From 766529fccc860ecb9e955b4239dff69cd9e4ea09 Mon Sep 17 00:00:00 2001
From: Bartlomiej Sieka <tur@semihalf.com>
Date: Fri, 14 Mar 2008 16:22:34 +0100
Subject: Add MD5 support to the new uImage format

Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>

diff --git a/Makefile b/Makefile
index c56518f..3bb8a74 100644
--- a/Makefile
+++ b/Makefile
@@ -2873,7 +2873,7 @@ clobber:	clean
 	@rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 		$(obj)cscope.* $(obj)*.*~
 	@rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL)
-	@rm -f $(obj)tools/{crc32.c,environment.c,env/crc32.c,sha1.c,inca-swap-bytes}
+	@rm -f $(obj)tools/{crc32.c,environment.c,env/crc32.c,md5.c,sha1.c,inca-swap-bytes}
 	@rm -f $(obj)tools/{image.c,fdt.c,fdt_ro.c,fdt_rw.c,fdt_strerror.c}
 	@rm -f $(obj)tools/{fdt_wip.c,libfdt_internal.h}
 	@rm -f $(obj)cpu/mpc824x/bedbug_603e.c
diff --git a/common/image.c b/common/image.c
index a2a739e..6508df9 100644
--- a/common/image.c
+++ b/common/image.c
@@ -54,6 +54,7 @@
 #endif
 
 #if defined(CONFIG_FIT)
+#include <md5.h>
 #include <sha1.h>
 
 static int fit_check_ramdisk (const void *fit, int os_noffset,
@@ -70,6 +71,7 @@ static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch,
 						int verify);
 #else
 #include "mkimage.h"
+#include <md5.h>
 #include <time.h>
 #include <image.h>
 #endif /* !USE_HOSTCC*/
@@ -1940,8 +1942,8 @@ static int calculate_hash (const void *data, int data_len, const char *algo,
 				(unsigned char *) value);
 		*value_len = 20;
 	} else if (strcmp (algo, "md5") == 0 ) {
-		printf ("MD5 not supported\n");
-		*value_len = 0;
+		md5 ((unsigned char *)data, data_len, value);
+		*value_len = 16;
 	} else {
 		debug ("Unsupported hash alogrithm\n");
 		return -1;
diff --git a/include/image.h b/include/image.h
index fbd8c30..f22dafd 100644
--- a/include/image.h
+++ b/include/image.h
@@ -64,6 +64,7 @@
 #include <fdt.h>
 #include <libfdt.h>
 #include <fdt_support.h>
+#define CONFIG_MD5		/* FIT images need MD5 support */
 #endif
 
 /*
diff --git a/tools/.gitignore b/tools/.gitignore
index 0ce2e77..979f2da 100644
--- a/tools/.gitignore
+++ b/tools/.gitignore
@@ -4,6 +4,7 @@
 /environment.c
 /gen_eth_addr
 /img2srec
+/md5.c
 /mkimage
 /sha1.c
 /ubsha1
diff --git a/tools/Makefile b/tools/Makefile
index aa4af18..9f0dedf 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -23,7 +23,7 @@
 
 BIN_FILES	= img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) ubsha1$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX)
 
-OBJ_LINKS	= environment.o crc32.o sha1.o image.o
+OBJ_LINKS	= environment.o crc32.o md5.o sha1.o image.o
 OBJ_FILES	= img2srec.o mkimage.o envcrc.o ubsha1.o gen_eth_addr.o bmp_logo.o
 
 ifeq ($(ARCH),mips)
@@ -143,7 +143,7 @@ $(obj)img2srec$(SFX):	$(obj)img2srec.o
 		$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
 		$(STRIP) $@
 
-$(obj)mkimage$(SFX):	$(obj)mkimage.o $(obj)crc32.o $(obj)image.o $(obj)sha1.o $(LIBFDT_OBJ_FILES)
+$(obj)mkimage$(SFX):	$(obj)mkimage.o $(obj)crc32.o $(obj)image.o $(obj)md5.o $(obj)sha1.o $(LIBFDT_OBJ_FILES)
 		$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
 		$(STRIP) $@
 
@@ -176,6 +176,9 @@ $(obj)ubsha1.o:	$(src)ubsha1.c
 $(obj)crc32.o:	$(obj)crc32.c
 		$(CC) -g $(CFLAGS) -c -o $@ $<
 
+$(obj)md5.o:	$(obj)md5.c
+		$(CC) -g $(CFLAGS) -c -o $@ $<
+
 $(obj)sha1.o:	$(obj)sha1.c
 		$(CC) -g $(CFLAGS) -c -o $@ $<
 
@@ -237,6 +240,10 @@ $(obj)crc32.c:
 		@rm -f $(obj)crc32.c
 		ln -s $(src)../lib_generic/crc32.c $(obj)crc32.c
 
+$(obj)md5.c:
+		@rm -f $(obj)md5.c
+		ln -s $(src)../lib_generic/md5.c $(obj)md5.c
+
 $(obj)sha1.c:
 		@rm -f $(obj)sha1.c
 		ln -s $(src)../lib_generic/sha1.c $(obj)sha1.c
-- 
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