lib/libmd/sha256.h

   1 /*-
   2  * Copyright 2005 Colin Percival
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/lib/libmd/sha256.h,v 1.1 2005/03/09 19:23:04 cperciva Exp $
  27  * $DragonFly: src/lib/libmd/sha256.h,v 1.1 2006/04/30 00:19:26 dillon Exp $
  28  */
  29
  30 #ifndef _SHA256_H_
  31 #define _SHA256_H_
  32
  33 #include <sys/types.h>
  34
  35 typedef struct SHA256Context {
  36         uint32_t state[8];
  37         uint32_t count[2];
  38         unsigned char buf[64];
  39 } SHA256_CTX;
  40
  41 __BEGIN_DECLS
  42 void    SHA256_Init(SHA256_CTX *);
  43 void    SHA256_Update(SHA256_CTX *, const unsigned char *, size_t);
  44 void    SHA256_Final(unsigned char [32], SHA256_CTX *);
  45 char   *SHA256_End(SHA256_CTX *, char *);
  46 char   *SHA256_File(const char *, char *);
  47 char   *SHA256_FileChunk(const char *, char *, off_t, off_t);
  48 char   *SHA256_Data(const unsigned char *, unsigned int, char *);
  49 __END_DECLS
  50
  51 #endif /* !_SHA256_H_ */