Program: 103203
Project: 103203
Buggy source:
/** 
 * Indicates that the security is turned on. <p> Sets the secured status icon to the status panel and initializes/updates the corresponding security details.
 * @param evt Details about the event that caused this message.
 */
public void securityOn(CallPeerSecurityOnEvent evt){
  if (evt == null) {
    securityStatusLabel.setSecurityOn();
    return;
  }
  SrtpControl srtpControl=evt.getSecurityController();
  if ((srtpControl.requiresSecureSignalingTransport() && callPeer.getProtocolProvider().isSignalingTransportSecure()) || !srtpControl.requiresSecureSignalingTransport()) {
    if (srtpControl instanceof ZrtpControl) {
      securityStatusLabel.setText("String_Node_Str");
      if (!((ZrtpControl)srtpControl).isSecurityVerified())       securityStatusLabel.setSecurityPending();
 else       securityStatusLabel.setSecurityOn();
    }
 else     securityStatusLabel.setSecurityOn();
  }
  if (!srtpControl.getClass().isInstance(securityPanel.getSecurityControl()) || (securityPanel instanceof ParanoiaTimerSecurityPanel)) {
    setSecurityPanelVisible(false);
    securityPanel=SecurityPanel.create(this,callPeer,srtpControl);
    if (srtpControl instanceof ZrtpControl)     ((ZrtpSecurityPanel)securityPanel).setSecurityStatusLabel(securityStatusLabel);
  }
  securityPanel.securityOn(evt);
  boolean isSecurityLowPriority=Boolean.parseBoolean(GuiActivator.getResources().getSettingsString("String_Node_Str"));
  if (srtpControl instanceof ZrtpControl && !isSecurityLowPriority && (!((ZrtpControl)srtpControl).isSecurityVerified() || ((ZrtpSecurityPanel)securityPanel).isZidAorMismatch()))   setSecurityPanelVisible(true);
}

Fixed version (ground truth):
/** 
 * Indicates that the security is turned on. <p> Sets the secured status icon to the status panel and initializes/updates the corresponding security details.
 * @param evt Details about the event that caused this message.
 */
public void securityOn(CallPeerSecurityOnEvent evt){
  if (evt == null) {
    securityStatusLabel.setSecurityOn();
    return;
  }
  SrtpControl srtpControl=evt.getSecurityController();
  if ((srtpControl.requiresSecureSignalingTransport() && callPeer.getProtocolProvider().isSignalingTransportSecure()) || !srtpControl.requiresSecureSignalingTransport()) {
    if (srtpControl instanceof ZrtpControl) {
      securityStatusLabel.setText("String_Node_Str");
      if (!((ZrtpControl)srtpControl).isSecurityVerified())       securityStatusLabel.setSecurityPending();
 else       securityStatusLabel.setSecurityOn();
    }
 else     securityStatusLabel.setSecurityOn();
  }
  if (!srtpControl.getClass().isInstance(securityPanel.getSecurityControl()) || (securityPanel instanceof ParanoiaTimerSecurityPanel)) {
    setSecurityPanelVisible(false);
    securityPanel=SecurityPanel.create(this,callPeer,srtpControl);
    if (srtpControl instanceof ZrtpControl)     ((ZrtpSecurityPanel)securityPanel).setSecurityStatusLabel(securityStatusLabel);
  }
  securityPanel.securityOn(evt);
  boolean isSecurityLowPriority=Boolean.parseBoolean(GuiActivator.getResources().getSettingsString("String_Node_Str"));
  if (srtpControl instanceof ZrtpControl && !isSecurityLowPriority && (!((ZrtpControl)srtpControl).isSecurityVerified() || ((ZrtpSecurityPanel)securityPanel).isZidAorMismatch())) {
    setSecurityPanelVisible(true);
  }
  this.revalidate();
}