1 /* $OpenBSD: crc.h,v 1.1 2004/05/02 17:53:29 millert Exp $ */ 2 3 /* 4 * Copyright (c) 2004 Todd C. Miller <Todd.Miller@courtesan.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #define CKSUM_DIGEST_LENGTH 4 20 #define CKSUM_DIGEST_STRING_LENGTH (10 + 1 + 19) 21 22 typedef struct CKSUMContext { 23 u_int32_t crc; 24 off_t len; 25 } CKSUM_CTX; 26 27 #define SUM_DIGEST_LENGTH 4 28 #define SUM_DIGEST_STRING_LENGTH (10 + 1 + 16) 29 30 typedef struct SUMContext { 31 u_int32_t crc; 32 off_t len; 33 } SUM_CTX; 34 35 #define SYSVSUM_DIGEST_LENGTH 4 36 #define SYSVSUM_DIGEST_STRING_LENGTH (10 + 1 + 16) 37 38 typedef struct SYSVSUMContext { 39 u_int32_t crc; 40 off_t len; 41 } SYSVSUM_CTX; 42 43 void CKSUM_Init(CKSUM_CTX *); 44 void CKSUM_Update(CKSUM_CTX *, const u_int8_t *, size_t); 45 void CKSUM_Final(CKSUM_CTX *); 46 char *CKSUM_End(CKSUM_CTX *, char *); 47 char *CKSUM_Data(const u_int8_t *, size_t, char *); 48 49 void SUM_Init(SUM_CTX *); 50 void SUM_Update(SUM_CTX *, const u_int8_t *, size_t); 51 void SUM_Final(SUM_CTX *); 52 char *SUM_End(SUM_CTX *, char *); 53 char *SUM_Data(const u_int8_t *, size_t, char *); 54 55 void SYSVSUM_Init(SYSVSUM_CTX *); 56 void SYSVSUM_Update(SYSVSUM_CTX *, const u_int8_t *, size_t); 57 void SYSVSUM_Final(SYSVSUM_CTX *); 58 char *SYSVSUM_End(SYSVSUM_CTX *, char *); 59 char *SYSVSUM_Data(const u_int8_t *, size_t, char *); 60