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