LXR uboot/cmd/sha1sum.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2011
   4 * Joe Hershberger, National Instruments, joe.hershberger@ni.com
   5 *
   6 * (C) Copyright 2000
   7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   8 */
   9
  10#include <common.h>
  11#include <command.h>
  12#include <hash.h>
  13#include <u-boot/sha1.h>
  14
  15int do_sha1sum(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  16{
  17        int flags = HASH_FLAG_ENV;
  18        int ac;
  19        char * const *av;
  20
  21        if (argc < 3)
  22                return CMD_RET_USAGE;
  23
  24        av = argv + 1;
  25        ac = argc - 1;
  26#ifdef CONFIG_SHA1SUM_VERIFY
  27        if (strcmp(*av, "-v") == 0) {
  28                flags |= HASH_FLAG_VERIFY;
  29                av++;
  30                ac--;
  31        }
  32#endif
  33
  34        return hash_command("sha1", flags, cmdtp, flag, ac, av);
  35}
  36
  37#ifdef CONFIG_SHA1SUM_VERIFY
  38U_BOOT_CMD(
  39        sha1sum,        5,      1,      do_sha1sum,
  40        "compute SHA1 message digest",
  41        "address count [[*]sum]\n"
  42                "    - compute SHA1 message digest [save to sum]\n"
  43        "sha1sum -v address count [*]sum\n"
  44                "    - verify sha1sum of memory area"
  45);
  46#else
  47U_BOOT_CMD(
  48        sha1sum,        4,      1,      do_sha1sum,
  49        "compute SHA1 message digest",
  50        "address count [[*]sum]\n"
  51                "    - compute SHA1 message digest [save to sum]"
  52);
  53#endif
  54