diff options
| author | Heiko Schocher <[email protected]> | 2025-11-18 05:30:39 +0100 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2025-12-04 09:38:58 -0600 |
| commit | c4ab316269debc321907acc4f8f02dfe5653aeaf (patch) | |
| tree | 62bdb7cff456cb101a8b9aa1d50090f22a01cd40 /cmd | |
| parent | 41c0131b950a16747929ab310588cf5db8e38123 (diff) | |
lib: sm3: implement U-Boot parts
add the U-Boot specific parts for the SM3 hash
implementation:
Signed-off-by: Heiko Schocher <[email protected]>
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/Kconfig | 15 | ||||
| -rw-r--r-- | cmd/Makefile | 1 | ||||
| -rw-r--r-- | cmd/sm3sum.c | 48 |
3 files changed, 64 insertions, 0 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index 5b9c13d85e7..8e3efff2bee 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -264,6 +264,21 @@ config CMD_SBI help Display information about the SBI implementation. +config CMD_SM3SUM + bool "sm3sum" + select SM3 + select HASH + help + Compute SM3 checksum. + add SM3 hash functionality + +config SM3SUM_VERIFY + bool "sm3sum -v" + depends on CMD_SM3SUM + help + Add for the sm3sum command the -v option + to verify data against an SM3 checksum. + config CMD_SMBIOS bool "smbios" depends on SMBIOS diff --git a/cmd/Makefile b/cmd/Makefile index 25479907797..642042cfe00 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -177,6 +177,7 @@ obj-$(CONFIG_CMD_SETEXPR) += setexpr.o obj-$(CONFIG_CMD_SETEXPR_FMT) += printf.o obj-$(CONFIG_CMD_SPI) += spi.o obj-$(CONFIG_CMD_STRINGS) += strings.o +obj-$(CONFIG_CMD_SM3SUM) += sm3sum.o obj-$(CONFIG_CMD_SMBIOS) += smbios.o obj-$(CONFIG_CMD_SMC) += smccc.o obj-$(CONFIG_CMD_SYSBOOT) += sysboot.o diff --git a/cmd/sm3sum.c b/cmd/sm3sum.c new file mode 100644 index 00000000000..9044a322e22 --- /dev/null +++ b/cmd/sm3sum.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2025 + * Heiko Schocher, Nabladev Software Engineering, [email protected] + * + * 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) */ |