sha1.h

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/* include guard */
#ifndef CRYPTO_SHA1_H
#define CRYPTO_SHA1_H
 
 
#include "utildev.h"
 
#define SHA1LEN   20 
/* SHA1 transform routines */
#define sha1_blk0(i)  ( W[i] = bswap32(W[i]) )
#define sha1_blk_xor4(i) \
   xor4(W[(i + 13) & 15], W[(i + 8) & 15], W[(i + 2) & 15], W[i & 15])
#define sha1_blk(i) ( W[i & 15] = rol32(sha1_blk_xor4(i), 1) )
/* SHA1 round1 input */
#define sha1_r0(a, b, c, d, e, i) \
   e += xandx(b, c, d) + sha1_blk0(i) + k[0] + rol32(a, 5); \
   b = rol32(b, 30)
/* SHA1 round1 extended */
#define sha1_r1(a, b, c, d, e, i) \
   e += xandx(b, c, d) + sha1_blk(i) + k[0] + rol32(a, 5); \
   b = rol32(b, 30)
/* SHA1 rounds 2/3/4 */
#define sha1_r2(a, b, c, d, e, i) \
   e += xor3(b, c, d) + sha1_blk(i) + k[1] + rol32(a, 5); \
   b = rol32(b, 30)
#define sha1_r3(a, b, c, d, e, i) \
   e += (((b | c) & d) | (b & c)) + sha1_blk(i) + k[2] + rol32(a, 5); \
   b = rol32(b, 30)
#define sha1_r4(a, b, c, d, e, i) \
   e += xor3(b, c, d) + sha1_blk(i) + k[3] + rol32(a, 5); \
   b = rol32(b, 30)
 
typedef struct {
   uint8_t data[64];    
   uint32_t bitlen[2];  
   uint32_t state[5];   
   uint32_t datalen;    
} SHA1_CTX;  
/* C/C++ compatible function prototypes */
#ifdef __cplusplus
extern "C" {
#endif
 
void sha1_init(SHA1_CTX *ctx);
void sha1_update(SHA1_CTX *ctx, const void *in, size_t inlen);
void sha1_final(SHA1_CTX *ctx, void *out);
void sha1(const void *in, size_t inlen, void *out);
 
/* CUDA testing functions */
#ifdef CUDA
   void test_kcu_sha1(const void *in, size_t *inlen, size_t max_inlen,
      void *out, int num);
#endif
 
/* end extern "C" {} for C++ */
#ifdef __cplusplus
}
#endif
 
/* end include guard */
#endif