lib/libmd/sha.h

   1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   2  * All rights reserved.
   3  *
   4  * This package is an SSL implementation written
   5  * by Eric Young (eay@cryptsoft.com).
   6  * The implementation was written so as to conform with Netscapes SSL.
   7  *
   8  * This library is free for commercial and non-commercial use as long as
   9  * the following conditions are aheared to.  The following conditions
  10  * apply to all code found in this distribution, be it the RC4, RSA,
  11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  12  * included with this distribution is covered by the same copyright terms
  13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  14  *
  15  * Copyright remains Eric Young's, and as such any Copyright notices in
  16  * the code are not to be removed.
  17  * If this package is used in a product, Eric Young should be given attribution
  18  * as the author of the parts of the library used.
  19  * This can be in the form of a textual message at program startup or
  20  * in documentation (online or textual) provided with the package.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. All advertising materials mentioning features or use of this software
  31  *    must display the following acknowledgement:
  32  *    "This product includes cryptographic software written by
  33  *     Eric Young (eay@cryptsoft.com)"
  34  *    The word 'cryptographic' can be left out if the rouines from the library
  35  *    being used are not cryptographic related :-).
  36  * 4. If you include any Windows specific code (or a derivative thereof) from
  37  *    the apps directory (application code) you must include an acknowledgement:
  38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  50  * SUCH DAMAGE.
  51  *
  52  * The licence and distribution terms for any publically available version or
  53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  54  * copied and put under another distribution licence
  55  * [including the GNU Public Licence.]
  56  *
  57  * $FreeBSD: src/lib/libmd/sha.h,v 1.3 1999/08/28 00:05:08 peter Exp $
  58  * $DragonFly: src/lib/libmd/sha.h,v 1.3 2003/11/09 02:34:03 dillon Exp $
  59  */
  60
  61 #ifndef _SHA_H_
  62 #define _SHA_H_         1
  63
  64 #include <sys/cdefs.h>
  65 #include <sys/types.h>          /* XXX switch to machine/stdint.h and __ types */
  66
  67 #define SHA_CBLOCK      64
  68 #define SHA_LBLOCK      16
  69 #define SHA_BLOCK       16
  70 #define SHA_LAST_BLOCK  56
  71 #define SHA_LENGTH_BLOCK 8
  72 #define SHA_DIGEST_LENGTH 20
  73
  74 typedef struct SHAstate_st {
  75         u_int32_t h0, h1, h2, h3, h4;
  76         u_int32_t Nl, Nh;
  77         u_int32_t data[SHA_LBLOCK];
  78         int num;
  79 } SHA_CTX;
  80 #define SHA1_CTX        SHA_CTX
  81
  82 __BEGIN_DECLS
  83 void    SHA_Init(SHA_CTX *c);
  84 void    SHA_Update(SHA_CTX *c, const unsigned char *data, size_t len);
  85 void    SHA_Final(unsigned char *md, SHA_CTX *c);
  86 char   *SHA_End(SHA_CTX *, char *);
  87 char   *SHA_File(const char *, char *);
  88 char   *SHA_Data(const unsigned char *, unsigned int, char *);
  89 void    SHA1_Init(SHA_CTX *c);
  90 void    SHA1_Update(SHA_CTX *c, const unsigned char *data, size_t len);
  91 void    SHA1_Final(unsigned char *md, SHA_CTX *c);
  92 char   *SHA1_End(SHA_CTX *, char *);
  93 char   *SHA1_File(const char *, char *);
  94 char   *SHA1_Data(const unsigned char *, unsigned int, char *);
  95 __END_DECLS
  96
  97 #endif /* !_SHA_H_ */