| Internet X.509 PKI - Time Stamp Protocols - http://www.ietf.org/internet-drafts/draft-ietf-pkix-time-stamp-15.txt The PKIX document describes a Time Stamp Authority (TSA) and a Temporal Data... - [Read more] |
| Trusted third-party time authority - http://www.digistamp.com DigiStamp provides digital time stamps for e-commerce and intellectual property... - [Read more] |
