ossp-pkg/uuid/uuid_sha1.h
1.6
/*
** OSSP uuid - Universally Unique Identifier
** Copyright (c) 2004-2008 Ralf S. Engelschall <rse@engelschall.com>
** Copyright (c) 2004-2008 The OSSP Project <http://www.ossp.org/>
**
** This file is part of OSSP uuid, a library for the generation
** of UUIDs which can found at http://www.ossp.org/pkg/lib/uuid/
**
** Permission to use, copy, modify, and distribute this software for
** any purpose with or without fee is hereby granted, provided that
** the above copyright notice and this permission notice appear in all
** copies.
**
** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
** SUCH DAMAGE.
**
** uuid_sha1.h: SHA-1 API definition
*/
#ifndef __SHA1_H___
#define __SHA1_H___
#include <string.h> /* size_t */
#define SHA1_PREFIX uuid_
/* embedding support */
#ifdef SHA1_PREFIX
#if defined(__STDC__) || defined(__cplusplus)
#define __SHA1_CONCAT(x,y) x ## y
#define SHA1_CONCAT(x,y) __SHA1_CONCAT(x,y)
#else
#define __SHA1_CONCAT(x) x
#define SHA1_CONCAT(x,y) __SHA1_CONCAT(x)y
#endif
#define sha1_st SHA1_CONCAT(SHA1_PREFIX,sha1_st)
#define sha1_t SHA1_CONCAT(SHA1_PREFIX,sha1_t)
#define sha1_create SHA1_CONCAT(SHA1_PREFIX,sha1_create)
#define sha1_init SHA1_CONCAT(SHA1_PREFIX,sha1_init)
#define sha1_update SHA1_CONCAT(SHA1_PREFIX,sha1_update)
#define sha1_store SHA1_CONCAT(SHA1_PREFIX,sha1_store)
#define sha1_format SHA1_CONCAT(SHA1_PREFIX,sha1_format)
#define sha1_destroy SHA1_CONCAT(SHA1_PREFIX,sha1_destroy)
#endif
struct sha1_st;
typedef struct sha1_st sha1_t;
#define SHA1_LEN_BIN 20
#define SHA1_LEN_STR 40
typedef enum {
SHA1_RC_OK = 0,
SHA1_RC_ARG = 1,
SHA1_RC_MEM = 2,
SHA1_RC_INT = 3
} sha1_rc_t;
extern sha1_rc_t sha1_create (sha1_t **sha1);
extern sha1_rc_t sha1_init (sha1_t *sha1);
extern sha1_rc_t sha1_update (sha1_t *sha1, const void *data_ptr, size_t data_len);
extern sha1_rc_t sha1_store (sha1_t *sha1, void **data_ptr, size_t *data_len);
extern sha1_rc_t sha1_format (sha1_t *sha1, char **data_ptr, size_t *data_len);
extern sha1_rc_t sha1_destroy (sha1_t *sha1);
#endif /* __SHA1_H___ */
