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| author | Nick Mathewson <nickm@torproject.org> | 2011-05-12 19:27:18 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2011-05-12 19:27:18 -0400 |
| commit | af85017177566a26d17076a256b3a4d5ae555170 (patch) | |
| tree | e10d62291caa738067a23cfe2b43af4192575a13 /changes | |
| parent | 696cd1cfe25e064ed3ceacf5ea5c7b18264873c6 (diff) | |
| parent | 9e16a418f92670ae713138701fa931567fb4983d (diff) | |
| download | tor-af85017177566a26d17076a256b3a4d5ae555170.tar.gz tor-af85017177566a26d17076a256b3a4d5ae555170.zip | |
Merge remote-tracking branch 'public/bug3122_memcmp_023'
Diffstat (limited to 'changes')
| -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.) |