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lib/halfmd4.c: use rol32 inline function in the ROUND macro

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<linux/bitops.h> provides rol32() inline function, let's use already
predefined function instead of direct expression.

Signed-off-by: Alexander Kuleshov <[email protected]>
Cc: Herbert Xu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alexander Kuleshov 2015-11-06 16:31:11 -08:00 • committed by Linus Torvalds
commit 1c78bc170f
1 changed files with 2 additions and 1 deletions
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3
lib/halfmd4.c
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@ -1,6 +1,7 @@
#include <linux/compiler.h>
#include <linux/export.h>
#include <linux/cryptohash.h>
#include <linux/bitops.h>
/* F, G and H are basic MD4 functions: selection, majority, parity */
#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
@ -14,7 +15,7 @@
* Rotation is separate from addition to prevent recomputation
*/
#define ROUND(f, a, b, c, d, x, s) \
(a += f(b, c, d) + x, a = (a << s) | (a >> (32 - s)))
(a += f(b, c, d) + x, a = rol32(a, s))
#define K1 0
#define K2 013240474631UL
#define K3 015666365641UL