Time-stamp – Symmetricom S100 User Manual
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S100 User Guide – Rev. D – June 2005
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enters at the computer or terminal are delivered to the remote machine, and the remote
computer response is delivered back to the user’s computer or terminal.
TFTP
TFTP is a UDP-based, connectionless protocol.
Time Signing
The process by which a StampServer issues a digital signature of the time stamp, then
encrypts it.
Time-Stamp
A record mathematically linking a piece of data to a time and date.
Time-Stamp Request
The client computer or application sends a time-stamp request to a StampServer.
Time-Stamp Token
The essential part of the time-stamp. It contains the time, the message digest/the message
imprint (hash), and it is signed to verify the accuracy of that time. In detail, it is a signed data
object where the encapsulated content is a TSTInfoObject, thus it verifies the stamp as
coming from the device you submitted it to, and it is bound to the file you are working with.
Time-Stamping Authority
An authorized device that issues time-stamps, and its owner.
TLS
Transport Layer Security, security that protects the OSI layer that is responsible for reliable
end-to-end data transfer between end systems.
Token
See
Tool box
A group of software applications that have similar functions.
TMC
See
TPC
Third-party Certificate
TPCA
Third-party Certification/Certificate Authority.