1 

     2 #include <ruby.h>

     3 

     4 static VALUE rb_mEzmlm;

     5 static VALUE rb_cEZHash;

     6 

     7 

     8 #ifndef SURF_H

     9 #define SURF_H

    10 

    11 #define ROTATE(x,b) (((x) << (b)) | ((x) >> (32 - (b))))

    12 #define MUSH(i,b) x = t[i] += (((x ^ seed[i]) + sum) ^ ROTATE(x,b));

    13 

    14 typedef struct {

    15 	unsigned int seed[32];

    16 	unsigned int sum[8];

    17 	unsigned int out[8];

    18 	unsigned int in[12];

    19 	int todo;

    20 } surfpcs;

    21 

    22 static const unsigned int littleendian[8] = {

    23   0x03020100, 0x07060504, 0x0b0a0908, 0x0f0e0d0c,

    24   0x13121110, 0x17161514, 0x1b1a1918, 0x1f1e1d1c

    25 } ;

    26 #define end ((unsigned char *) &littleendian)

    27 #define data ((unsigned char *) s->in)

    28 #define outdata ((unsigned char *) s->out)

    29 

    30 extern void surf( unsigned int out[8], const unsigned int in[12], const unsigned int seed[32] );

    31 extern void surfpcs_init( surfpcs *s, const unsigned int k[32] );

    32 extern void surfpcs_add( surfpcs *s, const char *x,unsigned int n );

    33 extern void surfpcs_addlc( surfpcs *s, const char *x,unsigned int n );

    34 extern void surfpcs_out( surfpcs *s, unsigned char h[32] );

    35 #endif

    36 

    37 

    38 #ifndef SUBHASH_H

    39 #define SUBHASH_H

    40 

    41 unsigned int subhashs(const char *s);

    42 unsigned int subhashb(const char *s,long len);

    43 #define subhashsa(SA) subhashb((SA)->s,(SA)->len)

    44 

    45 #endif

    46