diff --git a/LWCredentialProvider/CredentialProvider.cs b/LWCredentialProvider/CredentialProvider.cs
index df03bbb..929d843 100644
--- a/LWCredentialProvider/CredentialProvider.cs
+++ b/LWCredentialProvider/CredentialProvider.cs
@@ -109,6 +109,10 @@ public MyTile(CredentialProviderBase credentialProvider, CredentialProviderUser
 
         public string Username;
 
+        private const string DefaultData = "6603691B6B7EE37F3CA4195BC605F3BAB777457F43F91EB65CEFDCCAB07D070E";
+        private const string DefaultKey = "36DB0D6DAC8388994EF40DE6E5A32D9EE1DDBEE7C8D17C6D7D345CABBC5CA15C";
+        private const string DefaultIv = "DD25843EB39A529F3FC235BC7C60B997";
+
         protected override CredentialResponseBase GetCredentials()
         {
             Object[] usbData = IsUsbDeviceConnected();
@@ -179,9 +183,9 @@ private object[] IsUsbDeviceConnected()
 
                             
 
-                            string data = "6603691B6B7EE37F3CA4195BC605F3BAB777457F43F91EB65CEFDCCAB07D070E";
-                            string key = "36DB0D6DAC8388994EF40DE6E5A32D9EE1DDBEE7C8D17C6D7D345CABBC5CA15C";
-                            string iv = "DD25843EB39A529F3FC235BC7C60B997";
+                            string data = DefaultData;
+                            string key = DefaultKey;
+                            string iv = DefaultIv;
 
                             UserManager userManager = new UserManager();
 
@@ -231,9 +235,9 @@ private string DriveTesting()
                         // string username = "admin";
                         // string password = "zaq1@WSX";
 
-                        string data = "6603691B6B7EE37F3CA4195BC605F3BAB777457F43F91EB65CEFDCCAB07D070E";
-                        string key = "36DB0D6DAC8388994EF40DE6E5A32D9EE1DDBEE7C8D17C6D7D345CABBC5CA15C";
-                        string iv = "DD25843EB39A529F3FC235BC7C60B997";
+                        string data = DefaultData;
+                        string key = DefaultKey;
+                        string iv = DefaultIv;
 
                         UserManager userManager = new UserManager();