diff options
| author | Nick Mathewson <nickm@torproject.org> | 2018-09-05 09:11:53 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2018-09-05 09:11:53 -0400 |
| commit | dc7c97945344169ca560a95c73ebc47be582f898 (patch) | |
| tree | 238b2698b4b10b3141da633d32c80d768a0c1cd1 /src/lib/ctime | |
| parent | 79a7fbb79b7f5a5a8bb3552f3c071498a34e5b84 (diff) | |
| download | tor-dc7c97945344169ca560a95c73ebc47be582f898.tar.gz tor-dc7c97945344169ca560a95c73ebc47be582f898.zip | |
Add note about use of tor_memcmp()
Diffstat (limited to 'src/lib/ctime')
| -rw-r--r-- | src/lib/ctime/di_ops.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/ctime/di_ops.c b/src/lib/ctime/di_ops.c index 011baf2654..73441f84f8 100644 --- a/src/lib/ctime/di_ops.c +++ b/src/lib/ctime/di_ops.c @@ -23,6 +23,9 @@ * This implementation differs from memcmp in that its timing behavior is not * data-dependent: it should return in the same amount of time regardless of * the contents of <b>a</b> and <b>b</b>. + * + * Note that if all you care about is equality, this implementation is + * overkill: it would be better to use tor_memeq() or tor_memneq(). */ int tor_memcmp(const void *a, const void *b, size_t len) |