/*
   * (C) Copyright 2000
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
   * See file CREDITS for list of people who contributed to this
   * project.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License as
   * published by the Free Software Foundation; either version 2 of
   * the License, or (at your option) any later version.
   *
   * 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., 59 Temple Place, Suite 330, Boston,
   * MA 02111-1307 USA
   */
  
  #include <common.h>
  #include <command.h>
  #include <sha1.h>
  
  static int do_sha1sum(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  {
  	unsigned long addr, len;
  	unsigned int i;
  	u8 output[20];
  
  	if (argc < 3)

  		return CMD_RET_USAGE;

  
  	addr = simple_strtoul(argv[1], NULL, 16);
  	len = simple_strtoul(argv[2], NULL, 16);

  	sha1_csum_wd((unsigned char *) addr, len, output, CHUNKSZ_SHA1);

  	printf("SHA1 for %08lx ... %08lx ==> ", addr, addr + len - 1);
  	for (i = 0; i < 20; i++)
  		printf("%02x", output[i]);
  	printf("
  ");
  
  	return 0;
  }
  
  U_BOOT_CMD(
  	sha1sum,	3,	1,	do_sha1sum,
  	"compute SHA1 message digest",
  	"address count"
  );