skein_block.c
Reply-To:
Signed-off-by: Manu Kumar <[email protected]>
---
drivers/staging/skein/skein_block.c | 68 ++++++++++++++++++++-----------------
1 file changed, 36 insertions(+), 32 deletions(-)
diff --git a/drivers/staging/skein/skein_block.c
b/drivers/staging/skein/skein_block.c
index 45b4732..09985c4 100644
--- a/drivers/staging/skein/skein_block.c
+++ b/drivers/staging/skein/skein_block.c
@@ -120,10 +120,10 @@
#if !(SKEIN_USE_ASM & 512)
#undef RCNT
-#define RCNT (SKEIN_512_ROUNDS_TOTAL/8)
+#define RCNT (SKEIN_512_ROUNDS_TOTAL / 8)
#ifdef SKEIN_LOOP /* configure how much to unroll the loop */
-#define SKEIN_UNROLL_512 (((SKEIN_LOOP)/10)%10)
+#define SKEIN_UNROLL_512 (((SKEIN_LOOP) / 10) % 10)
#else
#define SKEIN_UNROLL_512 (0)
#endif
@@ -198,9 +198,9 @@
R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_7, 8 * (R) + 8); \
I512(2 * (R) + 1); /* and key injection */ \
} while (0)
-#define R512_UNROLL_R(NN) \
- ((SKEIN_UNROLL_512 == 0 && \
- SKEIN_512_ROUNDS_TOTAL/8 > (NN)) || \
+#define R512_UNROLL_R(NN) \
+ ((SKEIN_UNROLL_512 == 0 && \
+ SKEIN_512_ROUNDS_TOTAL / 8 > (NN)) || \
(SKEIN_UNROLL_512 > (NN)))
#if (SKEIN_UNROLL_512 > 14)
@@ -210,7 +210,7 @@
#if !(SKEIN_USE_ASM & 1024)
#undef RCNT
-#define RCNT (SKEIN_1024_ROUNDS_TOTAL/8)
+#define RCNT (SKEIN_1024_ROUNDS_TOTAL / 8)
#ifdef SKEIN_LOOP /* configure how much to unroll the loop */
#define SKEIN_UNROLL_1024 ((SKEIN_LOOP) % 10)
#else
@@ -311,28 +311,28 @@
#define R1024_8_ROUNDS(R) \
do { \
R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, \
- 13, 14, 15, R1024_0, 8*(R) + 1); \
+ 13, 14, 15, R1024_0, 8 * (R) + 1); \
R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, \
- 05, 08, 01, R1024_1, 8*(R) + 2); \
+ 05, 08, 01, R1024_1, 8 * (R) + 2); \
R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, \
- 11, 10, 09, R1024_2, 8*(R) + 3); \
+ 11, 10, 09, R1024_2, 8 * (R) + 3); \
R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, \
- 03, 12, 07, R1024_3, 8*(R) + 4); \
- I1024(2*(R)); \
+ 03, 12, 07, R1024_3, 8 * (R) + 4); \
+ I1024(2 * (R)); \
R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, \
- 13, 14, 15, R1024_4, 8*(R) + 5); \
+ 13, 14, 15, R1024_4, 8 * (R) + 5); \
R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, \
- 05, 08, 01, R1024_5, 8*(R) + 6); \
+ 05, 08, 01, R1024_5, 8 * (R) + 6); \
R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, \
- 11, 10, 09, R1024_6, 8*(R) + 7); \
+ 11, 10, 09, R1024_6, 8 * (R) + 7); \
R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, \
- 03, 12, 07, R1024_7, 8*(R) + 8); \
- I1024(2*(R)+1); \
+ 03, 12, 07, R1024_7, 8 * (R) + 8); \
+ I1024(2 * (R) + 1); \
} while (0)
-#define R1024_UNROLL_R(NN) \
- ((SKEIN_UNROLL_1024 == 0 && \
- SKEIN_1024_ROUNDS_TOTAL/8 > (NN)) || \
+#define R1024_UNROLL_R(NN) \
+ ((SKEIN_UNROLL_1024 == 0 && \
+ SKEIN_1024_ROUNDS_TOTAL / 8 > (NN)) || \
(SKEIN_UNROLL_1024 > (NN)))
#if (SKEIN_UNROLL_1024 > 14)
@@ -351,10 +351,10 @@ void skein_256_process_block(struct skein_256_ctx *ctx,
const u8 *blk_ptr,
size_t r;
#if SKEIN_UNROLL_256
/* key schedule: chaining vars + tweak + "rot"*/
- u64 kw[WCNT+4+RCNT*2];
+ u64 kw[WCNT + 4 + RCNT * 2];
#else
/* key schedule words : chaining vars + tweak */
- u64 kw[WCNT+4];
+ u64 kw[WCNT + 4];
#endif
u64 X0, X1, X2, X3; /* local copy of context vars, for speed */
u64 w[WCNT]; /* local copy of input block */
@@ -460,9 +460,10 @@ void skein_256_process_block(struct skein_256_ctx *ctx,
const u8 *blk_ptr,
#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF)
size_t skein_256_process_block_code_size(void)
{
- return ((u8 *) skein_256_process_block_code_size) -
- ((u8 *) skein_256_process_block);
+ return ((u8 *)skein_256_process_block_code_size) -
+ ((u8 *)skein_256_process_block);
}
+
unsigned int skein_256_unroll_cnt(void)
{
return SKEIN_UNROLL_256;
@@ -480,9 +481,10 @@ void skein_512_process_block(struct skein_512_ctx *ctx,
const u8 *blk_ptr,
};
size_t r;
#if SKEIN_UNROLL_512
- u64 kw[WCNT+4+RCNT*2]; /* key sched: chaining vars + tweak + "rot"*/
+ /* key sched: chaining vars + tweak + "rot"*/
+ u64 kw[WCNT + 4 + RCNT * 2];
#else
- u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
+ u64 kw[WCNT + 4]; /* key schedule words : chaining vars + tweak */
#endif
u64 X0, X1, X2, X3, X4, X5, X6, X7; /* local copies, for speed */
u64 w[WCNT]; /* local copy of input block */
@@ -543,7 +545,6 @@ void skein_512_process_block(struct skein_512_ctx *ctx,
const u8 *blk_ptr,
for (r = 1;
r < (SKEIN_UNROLL_512 ? 2 * RCNT : 2);
r += (SKEIN_UNROLL_512 ? 2 * SKEIN_UNROLL_512 : 1)) {
-
R512_8_ROUNDS(0);
#if R512_UNROLL_R(1)
@@ -609,9 +610,10 @@ void skein_512_process_block(struct skein_512_ctx *ctx,
const u8 *blk_ptr,
#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF)
size_t skein_512_process_block_code_size(void)
{
- return ((u8 *) skein_512_process_block_code_size) -
- ((u8 *) skein_512_process_block);
+ return ((u8 *)skein_512_process_block_code_size) -
+ ((u8 *)skein_512_process_block);
}
+
unsigned int skein_512_unroll_cnt(void)
{
return SKEIN_UNROLL_512;
@@ -629,9 +631,10 @@ void skein_1024_process_block(struct skein_1024_ctx *ctx,
const u8 *blk_ptr,
};
size_t r;
#if (SKEIN_UNROLL_1024 != 0)
- u64 kw[WCNT+4+RCNT*2]; /* key sched: chaining vars + tweak + "rot" */
+ /* key sched: chaining vars + tweak + "rot" */
+ u64 kw[WCNT + 4 + RCNT * 2];
#else
- u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
+ u64 kw[WCNT + 4]; /* key schedule words : chaining vars + tweak */
#endif
/* local copy of vars, for speed */
@@ -771,9 +774,10 @@ void skein_1024_process_block(struct skein_1024_ctx *ctx,
const u8 *blk_ptr,
#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF)
size_t skein_1024_process_block_code_size(void)
{
- return ((u8 *) skein_1024_process_block_code_size) -
- ((u8 *) skein_1024_process_block);
+ return ((u8 *)skein_1024_process_block_code_size) -
+ ((u8 *)skein_1024_process_block);
}
+
unsigned int skein_1024_unroll_cnt(void)
{
return SKEIN_UNROLL_1024;
--
2.8.0
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