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lib/crypto: md5: Use rol32() instead of open-coding it

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For the bitwise left rotation in MD5STEP, use rol32() from
<linux/bitops.h> instead of open-coding it.

Signed-off-by: Rusydi H. Makarim <rusydi.makarim@kriptograf.id>
Link: https://lore.kernel.org/r/20251214-rol32_in_md5-v1-1-20f5f11a92b2@kriptograf.id
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
This commit is contained in:
Rusydi H. Makarim 2025-12-14 18:15:12 +07:00 • committed by Eric Biggers
parent 0d8e6c0a11
commit c8bf0b969d
1 changed files with 1 additions and 1 deletions
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lib/crypto/md5.c
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@ -29,7 +29,7 @@ static const struct md5_block_state md5_iv = {
#define F4(x, y, z) (y ^ (x | ~z))
#define MD5STEP(f, w, x, y, z, in, s) \
(w += f(x, y, z) + in, w = (w << s | w >> (32 - s)) + x)
(w += f(x, y, z) + in, w = rol32(w, s) + x)
static void md5_block_generic(struct md5_block_state *state,
const u8 data[MD5_BLOCK_SIZE])