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 27#ifndef _SHA256_H_ 28#define _SHA256_H_ 29 30#ifndef _KERNEL 31#include <sys/types.h> 32#endif 33 34#define SHA256_BLOCK_LENGTH 64 35#define SHA256_DIGEST_LENGTH 32 36#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) 37 38typedef struct SHA256Context { 39 uint32_t state[8]; 40 uint64_t count; 41 uint8_t buf[SHA256_BLOCK_LENGTH]; 42} SHA256_CTX; 43 44__BEGIN_DECLS 45 46/* Ensure libmd symbols do not clash with libcrypto */ 47 48#ifndef SHA256_Init 49#define SHA256_Init _libmd_SHA256_Init 50#endif 51#ifndef SHA256_Update 52#define SHA256_Update _libmd_SHA256_Update 53#endif 54#ifndef SHA256_Final 55#define SHA256_Final _libmd_SHA256_Final 56#endif 57#ifndef SHA256_End 58#define SHA256_End _libmd_SHA256_End 59#endif 60#ifndef SHA256_Fd 61#define SHA256_Fd _libmd_SHA256_Fd 62#endif 63#ifndef SHA256_FdChunk 64#define SHA256_FdChunk _libmd_SHA256_FdChunk 65#endif 66#ifndef SHA256_File 67#define SHA256_File _libmd_SHA256_File 68#endif 69#ifndef SHA256_FileChunk 70#define SHA256_FileChunk _libmd_SHA256_FileChunk 71#endif 72#ifndef SHA256_Data 73#define SHA256_Data _libmd_SHA256_Data 74#endif 75 76#ifndef SHA256_Transform 77#define SHA256_Transform _libmd_SHA256_Transform 78#endif 79#ifndef SHA256_version 80#define SHA256_version _libmd_SHA256_version 81#endif 82 83void SHA256_Init(SHA256_CTX *); 84void SHA256_Update(SHA256_CTX *, const void *, size_t); 85void SHA256_Final(unsigned char [__min_size(SHA256_DIGEST_LENGTH)], 86 SHA256_CTX *); 87#ifndef _KERNEL 88char *SHA256_End(SHA256_CTX *, char *); 89char *SHA256_Data(const void *, unsigned int, char *); 90char *SHA256_Fd(int, char *); 91char *SHA256_FdChunk(int, char *, off_t, off_t); 92char *SHA256_File(const char *, char *); 93char *SHA256_FileChunk(const char *, char *, off_t, off_t); 94#endif 95__END_DECLS 96 97#endif /* !_SHA256_H_ */ 98