u-boot/cmd/sm3sum.c
Heiko Schocher c4ab316269 lib: sm3: implement U-Boot parts
add the U-Boot specific parts for the SM3 hash
implementation:

Signed-off-by: Heiko Schocher <hs@nabladev.com>
2025-12-04 09:38:58 -06:00

49 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2025
* Heiko Schocher, Nabladev Software Engineering, hs@nabladev.com
*
* based on code from cmd/md5sum.c
*/
#include <command.h>
#include <env.h>
#include <hash.h>
static int do_sm3sum(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
int flags = HASH_FLAG_ENV;
int ac;
char *const *av;
if (argc < 3)
return CMD_RET_USAGE;
av = argv + 1;
ac = argc - 1;
if (IS_ENABLED(CONFIG_SM3SUM_VERIFY) && strcmp(*av, "-v") == 0) {
flags |= HASH_FLAG_VERIFY;
av++;
ac--;
}
return hash_command("sm3_256", flags, cmdtp, flag, ac, av);
}
#if IS_ENABLED(CONFIG_SM3SUM_VERIFY)
U_BOOT_CMD(sm3sum, 5, 1, do_sm3sum,
"compute SM3 message digest",
"address count [[*]sum]\n"
" - compute SM3 message digest [save to sum]\n"
"sm3sum -v address count [*]sum\n"
" - verify sm3sum of memory area"
);
#else
U_BOOT_CMD(sm3sum, 4, 1, do_sm3sum,
"compute SM3 message digest",
"address count [[*]sum]\n"
" - compute SM3 message digest [save to sum]"
);
#endif /* IS_ENABLED(CONFIG_SM3SUM_VERIFY) */