/*

  chronyd/chronyc - Programs for keeping computer clocks accurate.

 **********************************************************************

 * Copyright (C) Miroslav Lichvar  2012

 * 

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of version 2 of the GNU General Public License as

 * published by the Free Software Foundation.

 * 

 * This program is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License along

 * with this program; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 * 

 **********************************************************************

  =======================================================================

  Routines implementing crypto hashing using internal MD5 implementation.

  */

#include "config.h"

#include "sysincl.h"

#include "hash.h"

#include "memory.h"

#include "util.h"

#include "md5.c"

static MD5_CTX ctx;

int

HSH_GetHashId(const char *name)

{

  /* only MD5 is supported */

  if (strcmp(name, "MD5"))

    return -1;

  return 0;

}

unsigned int

HSH_Hash(int id, const unsigned char *in1, unsigned int in1_len,

    const unsigned char *in2, unsigned int in2_len,

    unsigned char *out, unsigned int out_len)

{

  MD5Init(&ctx;;

  MD5Update(&ctx, in1, in1_len);

  if (in2)

    MD5Update(&ctx, in2, in2_len);

  MD5Final(&ctx;;

  out_len = MIN(out_len, 16);

  memcpy(out, ctx.digest, out_len);

  return out_len;

}

void

HSH_Finalise(void)

{

}