mirror of
https://github.com/urbit/shrub.git
synced 2024-12-21 01:41:37 +03:00
63 lines
2.4 KiB
C
63 lines
2.4 KiB
C
|
/*-
|
||
|
|
* 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_
|
||
|
|
|
||
|
|
#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);
|
||
|
|
|
||
|
|
#endif /* !_SHA256_H_ */
|