From: ARUN MANKUZHI <aru...@samsung.com>
sha256 command is added which can be used to test SHA 256 hash
algorithm.
Signed-off-by: ARUN MANKUZHI <aru...@samsung.com>
Signed-off-by: Simon Glass <s...@chromium.org>
---
README | 1 +
common/Makefile | 1 +
common/cmd_sha256.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++
include/config_cmd_all.h | 1 +
4 files changed, 60 insertions(+), 0 deletions(-)
create mode 100644 common/cmd_sha256.c
diff --git a/README b/README
index 785953f..31e25fe 100644
--- a/README
+++ b/README
@@ -861,6 +861,7 @@ The following options need to be configured:
(requires CONFIG_CMD_I2C)
CONFIG_CMD_SETGETDCR Support for DCR Register access
(4xx only)
+ CONFIG_CMD_SHA256 * Calculate SHA256 for block
CONFIG_CMD_SF * Read/write/erase SPI NOR flash
CONFIG_CMD_SHA1SUM print sha1 memory digest
(requires CONFIG_CMD_MEMORY)
diff --git a/common/Makefile b/common/Makefile
index 84968f8..6f6f0fa 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -150,6 +150,7 @@ COBJS-$(CONFIG_CMD_SF) += cmd_sf.o
COBJS-$(CONFIG_CMD_SCSI) += cmd_scsi.o
COBJS-$(CONFIG_CMD_SHA1SUM) += cmd_sha1sum.o
COBJS-$(CONFIG_CMD_SETEXPR) += cmd_setexpr.o
+COBJS-$(CONFIG_CMD_SHA256) += cmd_sha256.o
COBJS-$(CONFIG_CMD_SPI) += cmd_spi.o
COBJS-$(CONFIG_CMD_SPIBOOTLDR) += cmd_spibootldr.o
COBJS-$(CONFIG_CMD_STRINGS) += cmd_strings.o
diff --git a/common/cmd_sha256.c b/common/cmd_sha256.c
new file mode 100644
index 0000000..006391d
--- /dev/null
+++ b/common/cmd_sha256.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, w...@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>
+#include <sha256.h>
+
+int do_sha256(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ unsigned long inlen;
+ unsigned char *input, *out;
+ int i;
+ sha256_context sha_cnxt;
+ 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);
+
+ sha256_starts(&sha_cnxt);
+ sha256_update(&sha_cnxt, input, inlen);
+ sha256_finish(&sha_cnxt, out);
+
+ 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>"
+);
diff --git a/include/config_cmd_all.h b/include/config_cmd_all.h
index 148d676..efd17e6 100644
--- a/include/config_cmd_all.h
+++ b/include/config_cmd_all.h
@@ -79,6 +79,7 @@
#define CONFIG_CMD_SDRAM /* SDRAM DIMM SPD info printout */
#define CONFIG_CMD_SETEXPR /* setexpr support */
#define CONFIG_CMD_SETGETDCR /* DCR support on 4xx */
+#define CONFIG_CMD_SHA256 /* Calculate SHA256 for block */
#define CONFIG_CMD_SNTP /* SNTP support */
#define CONFIG_CMD_SOURCE /* "source" command support */
#define CONFIG_CMD_SPI /* SPI utility */
--
1.7.7.3
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