Date: Mon, 20 Oct 2014 09:17:20 +0000 From: Stephen Röttger <stephen.roettger@...il.com> To: oss-security@...ts.openwall.com Subject: Re: attacking hsts through ntp >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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