sha256 command is added which can be used to test SHA 256 hash algorithm.
TEST=sha256 0x40008000 0x2B 0x40009000 Used mm and md to write a standard string to memory location 0x40008000 and ran the above command to verify the output.
Signed-off-by: ARUN MANKUZHI arun.m@samsung.com Signed-off-by: Akshay Saraswat akshay.s@samsung.com --- common/Makefile | 1 + common/cmd_sha256.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+) create mode 100644 common/cmd_sha256.c
diff --git a/common/Makefile b/common/Makefile index 54fcc81..6170ed5 100644 --- a/common/Makefile +++ b/common/Makefile @@ -201,6 +201,7 @@ COBJS-$(CONFIG_MENU) += menu.o COBJS-$(CONFIG_MODEM_SUPPORT) += modem.o COBJS-$(CONFIG_UPDATE_TFTP) += update.o COBJS-$(CONFIG_USB_KEYBOARD) += usb_kbd.o +COBJS-$(CONFIG_CMD_SHA256) += cmd_sha256.o COBJS-$(CONFIG_CMD_DFU) += cmd_dfu.o COBJS-$(CONFIG_CMD_GPT) += cmd_gpt.o endif diff --git a/common/cmd_sha256.c b/common/cmd_sha256.c new file mode 100644 index 0000000..e4f6b56 --- /dev/null +++ b/common/cmd_sha256.c @@ -0,0 +1,69 @@ +/* + * Copyright 2000-2009 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> +#ifdef CONFIG_EXYNOS_ACE_SHA +#include <asm/arch/ace_sha.h> +#else +#include <sha256.h> +#endif + +int do_sha256(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + unsigned long inlen; + unsigned char *input, *out; + int i; +#ifndef CONFIG_EXYNOS_ACE_SHA + sha256_context sha_cnxt; +#endif + if (argc < 4) { + printf("usage: sha256 <input> <input length> <output>\n"); + return 0; + } + input = (unsigned char *)simple_strtoul(argv[1], NULL, 16); + inlen = simple_strtoul(argv[2], NULL, 16); + out = (unsigned char *)simple_strtoul(argv[3], NULL, 16); + +#ifdef CONFIG_EXYNOS_ACE_SHA + ace_sha_hash_digest(out, input, inlen, 2); +#else + sha256_starts(&sha_cnxt); + + sha256_update(&sha_cnxt, input, inlen); + + sha256_finish(&sha_cnxt, out); +#endif + + for (i = 0; i < 32; i++) + printf("0x%02X ", out[i]); + printf("\n"); + + return 0; +} + +U_BOOT_CMD( + sha256, 4, 1, do_sha256, + "print hash result", + "<input> <inputlength> <output>" +);