Re: [time-nuts] Roughtime

2016-10-04 Thread Hal Murray
albertson.ch...@gmail.com said: > But I use a set of five different servers all controlled by different > organizations and they are geographically distributed. Also some of these > are randomly elected "pool" servers. So even I don't know who I will ask > for time. How could anyone corrupt a

Re: [time-nuts] Roughtime

2016-10-04 Thread Ruslan Nabioullin
On 10/05/2016 01:17 AM, Chris Albertson wrote: All that said, there is money to be made by spoofing time. If I can fool a stock broker into accepting trades minutes late I could be rich. Minutes? I thought the proper unit for that is nanoseconds :). -Ruslan

Re: [time-nuts] Roughtime

2016-10-04 Thread Chris Albertson
The current system is very secure. The paper is correct in the most users don't bother with authentication or encryption. I don't.But let's say some one tried to spoof me into thinking it is three seconds later then it really is by some how setting up an NTP server that gives me incorrect tim

[time-nuts] Roughtime

2016-10-04 Thread Christopher Hoover
I just learned about this from a public post: https://roughtime.googlesource.com/roughtime/ Not precise enough for us nuts, but intended to be secure. (I wonder how it handles leap seconds? Too soon? :-) Actually, it smears.) -christopher. de AI6KG _