diff options
Diffstat (limited to 'cipher/sha1.c')
| -rw-r--r-- | cipher/sha1.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/cipher/sha1.c b/cipher/sha1.c index 51029c451..a54ec6a80 100644 --- a/cipher/sha1.c +++ b/cipher/sha1.c @@ -99,14 +99,30 @@ #define K3 0x8F1BBCDCL /* Rounds 40-59 */ #define K4 0xCA62C1D6L /* Rounds 60-79 */ -#define ROTL(n,X) ( ( ( X ) << n ) | ( ( X ) >> ( 32 - n ) ) ) + +#if defined(__GNUC__) && defined(__i386__) +static inline u32 +rol(int n, u32 x) +{ + __asm__("roll %%cl,%0" + :"=r" (x) + :"0" (x),"c" (n)); + return x; +} +#else + #define rol(n,x) ( ((x) << (n)) | ((x) >> (32-(n))) ) +#endif + + + + #define expand(W,i) ( W[ i & 15 ] = \ - ROTL( 1, ( W[ i & 15 ] ^ W[ (i - 14) & 15 ] ^ \ + rol( 1, ( W[ i & 15 ] ^ W[ (i - 14) & 15 ] ^ \ W[ (i - 8) & 15 ] ^ W[ (i - 3) & 15 ] ) ) ) #define subRound(a, b, c, d, e, f, k, data) \ - ( e += ROTL( 5, a ) + f( b, c, d ) + k + data, b = ROTL( 30, b ) ) + ( e += rol( 5, a ) + f( b, c, d ) + k + data, b = rol( 30, b ) ) void |