diff --git a/trial1/layer1.c b/trial1/layer1.c
index 59dcacb..c08858b 100644
--- a/trial1/layer1.c
+++ b/trial1/layer1.c
@@ -184,10 +184,6 @@ int _calcCDID(uint8_t * _CDID)
 
 	//step3 : call calcCDID
 	calcCDID(UDS_ID,FW_ID,_CDID);
-	calcCDID(UDS_ID,FW_ID,_CDID);
-	calcCDID(UDS_ID,FW_ID,_CDID);
-
-
 	
 	BIO_printf(out,"_UDID : ");
 	for(int i = 0; i < SHA256_dig_t; i++)
diff --git a/trial1/layer2.c b/trial1/layer2.c
index 0a248b7..256eaca 100644
--- a/trial1/layer2.c
+++ b/trial1/layer2.c
@@ -29,6 +29,7 @@ void startProtocol()
 
 	uint8_t* _CD_ID = calloc(1,sizeof(uint8_t)*SHA256_dig_t);
 	_calcCDID(_CD_ID);
+	
 
 	//End block
 	free(UDS_ID);
diff --git a/trial1/out/main2 b/trial1/out/main2
index 57c11f5..40f4da6 100755
Binary files a/trial1/out/main2 and b/trial1/out/main2 differ