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| author | Nick Mathewson <nickm@torproject.org> | 2011-05-12 19:25:14 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2011-05-12 19:25:14 -0400 |
| commit | 59a6df8882cbb404a5d22d99ce99684348aea8c8 (patch) | |
| tree | b7be88ea50c4a71201ae940dec2dbd490faf0b78 /changes | |
| parent | 379de3d10acd45f02aa6c64f54de9b7faa634df5 (diff) | |
| parent | 8fb38331c3213caef2d2e003e02cdb361504f14f (diff) | |
| download | tor-59a6df8882cbb404a5d22d99ce99684348aea8c8.tar.gz tor-59a6df8882cbb404a5d22d99ce99684348aea8c8.zip | |
Merge remote-tracking branch 'public/bug3122_memcmp_022' into maint-0.2.2
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.) |