/* $OpenBSD: whrlpool.h,v 1.5 2014/07/10 22:45:58 jsing Exp $ */

#include <stddef.h>

#ifndef HEADER_WHRLPOOL_H
#define HEADER_WHRLPOOL_H

#include <openssl/opensslconf.h>

#ifdef __cplusplus
extern "C" {
#endif

#define WHIRLPOOL_DIGEST_LENGTH (512/8)
#define WHIRLPOOL_BBLOCK        512
#define WHIRLPOOL_COUNTER       (256/8)

typedef struct  {
        union   {
                unsigned char   c[WHIRLPOOL_DIGEST_LENGTH];
                /* double q is here to ensure 64-bit alignment */
                double          q[WHIRLPOOL_DIGEST_LENGTH/sizeof(double)];
                }       H;
        unsigned char   data[WHIRLPOOL_BBLOCK/8];
        unsigned int    bitoff;
        size_t          bitlen[WHIRLPOOL_COUNTER/sizeof(size_t)];
        } WHIRLPOOL_CTX;

#ifndef OPENSSL_NO_WHIRLPOOL
int WHIRLPOOL_Init      (WHIRLPOOL_CTX *c);
int WHIRLPOOL_Update    (WHIRLPOOL_CTX *c,const void *inp,size_t bytes);
void WHIRLPOOL_BitUpdate(WHIRLPOOL_CTX *c,const void *inp,size_t bits);
int WHIRLPOOL_Final     (unsigned char *md,WHIRLPOOL_CTX *c);
unsigned char *WHIRLPOOL(const void *inp,size_t bytes,unsigned char *md);
#endif

#ifdef __cplusplus
}
#endif

#endif