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 <command.h>
  11 #include <hash.h>
  12 #include <u-boot/sha1.h>
  13
  14 int do_sha1sum(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  15 {
  16         int flags = HASH_FLAG_ENV;
  17         int ac;
  18         char * const *av;
  19
  20         if (argc < 3)
  21                 return CMD_RET_USAGE;
  22
  23         av = argv + 1;
  24         ac = argc - 1;
  25 #ifdef CONFIG_SHA1SUM_VERIFY
  26         if (strcmp(*av, "-v") == 0) {
  27                 flags |= HASH_FLAG_VERIFY;
  28                 av++;
  29                 ac--;
  30         }
  31 #endif
  32
  33         return hash_command("sha1", flags, cmdtp, flag, ac, av);
  34 }
  35
  36 #ifdef CONFIG_SHA1SUM_VERIFY
  37 U_BOOT_CMD(
  38         sha1sum,        5,      1,      do_sha1sum,
  39         "compute SHA1 message digest",
  40         "address count [[*]sum]\n"
  41                 "    - compute SHA1 message digest [save to sum]\n"
  42         "sha1sum -v address count [*]sum\n"
  43                 "    - verify sha1sum of memory area"
  44 );
  45 #else
  46 U_BOOT_CMD(
  47         sha1sum,        4,      1,      do_sha1sum,
  48         "compute SHA1 message digest",
  49         "address count [[*]sum]\n"
  50                 "    - compute SHA1 message digest [save to sum]"
  51 );
  52 #endif