common/cmd_sha1sum.c

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