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| author | Nick Mathewson <nickm@torproject.org> | 2011-05-12 19:20:40 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2011-05-12 19:20:40 -0400 |
| commit | 1f678277a17d06941ac59ebfe25502d6a160d4ef (patch) | |
| tree | 5a86beffb8000d54c8b27bd031a1da663779e5c4 /changes | |
| parent | d1c7f65a8e76b594c63bf23baf7fb6c19ba44c00 (diff) | |
| parent | 59f9097d5c3dc010847c359888d31757d1c97904 (diff) | |
| download | tor-1f678277a17d06941ac59ebfe25502d6a160d4ef.tar.gz tor-1f678277a17d06941ac59ebfe25502d6a160d4ef.zip | |
Merge remote-tracking branch 'public/bug3122_memcmp_squashed' into maint-0.2.1
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.) |