Roughtime attempts fixing insecure NTP

https://www.imperialviolet.org/2016/09/19/roughtime.html

A better alternative to NTP. Its not a solution for Tor OSes since its not TCP. Requires that the majority of servers used to be trusted to be able to detect if one is feeding a wrong time. AFAIK it does not hide what time client thinks it is since its not Torrified - not good.

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