Time stamp protocol
| Internet protocol suite |
|---|
| Application layer |
| Transport layer |
| Internet layer |
| Link layer |
The Time-Stamp Protocol, or TSP is a cryptographic protocol for certifying timestamps using X.509 certificates and public key infrastructure. The timestamp is the signer's assertion that a piece of electronic data existed at or before a particular time.
External links
- IETF RFC 3161, official specification
- [1] Documentation for the OpenSSL ts(1) command.
- OpenTSA was an open-source project to add time stamping functionalities to OpenSSL. (Archived 2012-07-12 at the Wayback Machine)
 | This cryptography-related article is a stub. You can help Wikipedia by expanding it. |