/* $OpenBSD: crc.h,v 1.1 2004/05/02 17:53:29 millert Exp $ */ /* * Copyright (c) 2004 Todd C. Miller * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #define CKSUM_DIGEST_LENGTH 4 #define CKSUM_DIGEST_STRING_LENGTH (10 + 1 + 19) typedef struct CKSUMContext { u_int32_t crc; off_t len; } CKSUM_CTX; #define SUM_DIGEST_LENGTH 4 #define SUM_DIGEST_STRING_LENGTH (10 + 1 + 16) typedef struct SUMContext { u_int32_t crc; off_t len; } SUM_CTX; #define SYSVSUM_DIGEST_LENGTH 4 #define SYSVSUM_DIGEST_STRING_LENGTH (10 + 1 + 16) typedef struct SYSVSUMContext { u_int32_t crc; off_t len; } SYSVSUM_CTX; void CKSUM_Init(CKSUM_CTX *); void CKSUM_Update(CKSUM_CTX *, const u_int8_t *, size_t); void CKSUM_Final(CKSUM_CTX *); char *CKSUM_End(CKSUM_CTX *, char *); char *CKSUM_Data(const u_int8_t *, size_t, char *); void SUM_Init(SUM_CTX *); void SUM_Update(SUM_CTX *, const u_int8_t *, size_t); void SUM_Final(SUM_CTX *); char *SUM_End(SUM_CTX *, char *); char *SUM_Data(const u_int8_t *, size_t, char *); void SYSVSUM_Init(SYSVSUM_CTX *); void SYSVSUM_Update(SYSVSUM_CTX *, const u_int8_t *, size_t); void SYSVSUM_Final(SYSVSUM_CTX *); char *SYSVSUM_End(SYSVSUM_CTX *, char *); char *SYSVSUM_Data(const u_int8_t *, size_t, char *);