[PATCH] crypto: sm3 - use the more precise type u32 instead of unsigned int

From: Tianjia Zhang
Date: Thu Mar 25 2021 - 22:22:22 EST


In the process of calculating the hash, use the more accurate type
'u32' instead of the original 'unsigned int' to avoid ambiguity.

Signed-off-by: Tianjia Zhang <tianjia.zhang@xxxxxxxxxxxxxxxxx>
---
crypto/sm3_generic.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/crypto/sm3_generic.c b/crypto/sm3_generic.c
index 193c4584bd00..562e96f92f64 100644
--- a/crypto/sm3_generic.c
+++ b/crypto/sm3_generic.c
@@ -36,17 +36,17 @@ static inline u32 p1(u32 x)
return x ^ rol32(x, 15) ^ rol32(x, 23);
}

-static inline u32 ff(unsigned int n, u32 a, u32 b, u32 c)
+static inline u32 ff(u32 n, u32 a, u32 b, u32 c)
{
return (n < 16) ? (a ^ b ^ c) : ((a & b) | (a & c) | (b & c));
}

-static inline u32 gg(unsigned int n, u32 e, u32 f, u32 g)
+static inline u32 gg(u32 n, u32 e, u32 f, u32 g)
{
return (n < 16) ? (e ^ f ^ g) : ((e & f) | ((~e) & g));
}

-static inline u32 t(unsigned int n)
+static inline u32 t(u32 n)
{
return (n < 16) ? SM3_T1 : SM3_T2;
}
@@ -54,7 +54,7 @@ static inline u32 t(unsigned int n)
static void sm3_expand(u32 *t, u32 *w, u32 *wt)
{
int i;
- unsigned int tmp;
+ u32 tmp;

/* load the input */
for (i = 0; i <= 15; i++)
@@ -123,8 +123,8 @@ static void sm3_compress(u32 *w, u32 *wt, u32 *m)

static void sm3_transform(struct sm3_state *sst, u8 const *src)
{
- unsigned int w[68];
- unsigned int wt[64];
+ u32 w[68];
+ u32 wt[64];

sm3_expand((u32 *)src, w, wt);
sm3_compress(w, wt, sst->state);
--
2.19.1.3.ge56e4f7