#ifndef _SHA_H_6021c4e9_
#define _SHA_H_6021c4e9_

/* This file is in the public domain. */

extern void *sha_init(void);
extern void sha_process_bytes(void *, const void *, unsigned int);
extern void sha_result(void *, unsigned char *);
extern void *sha_clone(const void *);
extern int sha_state(const void *, void *, int);
extern int sha_set_state(void *, const void *, int);
extern void sha_drop(void *);

extern void *sha1_init(void);
extern void sha1_process_bytes(void *, const void *, unsigned int);
extern void sha1_result(void *, unsigned char *);
extern void *sha1_clone(const void *);
extern int sha1_state(const void *, void *, int);
extern int sha1_set_state(void *, const void *, int);
extern void sha1_drop(void *);

extern void *sha256_init(void);
extern void sha256_process_bytes(void *, const void *, unsigned int);
extern void sha256_result(void *, unsigned char *);
extern void *sha256_clone(const void *);
extern int sha256_state(const void *, void *, int);
extern int sha256_set_state(void *, const void *, int);
extern void sha256_drop(void *);

extern void *sha384_init(void);
extern void sha384_process_bytes(void *, const void *, unsigned int);
extern void sha384_result(void *, unsigned char *);
extern void *sha384_clone(const void *);
extern int sha384_state(const void *, void *, int);
extern int sha384_set_state(void *, const void *, int);
extern void sha384_drop(void *);

extern void *sha512_init(void);
extern void sha512_process_bytes(void *, const void *, unsigned int);
extern void sha512_result(void *, unsigned char *);
extern void *sha512_clone(const void *);
extern int sha512_state(const void *, void *, int);
extern int sha512_set_state(void *, const void *, int);
extern void sha512_drop(void *);

extern void *shaX_init(int);
extern int shaX_number(const void *);
extern int shaX_hashsize(const void *);
extern int shaX_max_hashsize(void);
extern void shaX_process_bytes(void *, const void *, unsigned int);
extern void shaX_result(void *, unsigned char *);
extern void *shaX_clone(const void *);
extern int shaX_state(const void *, void *, int);
extern int shaX_set_state(void *, const void *, int);
extern void shaX_drop(void *);

#define SHA_BADVERS 1
#define SHA_CORRUPT 2

#endif