diff --git a/common/cmd_mem.c b/common/cmd_mem.c
index cdf8c79..9850800 100644
--- a/common/cmd_mem.c
+++ b/common/cmd_mem.c
@@ -34,6 +34,9 @@
 #endif
 #include <watchdog.h>
 
+#include <u-boot/md5.h>
+#include <sha1.h>
+
 #ifdef	CMD_MEM_DEBUG
 #define	PRINTF(fmt,args...)	printf (fmt ,##args)
 #else
@@ -1141,6 +1144,55 @@
 }
 #endif	/* CONFIG_CRC32_VERIFY */
 
+#ifdef CONFIG_CMD_MD5SUM
+int do_md5sum(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned long addr, len;
+	unsigned int i;
+	u8 output[16];
+
+	if (argc < 3) {
+		cmd_usage(cmdtp);
+		return 1;
+	}
+
+	addr = simple_strtoul(argv[1], NULL, 16);
+	len = simple_strtoul(argv[2], NULL, 16);
+
+	md5((unsigned char *) addr, len, output);
+	printf("md5 for %08lx ... %08lx ==> ", addr, addr + len - 1);
+	for (i = 0; i < 16; i++)
+		printf("%02x", output[i]);
+	printf("\n");
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_CMD_SHA1
+int do_sha1sum(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned long addr, len;
+	unsigned int i;
+	u8 output[20];
+
+	if (argc < 3) {
+		cmd_usage(cmdtp);
+		return 1;
+	}
+
+	addr = simple_strtoul(argv[1], NULL, 16);
+	len = simple_strtoul(argv[2], NULL, 16);
+
+	sha1_csum((unsigned char *) addr, len, output);
+	printf("SHA1 for %08lx ... %08lx ==> ", addr, addr + len - 1);
+	for (i = 0; i < 20; i++)
+		printf("%02x", output[i]);
+	printf("\n");
+
+	return 0;
+}
+#endif
 
 #ifdef CONFIG_CMD_UNZIP
 int  gunzip (void *, int, unsigned char *, unsigned long *);
@@ -1267,6 +1319,22 @@
 );
 #endif /* CONFIG_MX_CYCLIC */
 
+#ifdef CONFIG_CMD_MD5SUM
+U_BOOT_CMD(
+	md5sum,	3,	1,	do_md5sum,
+	"compute MD5 message digest",
+	"address count"
+);
+#endif
+
+#ifdef CONFIG_CMD_SHA1SUM
+U_BOOT_CMD(
+	sha1sum,	3,	1,	do_sha1sum,
+	"compute SHA1 message digest",
+	"address count"
+);
+#endif /* CONFIG_CMD_SHA1 */
+
 #ifdef CONFIG_CMD_UNZIP
 U_BOOT_CMD(
 	unzip,	4,	1,	do_unzip,