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
do_sha1sum(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])15 int 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
38 U_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
47 U_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