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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /security/nss/lib/freebl/crypto_primitives.c | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'security/nss/lib/freebl/crypto_primitives.c')
| -rw-r--r-- | security/nss/lib/freebl/crypto_primitives.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/crypto_primitives.c b/security/nss/lib/freebl/crypto_primitives.c new file mode 100644 index 0000000000..425f9fcc80 --- /dev/null +++ b/security/nss/lib/freebl/crypto_primitives.c @@ -0,0 +1,36 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifdef FREEBL_NO_DEPEND +#include "stubs.h" +#endif + +/* This file holds useful functions and macros for crypto code. */ +#include "crypto_primitives.h" + +/* + * FREEBL_HTONLL(x): swap bytes in a 64-bit integer. + */ +#if defined(__GNUC__) && (defined(__x86_64__) || defined(__x86_64)) + +__inline__ PRUint64 +swap8b(PRUint64 value) +{ + __asm__("bswapq %0" + : "+r"(value)); + return (value); +} + +#elif defined(IS_LITTLE_ENDIAN) && !defined(_MSC_VER) && !__has_builtin(__builtin_bswap64) && !((defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))) + +PRUint64 +swap8b(PRUint64 x) +{ + PRUint64 t1 = x; + t1 = ((t1 & SHA_MASK8) << 8) | ((t1 >> 8) & SHA_MASK8); + t1 = ((t1 & SHA_MASK16) << 16) | ((t1 >> 16) & SHA_MASK16); + return (t1 >> 32) | (t1 << 32); +} + +#endif |