update

crypto/sms4/sms4_ecb.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "sms4.h"
+#include <assert.h>
+
+void sms4_ecb_encrypt(const unsigned char *in, unsigned char *out, const sms4_key_t *key, int encrypt) {
+        assert(in && out && key);
+        if(encrypt)
+                sms4_encrypt(in, out, key);
+        else
+                sms4_decrypt(in, out, key);
+}
+
+//sms4_decrypt = sms4_encrypt, but the key is in reverse order