title: Signed Java Applet access denied java.io.FilePermission read
body: <p>I created a java applet for e-signature . Applet runs normal and works perfectly while i am running on ide (intelliJ) . But when i deployed project to .jar file and tried to run on browser (firefox) i got some error saying that .jar is untrusted. Then i made some researches and signed my applet with jarsigner . I follewed these steps :</p>
  
  <hr>
  
  <ul>
  <li><p>keytool -genkey -keyalg rsa -alias MyCert</p></li>
  <li><p>keytool -certreq -alias MyCert</p></li>
  <li>jarsigner C:\TestApplet.jar MyCert</li>
  </ul>
  
  <p>also tried commands at oracle web site .<a href="http://docs.oracle.com/javase/7/docs/technotes/guides/jweb/security/rsa_signing.html" rel="nofollow">link here</a></p>
  
  <hr>
  
  <p>After i signed my applet error gone and i could run my applet. But when i <strong>try to sign a file i got an error saying that applet dont have permision to access cert store folder</strong>. Error is :</p>
  
  <p><strong>java.security.AccessControlException: access denied ("java.io.FilePermission" "C:\Users\ChooseClick.sertifikadeposu" "read")</strong></p>