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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2012 The Chromium OS Authors.
*
* (C) Copyright 2011
* Joe Hershberger, National Instruments, joe.hershberger@ni.com
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
#include <common.h>
#include <command.h>
#include <hash.h>
#include <linux/ctype.h>
#if IS_ENABLED(CONFIG_HASH_VERIFY)
#define HARGS 6
#else
#define HARGS 5
#endif
static int do_hash(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
char *s;
int flags = HASH_FLAG_ENV;
if (argc < (HARGS - 1))
return CMD_RET_USAGE;
#if IS_ENABLED(CONFIG_HASH_VERIFY)
if (!strcmp(argv[1], "-v")) {
flags |= HASH_FLAG_VERIFY;
argc--;
argv++;
}
#endif
/* Move forward to 'algorithm' parameter */
argc--;
argv++;
for (s = *argv; *s; s++)
*s = tolower(*s);
return hash_command(*argv, flags, cmdtp, flag, argc - 1, argv + 1);
}
U_BOOT_CMD(
hash, HARGS, 1, do_hash,
"compute hash message digest",
"algorithm address count [[*]hash_dest]\n"
" - compute message digest [save to env var / *address]"
#if IS_ENABLED(CONFIG_HASH_VERIFY)
"\nhash -v algorithm address count [*]hash\n"
" - verify message digest of memory area to immediate value, \n"
" env var or *address"
#endif
);
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