diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:23:06 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:23:06 +0000 |
commit | cd13e2506379761d3464eae917eb1881876a7aa1 (patch) | |
tree | 54d32c05b0d6396408ff0d599d771fb9e7cdd60c /openbsd-compat/timingsafe_bcmp.c | |
parent | Initial commit. (diff) | |
download | libfido2-cd13e2506379761d3464eae917eb1881876a7aa1.tar.xz libfido2-cd13e2506379761d3464eae917eb1881876a7aa1.zip |
Adding upstream version 1.12.0.upstream/1.12.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'openbsd-compat/timingsafe_bcmp.c')
-rw-r--r-- | openbsd-compat/timingsafe_bcmp.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/openbsd-compat/timingsafe_bcmp.c b/openbsd-compat/timingsafe_bcmp.c new file mode 100644 index 0000000..3f7b9e5 --- /dev/null +++ b/openbsd-compat/timingsafe_bcmp.c @@ -0,0 +1,35 @@ +/* $OpenBSD: timingsafe_bcmp.c,v 1.1 2010/09/24 13:33:00 matthew Exp $ */ +/* + * Copyright (c) 2010 Damien Miller. All rights reserved. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* OPENBSD ORIGINAL: lib/libc/string/timingsafe_bcmp.c */ + +#include "openbsd-compat.h" + +#if !defined(HAVE_TIMINGSAFE_BCMP) + +int +timingsafe_bcmp(const void *b1, const void *b2, size_t n) +{ + const unsigned char *p1 = b1, *p2 = b2; + int ret = 0; + + for (; n > 0; n--) + ret |= *p1++ ^ *p2++; + return (ret != 0); +} + +#endif /* !defined(HAVE_TIMINGSAFE_BCMP) */ |