#include <isc/string.h> as it includes both <string.h> and <strings.h> if they both exist (cherry picked from commit 6138c5a5e4a83bb006807d8aa0d260ca5b6191ee)
update copyright notice / whitespace
Don't use memset() to wipe memory (#45947) (cherry picked from commit d5707676e45551d1ceb600a674f3f13351fd3105)
4401. [misc] Change LICENSE to MPL 2.0.
[master] timing safe memory comparisons 4183. [cleanup] Use timing-safe memory comparisons in cryptographic code. Also, the timing-safe comparison functions have been renamed to avoid possible confusion with memcmp(). [RT #40148]
[master] silence warning
[master] added isc_safe_memcmp() 3611. [bug] Improved resistance to a theoretical authentication attack based on differential timing. [RT #33939]