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
  15 int do_sha1sum(cmd_tbl_t *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
  38 U_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
  47 U_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