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