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| author | Nick Mathewson <nickm@torproject.org> | 2011-05-11 16:39:45 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2011-05-11 16:39:45 -0400 |
| commit | 9fba014e3f7f89520841b65b8b038e5fb931b1d6 (patch) | |
| tree | 2197904844e7ae25b4a2d6465c2aa0cca1798019 /changes/bug3122_memcmp | |
| parent | 6d5478a8a7734553fc84574e725625610f46dc8c (diff) | |
| parent | 8fb38331c3213caef2d2e003e02cdb361504f14f (diff) | |
| download | tor-9fba014e3f7f89520841b65b8b038e5fb931b1d6.tar.gz tor-9fba014e3f7f89520841b65b8b038e5fb931b1d6.zip | |
Merge remote-tracking branch 'public/bug3122_memcmp_022' into bug3122_memcmp_023
Conflicts in various places, mainly node-related. Resolved them in
favor of HEAD, with copying of tor_mem* operations from bug3122_memcmp_022.
src/common/Makefile.am
src/or/circuitlist.c
src/or/connection_edge.c
src/or/directory.c
src/or/microdesc.c
src/or/networkstatus.c
src/or/router.c
src/or/routerlist.c
src/test/test_util.c
Diffstat (limited to 'changes/bug3122_memcmp')
| -rw-r--r-- | changes/bug3122_memcmp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/changes/bug3122_memcmp b/changes/bug3122_memcmp new file mode 100644 index 0000000000..a049476743 --- /dev/null +++ b/changes/bug3122_memcmp @@ -0,0 +1,7 @@ + o Security fixes + - Replace all potentially sensitive memory comparison operations + with versions whose runtime does not depend on the data being + compared. This will help resist a class of attacks where an + adversary can use variations in timing information to learn + sensitive data. Fix for one case of bug 3122. (Safe memcmp + implementation by Robert Ransom based partially on code by DJB.) |