every time a user "digitally signs" a document to achieve a higher level of legal probative value.

If the content of a document is additionally digitally time-stamped by a trustworthy DTS, it makes time of creation provable in the future.

Timestamp-Protocol.png

links: AC2 TOC - Centralized public-key infrastructures - Index