diff --git a/7-SGX_Hands-on/src/enclave/enclave.c b/7-SGX_Hands-on/src/enclave/enclave.c
index 14f6a8a..2c62e70 100644
--- a/7-SGX_Hands-on/src/enclave/enclave.c
+++ b/7-SGX_Hands-on/src/enclave/enclave.c
@@ -53,6 +53,17 @@
 #define SI_SIZE 2*SK_SIZE
 #endif
 
+const sgx_ec256_public_t authorized[2] = {
+    {
+        0,
+        0
+    },
+    {
+        0,
+        0
+    }
+};
+
 int get_sealed_size() {
     return sgx_calc_sealed_data_size(PK_SIZE, SK_SIZE);
 }