sha.h

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00001 /* crypto/sha/sha.h */
00002 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
00003  * All rights reserved.
00004  *
00005  * This package is an SSL implementation written
00006  * by Eric Young (eay@cryptsoft.com).
00007  * The implementation was written so as to conform with Netscapes SSL.
00008  * 
00009  * This library is free for commercial and non-commercial use as long as
00010  * the following conditions are aheared to.  The following conditions
00011  * apply to all code found in this distribution, be it the RC4, RSA,
00012  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
00013  * included with this distribution is covered by the same copyright terms
00014  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
00015  * 
00016  * Copyright remains Eric Young's, and as such any Copyright notices in
00017  * the code are not to be removed.
00018  * If this package is used in a product, Eric Young should be given attribution
00019  * as the author of the parts of the library used.
00020  * This can be in the form of a textual message at program startup or
00021  * in documentation (online or textual) provided with the package.
00022  * 
00023  * Redistribution and use in source and binary forms, with or without
00024  * modification, are permitted provided that the following conditions
00025  * are met:
00026  * 1. Redistributions of source code must retain the copyright
00027  *    notice, this list of conditions and the following disclaimer.
00028  * 2. Redistributions in binary form must reproduce the above copyright
00029  *    notice, this list of conditions and the following disclaimer in the
00030  *    documentation and/or other materials provided with the distribution.
00031  * 3. All advertising materials mentioning features or use of this software
00032  *    must display the following acknowledgement:
00033  *    "This product includes cryptographic software written by
00034  *     Eric Young (eay@cryptsoft.com)"
00035  *    The word 'cryptographic' can be left out if the rouines from the library
00036  *    being used are not cryptographic related :-).
00037  * 4. If you include any Windows specific code (or a derivative thereof) from 
00038  *    the apps directory (application code) you must include an acknowledgement:
00039  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
00040  * 
00041  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
00042  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00043  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00044  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
00045  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00046  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00047  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00048  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00049  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00050  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00051  * SUCH DAMAGE.
00052  * 
00053  * The licence and distribution terms for any publically available version or
00054  * derivative of this code cannot be changed.  i.e. this code cannot simply be
00055  * copied and put under another distribution licence
00056  * [including the GNU Public Licence.]
00057  */
00058 
00059 #ifndef HEADER_SHA_H
00060 #define HEADER_SHA_H
00061 
00062 #ifdef  __cplusplus
00063 extern "C" {
00064 #endif
00065 
00066 #define SHA_CBLOCK  64
00067 #define SHA_LBLOCK  16
00068 #define SHA_BLOCK   16
00069 #define SHA_LAST_BLOCK  56
00070 #define SHA_LENGTH_BLOCK 8
00071 #define SHA_DIGEST_LENGTH 20
00072 
00073 typedef struct SHAstate_st
00074     {
00075     unsigned long h0,h1,h2,h3,h4;
00076     unsigned long Nl,Nh;
00077     unsigned long data[SHA_LBLOCK];
00078     int num;
00079     } SHA_CTX;
00080 
00081 #ifndef NOPROTO
00082 void SHA_Init(SHA_CTX *c);
00083 void SHA_Update(SHA_CTX *c, unsigned char *data, unsigned long len);
00084 void SHA_Final(unsigned char *md, SHA_CTX *c);
00085 unsigned char *SHA(unsigned char *d, unsigned long n,unsigned char *md);
00086 void SHA_Transform(SHA_CTX *c, unsigned char *data);
00087 void SHA1_Init(SHA_CTX *c);
00088 void SHA1_Update(SHA_CTX *c, unsigned char *data, unsigned long len);
00089 void SHA1_Final(unsigned char *md, SHA_CTX *c);
00090 unsigned char *SHA1(unsigned char *d, unsigned long n,unsigned char *md);
00091 void SHA1_Transform(SHA_CTX *c, unsigned char *data);
00092 #else
00093 void SHA_Init();
00094 void SHA_Update();
00095 void SHA_Final();
00096 unsigned char *SHA();
00097 void SHA_Transform();
00098 void SHA1_Init();
00099 void SHA1_Update();
00100 void SHA1_Final();
00101 unsigned char *SHA1();
00102 void SHA1_Transform();
00103 #endif
00104 
00105 #ifdef  __cplusplus
00106 }
00107 #endif
00108 
00109 #endif

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