blob: 2b2dd8b45a8d6e3b403aef80ffcd814a5658b05b [file] [log] [blame]
Mike Frysingerc3d2a172011-04-02 21:40:19 -04001/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26#include <sha1.h>
27
28static int do_sha1sum(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
29{
30 unsigned long addr, len;
31 unsigned int i;
32 u8 output[20];
33
34 if (argc < 3)
35 return cmd_usage(cmdtp);
36
37 addr = simple_strtoul(argv[1], NULL, 16);
38 len = simple_strtoul(argv[2], NULL, 16);
39
Jens Scharsig3e499b62011-07-18 14:39:07 +020040 sha1_csum_wd((unsigned char *) addr, len, output, CHUNKSZ_SHA1);
Mike Frysingerc3d2a172011-04-02 21:40:19 -040041 printf("SHA1 for %08lx ... %08lx ==> ", addr, addr + len - 1);
42 for (i = 0; i < 20; i++)
43 printf("%02x", output[i]);
44 printf("\n");
45
46 return 0;
47}
48
49U_BOOT_CMD(
50 sha1sum, 3, 1, do_sha1sum,
51 "compute SHA1 message digest",
52 "address count"
53);