1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
22e192b24SSimon Glass /*
32e192b24SSimon Glass * Copyright (c) 2012 The Chromium OS Authors.
42e192b24SSimon Glass *
52e192b24SSimon Glass * (C) Copyright 2011
62e192b24SSimon Glass * Joe Hershberger, National Instruments, joe.hershberger@ni.com
72e192b24SSimon Glass *
82e192b24SSimon Glass * (C) Copyright 2000
92e192b24SSimon Glass * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
102e192b24SSimon Glass */
112e192b24SSimon Glass
122e192b24SSimon Glass #include <common.h>
132e192b24SSimon Glass #include <command.h>
142e192b24SSimon Glass #include <hash.h>
152e192b24SSimon Glass #include <linux/ctype.h>
162e192b24SSimon Glass
do_hash(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])172e192b24SSimon Glass static int do_hash(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
182e192b24SSimon Glass {
192e192b24SSimon Glass char *s;
202e192b24SSimon Glass int flags = HASH_FLAG_ENV;
212e192b24SSimon Glass
222e192b24SSimon Glass #ifdef CONFIG_HASH_VERIFY
232e192b24SSimon Glass if (argc < 4)
242e192b24SSimon Glass return CMD_RET_USAGE;
252e192b24SSimon Glass if (!strcmp(argv[1], "-v")) {
262e192b24SSimon Glass flags |= HASH_FLAG_VERIFY;
272e192b24SSimon Glass argc--;
282e192b24SSimon Glass argv++;
292e192b24SSimon Glass }
302e192b24SSimon Glass #endif
312e192b24SSimon Glass /* Move forward to 'algorithm' parameter */
322e192b24SSimon Glass argc--;
332e192b24SSimon Glass argv++;
342e192b24SSimon Glass for (s = *argv; *s; s++)
352e192b24SSimon Glass *s = tolower(*s);
362e192b24SSimon Glass return hash_command(*argv, flags, cmdtp, flag, argc - 1, argv + 1);
372e192b24SSimon Glass }
382e192b24SSimon Glass
392e192b24SSimon Glass #ifdef CONFIG_HASH_VERIFY
402e192b24SSimon Glass #define HARGS 6
412e192b24SSimon Glass #else
422e192b24SSimon Glass #define HARGS 5
432e192b24SSimon Glass #endif
442e192b24SSimon Glass
452e192b24SSimon Glass U_BOOT_CMD(
462e192b24SSimon Glass hash, HARGS, 1, do_hash,
472e192b24SSimon Glass "compute hash message digest",
482e192b24SSimon Glass "algorithm address count [[*]hash_dest]\n"
492e192b24SSimon Glass " - compute message digest [save to env var / *address]"
502e192b24SSimon Glass #ifdef CONFIG_HASH_VERIFY
512e192b24SSimon Glass "\nhash -v algorithm address count [*]hash\n"
522e192b24SSimon Glass " - verify message digest of memory area to immediate value, \n"
532e192b24SSimon Glass " env var or *address"
542e192b24SSimon Glass #endif
552e192b24SSimon Glass );
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