/*- * Copyright 2005,2007,2009 Colin Percival * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/lib/libmd/sha256.h,v 1.2 2006/01/17 15:35:56 phk Exp $ */ #ifndef _SHA256_H_ #define _SHA256_H_ #ifdef __cplusplus extern "C" { #endif #include <sys/types.h> #include <stdint.h> typedef struct SHA256Context { uint32_t state[8]; uint32_t count[2]; unsigned char buf[64]; } SHA256_CTX; typedef struct HMAC_SHA256Context { SHA256_CTX ictx; SHA256_CTX octx; } HMAC_SHA256_CTX; void SHA256_Init(SHA256_CTX *); void SHA256_Update(SHA256_CTX *, const void *, size_t); void SHA256_Final(unsigned char [32], SHA256_CTX *); void HMAC_SHA256_Init(HMAC_SHA256_CTX *, const void *, size_t); void HMAC_SHA256_Update(HMAC_SHA256_CTX *, const void *, size_t); void HMAC_SHA256_Final(unsigned char [32], HMAC_SHA256_CTX *); /** * PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen): * Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and * write the output to buf. The value dkLen must be at most 32 * (2^32 - 1). */ void PBKDF2_SHA256(const uint8_t *, size_t, const uint8_t *, size_t, uint64_t, uint8_t *, size_t); #ifdef __cplusplus } #endif #endif /* !_SHA256_H_ */