/*====================================================================*
*
* SHA256Reset (struct sha256 * sha256)
*
* SHA256.h
*
* initialize the SHA256 hash state; this effectively erases the
* previous hash state;
*
* Read standard FIPS180-2 sec 5.3.2 for an explanation;
*
* Motley Tools by Charles Maier <cmaier@cmassoc.net>;
* Copyright (c) 2001-2006 by Charles Maier Associates;
* Licensed under the Internet Software Consortium License;
*
*--------------------------------------------------------------------*/
#ifndef SHA256RESET_SOURCE
#define SHA256RESET_SOURCE
#include "../key/SHA256.h"
void SHA256Reset (struct sha256 * sha256)
{
memset (sha256, 0, sizeof (struct sha256));
sha256->state [0] = 0x6A09E667;
sha256->state [1] = 0xBB67AE85;
sha256->state [2] = 0x3C6EF372;
sha256->state [3] = 0xA54FF53A;
sha256->state [4] = 0x510E527F;
sha256->state [5] = 0x9B05688C;
sha256->state [6] = 0x1F83D9AB;
sha256->state [7] = 0x5BE0CD19;
sha256->extra [0] = 0x80;
return;
}
#endif