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9a6a587e67
Conceptually very similar to timingsafe_bcmp(), but with comparison logic inspired by Elijah Stone's fancy memcmp. A baseline (SSE) implementation was omitted this time as I was not able to get it to perform adequately. Best I got was 8% over the scalar version for long inputs, but slower for short inputs. Sponsored by: The FreeBSD Foundation Approved by: security (cperciva) Inspired by: https://github.com/moon-chilled/fancy-memcmp Differential Revision: https://reviews.freebsd.org/D41696 (cherry picked from commit 5048c1b85506c5e0f441ee7dd98dd8d96d0a4a24) |
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| .. | ||
| amd64_archlevel.c | ||
| bcmp.S | ||
| bcopy.c | ||
| bzero.c | ||
| Makefile.inc | ||
| memchr.S | ||
| memcmp.S | ||
| memcpy.S | ||
| memmove.S | ||
| memset.S | ||
| stpcpy.S | ||
| strcat.S | ||
| strchrnul.S | ||
| strcmp.S | ||
| strcpy.c | ||
| strcspn.S | ||
| strlen.S | ||
| strnlen.c | ||
| strspn.S | ||
| timingsafe_bcmp.S | ||
| timingsafe_memcmp.S | ||