4 ms·
You are confusing authentication and encryption. Authenticated time protects against MITM attacks. You can obtain authenticated time synch from many national la
by dfc 12y ago
You are confusing authentication and encryption. Authenticated time protects against MITM attacks. You can obtain authenticated time synch from many national labs, such as NIST[1] or CRC[2].
I do not understand the need for confidentiality.
[1]: http://www.nist.gov/pml/div688/grp40/auth-ntp.cfm http://www.nist.gov/pml/div688/grp40/auth-ntp.cfm
[2]: https://www.nrc-cnrc.gc.ca/eng/solutions/advisory/calibration/time_frequency.html#authenticated https://www.nrc-cnrc.gc.ca/eng/solutions/advisory/calibratio...
- FireBeyond 12y agoWell, my thought was that you might be able to determine local clock drift by snooping. But as then mentioned, that's of near zero use, I suspect (as anything that uses time sync for authentication or otherwise is not likely to be that tightly bound to accuracy).