diff options
| author | Eric Rost <eric.rost@mybabylon.net> | 2014-10-24 17:34:13 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-29 16:39:58 +0800 |
| commit | c4597c4426265667c225140ffc84032aae6d937e (patch) | |
| tree | e3c100ac2778b5ba237d2694fa00c8946ae2e895 /drivers/staging/skein | |
| parent | 075c267566a49680f77119d04066339ee354678b (diff) | |
staging: skein: Inlines rotl_64
Inlines the rotl_64 macro.
Signed-off-by: Eric Rost <eric.rost@mybabylon.net>
Reviewed-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/skein')
| -rw-r--r-- | drivers/staging/skein/skein_base.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/staging/skein/skein_base.h b/drivers/staging/skein/skein_base.h index 9f10af910f41..0111fa426b32 100644 --- a/drivers/staging/skein/skein_base.h +++ b/drivers/staging/skein/skein_base.h @@ -33,10 +33,6 @@ #define SKEIN512_DIGEST_BIT_SIZE 512 #define SKEIN1024_DIGEST_BIT_SIZE 1024 -#ifndef rotl_64 -#define rotl_64(x, N) (((x) << (N)) | ((x) >> (64-(N)))) -#endif - /* below two prototype assume we are handed aligned data */ #define skein_put64_lsb_first(dst08, src64, b_cnt) memcpy(dst08, src64, b_cnt) #define skein_get64_lsb_first(dst64, src08, w_cnt) \ @@ -49,12 +45,12 @@ enum { SKEIN_BAD_HASHLEN = 2 }; -#define SKEIN_MODIFIER_WORDS (2) /* number of modifier (tweak) words */ +#define SKEIN_MODIFIER_WORDS 2 /* number of modifier (tweak) words */ -#define SKEIN_256_STATE_WORDS (4) -#define SKEIN_512_STATE_WORDS (8) -#define SKEIN_1024_STATE_WORDS (16) -#define SKEIN_MAX_STATE_WORDS (16) +#define SKEIN_256_STATE_WORDS 4 +#define SKEIN_512_STATE_WORDS 8 +#define SKEIN_1024_STATE_WORDS 16 +#define SKEIN_MAX_STATE_WORDS 16 #define SKEIN_256_STATE_BYTES (8*SKEIN_256_STATE_WORDS) #define SKEIN_512_STATE_BYTES (8*SKEIN_512_STATE_WORDS) @@ -92,6 +88,11 @@ struct skein_1024_ctx { /* 1024-bit Skein hash context structure */ u8 b[SKEIN_1024_BLOCK_BYTES]; /* partial block buf (8-byte aligned) */ }; +static inline int rotl_64(int x, int N) +{ + return (x << N) | (x >> (64 - N)); +} + /* Skein APIs for (incremental) "straight hashing" */ int skein_256_init(struct skein_256_ctx *ctx, size_t hash_bit_len); int skein_512_init(struct skein_512_ctx *ctx, size_t hash_bit_len); |