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 * $FreeBSD$ 58 */ 59 60 #ifndef _SHA_H_ 61 #define _SHA_H_ 1 62 63 #include <sys/cdefs.h> 64 #include <sys/types.h> /* XXX switch to machine/ansi.h and __ types */ 65 66 #define SHA_CBLOCK 64 67 #define SHA_LBLOCK 16 68 #define SHA_BLOCK 16 69 #define SHA_LAST_BLOCK 56 70 #define SHA_LENGTH_BLOCK 8 71 #define SHA_DIGEST_LENGTH 20 72 73 typedef struct SHAstate_st { 74 u_int32_t h0, h1, h2, h3, h4; 75 u_int32_t Nl, Nh; 76 u_int32_t data[SHA_LBLOCK]; 77 int num; 78 } SHA_CTX; 79 #define SHA1_CTX SHA_CTX 80 81 __BEGIN_DECLS 82 void SHA_Init(SHA_CTX *c); 83 void SHA_Update(SHA_CTX *c, const unsigned char *data, size_t len); 84 void SHA_Final(unsigned char *md, SHA_CTX *c); 85 char *SHA_End(SHA_CTX *, char *); 86 char *SHA_File(const char *, char *); 87 char *SHA_FileChunk(const char *, char *, off_t, off_t); 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_FileChunk(const char *, char *, off_t, off_t); 95 char *SHA1_Data(const unsigned char *, unsigned int, char *); 96 __END_DECLS 97 98 #endif /* !_SHA_H_ */ 99