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1 /*
2 * (C) Copyright 2011
3 * Joe Hershberger, National Instruments, joe.hershberger@ni.com
4 *
5 * (C) Copyright 2000
6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 *
8 * SPDX-License-Identifier: GPL-2.0+
9 */
10
11 #include <common.h>
12 #include <command.h>
13 #include <hash.h>
14 #include <u-boot/sha1.h>
15
16 int do_sha1sum(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
17 {
18 int flags = HASH_FLAG_ENV;
19 int ac;
20 char * const *av;
21
22 if (argc < 3)
23 return CMD_RET_USAGE;
24
25 av = argv + 1;
26 ac = argc - 1;
27 #ifdef CONFIG_SHA1SUM_VERIFY
28 if (strcmp(*av, "-v") == 0) {
29 flags |= HASH_FLAG_VERIFY;
30 av++;
31 ac--;
32 }
33 #endif
34
35 return hash_command("sha1", flags, cmdtp, flag, ac, av);
36 }
37
38 #ifdef CONFIG_SHA1SUM_VERIFY
39 U_BOOT_CMD(
40 sha1sum, 5, 1, do_sha1sum,
41 "compute SHA1 message digest",
42 "address count [[*]sum]\n"
43 " - compute SHA1 message digest [save to sum]\n"
44 "sha1sum -v address count [*]sum\n"
45 " - verify sha1sum of memory area"
46 );
47 #else
48 U_BOOT_CMD(
49 sha1sum, 4, 1, do_sha1sum,
50 "compute SHA1 message digest",
51 "address count [[*]sum]\n"
52 " - compute SHA1 message digest [save to sum]"
53 );
54 #endif