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/*
* 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.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <hash.h>
static int do_hash(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
#ifdef CONFIG_HASH_VERIFY
int flags = HASH_FLAG_ENV;
if (argc < 4)
return CMD_RET_USAGE;
if (!strcmp(argv[1], "-v")) {
flags |= HASH_FLAG_VERIFY;
argc--;
argv++;
}
#else
const int flags = HASH_FLAG_ENV;
#endif
/* Move forward to 'algorithm' parameter */
argc--;
argv++;
return hash_command(*argv, flags, cmdtp, flag, argc - 1, argv + 1);
}
#ifdef CONFIG_HASH_VERIFY
U_BOOT_CMD(
hash, 6, 1, do_hash,
"compute hash message digest",
"algorithm address count [[*]sum_dest]\n"
" - compute message digest [save to env var / *address]\n"
"hash -v algorithm address count [*]sum\n"
" - verify hash of memory area with env var / *address"
);
#else
U_BOOT_CMD(
hash, 5, 1, do_hash,
"compute message digest",
"algorithm address count [[*]sum_dest]\n"
" - compute message digest [save to env var / *address]"
);
#endif
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