1143334Scperciva/*- 2143334Scperciva * Copyright 2005 Colin Percival 3143334Scperciva * All rights reserved. 4143334Scperciva * 5143334Scperciva * Redistribution and use in source and binary forms, with or without 6143334Scperciva * modification, are permitted provided that the following conditions 7143334Scperciva * are met: 8143334Scperciva * 1. Redistributions of source code must retain the above copyright 9143334Scperciva * notice, this list of conditions and the following disclaimer. 10143334Scperciva * 2. Redistributions in binary form must reproduce the above copyright 11143334Scperciva * notice, this list of conditions and the following disclaimer in the 12143334Scperciva * documentation and/or other materials provided with the distribution. 13143334Scperciva * 14143334Scperciva * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15143334Scperciva * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16143334Scperciva * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17143334Scperciva * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18143334Scperciva * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19143334Scperciva * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20143334Scperciva * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21143334Scperciva * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22143334Scperciva * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23143334Scperciva * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24143334Scperciva * SUCH DAMAGE. 25143334Scperciva * 26143334Scperciva * $FreeBSD$ 27143334Scperciva */ 28143334Scperciva 29143334Scperciva#ifndef _SHA256_H_ 30143334Scperciva#define _SHA256_H_ 31143334Scperciva 32143334Scperciva#include <sys/types.h> 33143334Scperciva 34143334Scpercivatypedef struct SHA256Context { 35143334Scperciva uint32_t state[8]; 36143334Scperciva uint32_t count[2]; 37143334Scperciva unsigned char buf[64]; 38143334Scperciva} SHA256_CTX; 39143334Scperciva 40143334Scperciva__BEGIN_DECLS 41143334Scpercivavoid SHA256_Init(SHA256_CTX *); 42154479Sphkvoid SHA256_Update(SHA256_CTX *, const void *, size_t); 43143334Scpercivavoid SHA256_Final(unsigned char [32], SHA256_CTX *); 44143334Scpercivachar *SHA256_End(SHA256_CTX *, char *); 45143334Scpercivachar *SHA256_File(const char *, char *); 46143334Scpercivachar *SHA256_FileChunk(const char *, char *, off_t, off_t); 47154479Sphkchar *SHA256_Data(const void *, unsigned int, char *); 48143334Scperciva__END_DECLS 49143334Scperciva 50143334Scperciva#endif /* !_SHA256_H_ */ 51