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/* $OpenBSD: crc.h,v 1.3 2018/02/05 03:16:10 deraadt Exp $ */
/*
* Copyright (c) 2004 Todd C. Miller <Todd.Miller@courtesan.com>
*
* 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 + 20 + 1)
typedef struct CKSUMContext {
u_int32_t crc;
off_t len;
} CKSUM_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 *);
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