u-boot/common/cmd_sha1sum.c

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/*
* (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_usage(cmdtp);
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("\n");
return 0;
}
U_BOOT_CMD(
sha1sum, 3, 1, do_sha1sum,
"compute SHA1 message digest",
"address count"
);