kjwang/Fix TUP-24128 Remove Hard coded keys from EncryptionHelper /

EncryptedProperties
https://jira.talendforge.org/browse/TUP-24128

main/plugins/org.talend.repository/src/main/java/org/talend/repository/ui/login/connections/EncryptedProperties.java

@@ -14,6 +14,9 @@ package org.talend.repository.ui.login.connections;
 
 import java.util.Properties;
 
+import org.talend.commons.ui.runtime.exception.ExceptionHandler;
+import org.talend.daikon.crypto.EncodingUtils;
+import org.talend.daikon.crypto.KeySources;
 import org.talend.daikon.security.CryptoHelper;
 
 /**
@@ -24,7 +27,16 @@ public class EncryptedProperties extends Properties {
     private CryptoHelper crypto;
 
     public EncryptedProperties() {
-        crypto = new CryptoHelper("Il faudrait trouver une passphrase plus originale que celle-ci!");
+        String key = System.getProperty("properties.encryption.key");
+        if (key == null) {
+            try {
+                byte[] byteKey = KeySources.file("properties.encryption.key").getKey();
+                key = new String(byteKey, EncodingUtils.ENCODING);
+            } catch (Exception ex) {
+                ExceptionHandler.process(ex);
+            }
+        }
+        crypto = new CryptoHelper(key);
     }
 
     public String getProperty(String key) {