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c3d2a17c MF |
1 | /* |
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 | ||
28 | static 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 | ||
3e499b6a | 40 | sha1_csum_wd((unsigned char *) addr, len, output, CHUNKSZ_SHA1); |
c3d2a17c MF |
41 | 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 | ||
49 | U_BOOT_CMD( | |
50 | sha1sum, 3, 1, do_sha1sum, | |
51 | "compute SHA1 message digest", | |
52 | "address count" | |
53 | ); |