mirrors/arti.git/crates/tor-proto/src/util/skew.rs, branch tor-dirmgr-v0.5.1 mirror of https://gitlab.torproject.org/tpo/core/arti http://git.dilluti0n.com/mirrors/arti.git/atom?h=tor-dirmgr-v0.5.1 2022-06-02T18:56:42Z Use testing_rng() in tests throughout our crates. 2022-06-02T18:56:42Z Nick Mathewson nickm@torproject.org 2022-06-02T17:31:43Z urn:sha1:967ea67b7dfc158f29cf449eb09bac89acdee46b This only affects uses of thread_rng(), and affects them all more or less indiscriminately. One test does not work with ARTI_TEST_PRNG=deterministic; the next commit will fix it. More tests for ClockSkew. 2022-05-25T19:57:19Z Nick Mathewson nickm@torproject.org 2022-05-25T15:43:09Z urn:sha1:bbc7470dc555a532f7fa9cbbd139ef63a5308beb Implement a better clock skew estimator. 2022-04-11T16:34:16Z Nick Mathewson nickm@torproject.org 2022-04-07T20:03:25Z urn:sha1:cf362fac9f7288ddeddff447f9db23b0a27690b6 This time, our estimator discards outliers, takes the mean of what's left, and uses the standard deviation to try to figure out how seriously to take our report of skew/not-skew. These estimates are still not actually used. Initial functions to determine and expose a clock skew estimate. 2022-04-07T20:01:46Z Nick Mathewson nickm@torproject.org 2022-04-07T16:16:13Z urn:sha1:eedee51899eb3365a21c37be3803846373265284 (This is just a placeholder; I'm going to make the functions smarter in the next commit.) tor-proto: add a backend to detect reported clock skew. 2022-03-23T12:24:36Z Nick Mathewson nickm@torproject.org 2022-03-14T15:51:06Z urn:sha1:3885a2c05b64e6d071adfabdf5eb957fab001a5d NETINFO cells, which are sent in every handshake, may contain timestamps. This patch adds an accessor for the timestamp in the Netinfo messages, and teaches the tor-proto code how to compute the minimum clock skew in the code. The computation isn't terribly precise, but it doesn't need to be: Tor should work fine if your clock is accurate to within a few hours. This patch also notes a Y2038 problem in the protocol: see torspec#80. Part of #405.