mozglue/android/pbkdf2_sha256.h

   1 /*-
   2  * Copyright 2005,2007,2009 Colin Percival
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/lib/libmd/sha256.h,v 1.2 2006/01/17 15:35:56 phk Exp $
  27  */
  28
  29 #ifndef _SHA256_H_
  30 #define _SHA256_H_
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #include <sys/types.h>
  37
  38 #include <stdint.h>
  39
  40 typedef struct SHA256Context {
  41         uint32_t state[8];
  42         uint32_t count[2];
  43         unsigned char buf[64];
  44 } SHA256_CTX;
  45
  46 typedef struct HMAC_SHA256Context {
  47         SHA256_CTX ictx;
  48         SHA256_CTX octx;
  49 } HMAC_SHA256_CTX;
  50
  51 void    SHA256_Init(SHA256_CTX *);
  52 void    SHA256_Update(SHA256_CTX *, const void *, size_t);
  53 void    SHA256_Final(unsigned char [32], SHA256_CTX *);
  54 void    HMAC_SHA256_Init(HMAC_SHA256_CTX *, const void *, size_t);
  55 void    HMAC_SHA256_Update(HMAC_SHA256_CTX *, const void *, size_t);
  56 void    HMAC_SHA256_Final(unsigned char [32], HMAC_SHA256_CTX *);
  57
  58 /**
  59  * PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
  60  * Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
  61  * write the output to buf.  The value dkLen must be at most 32 * (2^32 - 1).
  62  */
  63 void    PBKDF2_SHA256(const uint8_t *, size_t, const uint8_t *, size_t,
  64     uint64_t, uint8_t *, size_t);
  65
  66 #ifdef __cplusplus
  67 }
  68 #endif
  69
  70 #endif /* !_SHA256_H_ */