1*2e192b24SSimon Glass /*
2*2e192b24SSimon Glass * Copyright (c) 2012 The Chromium OS Authors.
3*2e192b24SSimon Glass *
4*2e192b24SSimon Glass * (C) Copyright 2011
5*2e192b24SSimon Glass * Joe Hershberger, National Instruments, joe.hershberger@ni.com
6*2e192b24SSimon Glass *
7*2e192b24SSimon Glass * (C) Copyright 2000
8*2e192b24SSimon Glass * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9*2e192b24SSimon Glass *
10*2e192b24SSimon Glass * SPDX-License-Identifier: GPL-2.0+
11*2e192b24SSimon Glass */
12*2e192b24SSimon Glass
13*2e192b24SSimon Glass #include <common.h>
14*2e192b24SSimon Glass #include <command.h>
15*2e192b24SSimon Glass #include <hash.h>
16*2e192b24SSimon Glass #include <linux/ctype.h>
17*2e192b24SSimon Glass
do_hash(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])18*2e192b24SSimon Glass static int do_hash(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
19*2e192b24SSimon Glass {
20*2e192b24SSimon Glass char *s;
21*2e192b24SSimon Glass int flags = HASH_FLAG_ENV;
22*2e192b24SSimon Glass
23*2e192b24SSimon Glass #ifdef CONFIG_HASH_VERIFY
24*2e192b24SSimon Glass if (argc < 4)
25*2e192b24SSimon Glass return CMD_RET_USAGE;
26*2e192b24SSimon Glass if (!strcmp(argv[1], "-v")) {
27*2e192b24SSimon Glass flags |= HASH_FLAG_VERIFY;
28*2e192b24SSimon Glass argc--;
29*2e192b24SSimon Glass argv++;
30*2e192b24SSimon Glass }
31*2e192b24SSimon Glass #endif
32*2e192b24SSimon Glass /* Move forward to 'algorithm' parameter */
33*2e192b24SSimon Glass argc--;
34*2e192b24SSimon Glass argv++;
35*2e192b24SSimon Glass for (s = *argv; *s; s++)
36*2e192b24SSimon Glass *s = tolower(*s);
37*2e192b24SSimon Glass return hash_command(*argv, flags, cmdtp, flag, argc - 1, argv + 1);
38*2e192b24SSimon Glass }
39*2e192b24SSimon Glass
40*2e192b24SSimon Glass #ifdef CONFIG_HASH_VERIFY
41*2e192b24SSimon Glass #define HARGS 6
42*2e192b24SSimon Glass #else
43*2e192b24SSimon Glass #define HARGS 5
44*2e192b24SSimon Glass #endif
45*2e192b24SSimon Glass
46*2e192b24SSimon Glass U_BOOT_CMD(
47*2e192b24SSimon Glass hash, HARGS, 1, do_hash,
48*2e192b24SSimon Glass "compute hash message digest",
49*2e192b24SSimon Glass "algorithm address count [[*]hash_dest]\n"
50*2e192b24SSimon Glass " - compute message digest [save to env var / *address]"
51*2e192b24SSimon Glass #ifdef CONFIG_HASH_VERIFY
52*2e192b24SSimon Glass "\nhash -v algorithm address count [*]hash\n"
53*2e192b24SSimon Glass " - verify message digest of memory area to immediate value, \n"
54*2e192b24SSimon Glass " env var or *address"
55*2e192b24SSimon Glass #endif
56*2e192b24SSimon Glass );
57