3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
28 static int do_sha1sum(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
30 unsigned long addr, len;
37 addr = simple_strtoul(argv[1], NULL, 16);
38 len = simple_strtoul(argv[2], NULL, 16);
40 sha1_csum_wd((unsigned char *) addr, len, output, CHUNKSZ_SHA1);
41 printf("SHA1 for %08lx ... %08lx ==> ", addr, addr + len - 1);
42 for (i = 0; i < 20; i++)
43 printf("%02x", output[i]);
50 sha1sum, 3, 1, do_sha1sum,
51 "compute SHA1 message digest",