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Re: attacking hsts through ntp


From: Stephen Röttger <stephen.roettger () gmail com>
Date: Mon, 20 Oct 2014 09:17:20 +0000

What about RFC 5906 and the current authentication schemes
(http://www.eecis.udel.edu/~mills/ntp/html/authentic.html) ?

The protocol from RFC 5906 is completely broken:
  http://www.eecis.udel.edu/~mills/security.html
  http://zero-entropy.de/autokey_analysis.pdf

The symmetric schemes are probably fine but hard to set up. But it looks
like the NIST provides authenticated NTP:
http://www.nist.gov/pml/div688/grp40/auth-ntp.cfm

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