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/* $OpenBSD: sha1.h,v 1.15 2003/10/07 22:17:27 avsm Exp $ */
/*
* SHA-1 in C
* By Steve Reid <steve@edmweb.com>
* 100% Public Domain
*/
#ifndef _SHA1_H
#define _SHA1_H
typedef struct {
u_int32_t state[5];
u_int32_t count[2];
u_char buffer[64];
} SHA1_CTX;
#include <sys/cdefs.h>
__BEGIN_DECLS
void SHA1Transform(u_int32_t state[5], const u_char buffer[64])
__attribute__((__bounded__(__minbytes__,1,5)))
__attribute__((__bounded__(__minbytes__,2,64)));
void SHA1Init(SHA1_CTX *context);
void SHA1Update(SHA1_CTX *context, const u_char *data, u_int len)
__attribute__((__bounded__(__string__,2,3)));
void SHA1Final(u_char digest[20], SHA1_CTX *context)
__attribute__((__bounded__(__minbytes__,1,20)));
char *SHA1End(SHA1_CTX *, char *)
__attribute__((__bounded__(__minbytes__,2,41)));
char *SHA1File(char *, char *)
__attribute__((__bounded__(__minbytes__,2,41)));
char *SHA1Data(const u_char *, size_t, char *)
__attribute__((__bounded__(__string__,1,2)))
__attribute__((__bounded__(__minbytes__,3,41)));
__END_DECLS
#define SHA1_DIGESTSIZE 20
#define SHA1_BLOCKSIZE 64
#define HTONDIGEST(x) do { \
x[0] = htonl(x[0]); \
x[1] = htonl(x[1]); \
x[2] = htonl(x[2]); \
x[3] = htonl(x[3]); \
x[4] = htonl(x[4]); } while (0)
#define NTOHDIGEST(x) do { \
x[0] = ntohl(x[0]); \
x[1] = ntohl(x[1]); \
x[2] = ntohl(x[2]); \
x[3] = ntohl(x[3]); \
x[4] = ntohl(x[4]); } while (0)
#endif /* _SHA1_H */
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