/* * 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. * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <command.h> #include <hash.h> #include <linux/ctype.h> static int do_hash(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { char *s; int flags = HASH_FLAG_ENV; #ifdef CONFIG_HASH_VERIFY if (argc < 4) return CMD_RET_USAGE; 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); } #ifdef CONFIG_HASH_VERIFY #define HARGS 6 #else #define HARGS 5 #endif 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]" #ifdef 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 );