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 38 typedef 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 #ifndef SHA256_Transform 76 #define SHA256_Transform _libmd_SHA256_Transform 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 [__min_size(SHA256_DIGEST_LENGTH)], 82 SHA256_CTX *); 83 #ifndef _KERNEL 84 char *SHA256_End(SHA256_CTX *, char *); 85 char *SHA256_Data(const void *, unsigned int, char *); 86 char *SHA256_Fd(int, char *); 87 char *SHA256_FdChunk(int, char *, off_t, off_t); 88 char *SHA256_File(const char *, char *); 89 char *SHA256_FileChunk(const char *, char *, off_t, off_t); 90 #endif 91 __END_DECLS 92 93 #endif /* !_SHA256_H_ */ 94