1/* sha256.h 2 * Code copied from openssl distribution and 3 * Modified just enough so that compiles and runs standalone 4 * 5 * Copyright (C) 2015, Broadcom Corporation. All Rights Reserved. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 14 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 16 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 17 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 * 19 * $Id: sha256.h 241182 2011-02-17 21:50:03Z $ 20 */ 21/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 22 * All rights reserved. 23 * 24 * This package is an SSL implementation written 25 * by Eric Young (eay@cryptsoft.com). 26 * The implementation was written so as to conform with Netscapes SSL. 27 * 28 * This library is free for commercial and non-commercial use as long as 29 * the following conditions are aheared to. The following conditions 30 * apply to all code found in this distribution, be it the RC4, RSA, 31 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 32 * included with this distribution is covered by the same copyright terms 33 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 34 * 35 * Copyright remains Eric Young's, and as such any Copyright notices in 36 * the code are not to be removed. 37 * If this package is used in a product, Eric Young should be given attribution 38 * as the author of the parts of the library used. 39 * This can be in the form of a textual message at program startup or 40 * in documentation (online or textual) provided with the package. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * "This product includes cryptographic software written by 53 * Eric Young (eay@cryptsoft.com)" 54 * The word 'cryptographic' can be left out if the rouines from the library 55 * being used are not cryptographic related :-). 56 * 4. If you include any Windows specific code (or a derivative thereof) from 57 * the apps directory (application code) you must include an acknowledgement: 58 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 59 * 60 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 * 72 * The licence and distribution terms for any publically available version or 73 * derivative of this code cannot be changed. i.e. this code cannot simply be 74 * copied and put under another distribution licence 75 * [including the GNU Public Licence.] 76 */ 77 78#ifndef HEADER_SHA_H 79#define HEADER_SHA_H 80 81#ifdef __cplusplus 82extern "C" { 83#endif 84 85/* 86 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 87 * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then ! 88 * ! SHA_LONG_LOG2 has to be defined along. ! 89 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 90 */ 91 92#if defined(OPENSSL_SYS_WIN16) || defined(__LP32__) 93#define SHA_LONG unsigned long 94#elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__) 95#define SHA_LONG unsigned long 96#define SHA_LONG_LOG2 3 97#else 98#define SHA_LONG unsigned int 99#endif 100 101#define SHA_LBLOCK 16 102#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a 103 * contiguous array of 32 bit 104 * wide big-endian values. 105 */ 106#define SHA_LAST_BLOCK (SHA_CBLOCK-8) 107#define SHA_DIGEST_LENGTH 20 108 109#define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a 110 * contiguous array of 32 bit 111 * wide big-endian values. 112 */ 113#define SHA224_DIGEST_LENGTH 28 114#define SHA256_DIGEST_LENGTH 32 115 116typedef struct SHA256state_st 117 { 118 SHA_LONG h[8]; 119 SHA_LONG Nl, Nh; 120 SHA_LONG data[SHA_LBLOCK]; 121 unsigned int num, md_len; 122 } SHA256_CTX; 123 124int SHA224_Init(SHA256_CTX *c); 125int SHA224_Update(SHA256_CTX *c, const void *data, size_t len); 126int SHA224_Final(unsigned char *md, SHA256_CTX *c); 127unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md); 128int SHA256_Init(SHA256_CTX *c); 129int SHA256_Update(SHA256_CTX *c, const void *data, size_t len); 130int SHA256_Final(unsigned char *md, SHA256_CTX *c); 131unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md); 132void SHA256_Transform(SHA256_CTX *c, const unsigned char *data); 133 134#ifdef __cplusplus 135} 136#endif 137 138#endif /* HEADER_SHA_H */ 139