diff --git a/app/src/main/java/com/peew/notesr/crypto/CryptoTools.java b/app/src/main/java/com/peew/notesr/crypto/CryptoTools.java
index b32c7b5a..0bd2ff41 100644
--- a/app/src/main/java/com/peew/notesr/crypto/CryptoTools.java
+++ b/app/src/main/java/com/peew/notesr/crypto/CryptoTools.java
@@ -33,7 +33,7 @@ public static byte[] hexKeyToBytes(String hex) {
             bytes[i] = (byte) Integer.parseInt(hexArray[i], 16);
         }
 
-        return new byte[0];
+        return bytes;
     }
     private static String byteToHex(byte value) {
         char[] hexDigits = new char[2];