1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (c) 2012 The Chromium OS Authors.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * (C) Copyright 2011
5*4882a593Smuzhiyun * Joe Hershberger, National Instruments, joe.hershberger@ni.com
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * (C) Copyright 2000
8*4882a593Smuzhiyun * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include <common.h>
14*4882a593Smuzhiyun #include <command.h>
15*4882a593Smuzhiyun #include <hash.h>
16*4882a593Smuzhiyun #include <linux/ctype.h>
17*4882a593Smuzhiyun
do_hash(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])18*4882a593Smuzhiyun static int do_hash(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun char *s;
21*4882a593Smuzhiyun int flags = HASH_FLAG_ENV;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun #ifdef CONFIG_HASH_VERIFY
24*4882a593Smuzhiyun if (argc < 4)
25*4882a593Smuzhiyun return CMD_RET_USAGE;
26*4882a593Smuzhiyun if (!strcmp(argv[1], "-v")) {
27*4882a593Smuzhiyun flags |= HASH_FLAG_VERIFY;
28*4882a593Smuzhiyun argc--;
29*4882a593Smuzhiyun argv++;
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun #endif
32*4882a593Smuzhiyun /* Move forward to 'algorithm' parameter */
33*4882a593Smuzhiyun argc--;
34*4882a593Smuzhiyun argv++;
35*4882a593Smuzhiyun for (s = *argv; *s; s++)
36*4882a593Smuzhiyun *s = tolower(*s);
37*4882a593Smuzhiyun return hash_command(*argv, flags, cmdtp, flag, argc - 1, argv + 1);
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun #ifdef CONFIG_HASH_VERIFY
41*4882a593Smuzhiyun #define HARGS 6
42*4882a593Smuzhiyun #else
43*4882a593Smuzhiyun #define HARGS 5
44*4882a593Smuzhiyun #endif
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun U_BOOT_CMD(
47*4882a593Smuzhiyun hash, HARGS, 1, do_hash,
48*4882a593Smuzhiyun "compute hash message digest",
49*4882a593Smuzhiyun "algorithm address count [[*]hash_dest]\n"
50*4882a593Smuzhiyun " - compute message digest [save to env var / *address]"
51*4882a593Smuzhiyun #ifdef CONFIG_HASH_VERIFY
52*4882a593Smuzhiyun "\nhash -v algorithm address count [*]hash\n"
53*4882a593Smuzhiyun " - verify message digest of memory area to immediate value, \n"
54*4882a593Smuzhiyun " env var or *address"
55*4882a593Smuzhiyun #endif
56*4882a593Smuzhiyun );
57