Java tutorial
/******************************************************************************* * Copyright (c) 2009 Dominik Schadow - http://www.xml-sicherheit.de All rights reserved. This * program and the accompanying materials are made available under the terms of the Eclipse Public * License v1.0 which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: Dominik Schadow - initial API and implementation *******************************************************************************/ package org.jcryptool.crypto.xml.ui.sign; import java.io.File; import java.security.KeyPair; import java.security.NoSuchAlgorithmException; import java.security.cert.Certificate; import java.util.HashMap; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.wizard.IWizardPage; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.layout.FormAttachment; import org.eclipse.swt.layout.FormData; import org.eclipse.swt.layout.FormLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import org.jcryptool.core.util.directories.DirectoryService; import org.jcryptool.crypto.xml.core.cryptography.Keystore; import org.jcryptool.crypto.xml.core.sign.Signature; import org.jcryptool.crypto.xml.core.utils.IAlgorithms; import org.jcryptool.crypto.xml.core.utils.IGlobals; import org.jcryptool.crypto.xml.core.utils.Utils; import org.jcryptool.crypto.xml.ui.XSTUIPlugin; import org.jcryptool.crypto.xml.ui.utils.IContextHelpIds; /** * <p> * Third alternative page of the <b>XML Signature Wizard</b>. Lets the user create a new <i>Key</i> * and inserts the generated key in a new <i>Java KeyStore</i> (type <i>JCEKS</i>). The created key * is automatically used to create this XML Signature. * </p> * * @author Dominik Schadow * @version 0.5.0 */ public class PageCreateKeystore extends WizardPage implements Listener { /** Wizard page name. */ public static final String PAGE_NAME = "SignPageCreateKeystore"; //$NON-NLS-1$ /** Keystore. */ private String keystorePath; /** Keystore name. */ private String keystoreName; /** Keystore and key generation successful. */ private boolean generated = false; /** Generate button. */ private Button bGenerate = null; /** Button <i>Echo Keystore Password</i>. */ private Button bEchoKeystorePassword = null; /** Button <i>Echo Key Password</i>. */ private Button bEchoKeyPassword = null; /** Drop down box <i>Key Algorithm</i>. */ private Combo cKeyAlgorithm = null; /** Key preview label. */ private Label lPreview = null; /** Key generation result label. */ private Label lResult = null; /** Common Name information. */ private Text tCommonName = null; /** Organizational Unit information. */ private Text tOrganizationalUnit = null; /** Organization information. */ private Text tOrganization = null; /** Location information. */ private Text tLocation = null; /** State information. */ private Text tState = null; /** Country information. */ private Text tCountry = null; /** Keystore name. */ private Text tKeystoreName = null; /** Keystore password. */ private Text tKeystorePassword = null; /** Key name. */ private Text tKeyName = null; /** Key password. */ private Text tKeyPassword = null; /** Default label width. */ private static final int LABELWIDTH = 160; /** Default preview textfield height. */ private static final int TEXTHEIGHT = 40; /** Model for the XML Signature Wizard. */ private Signature signature = null; /** The Keystore containing all required key information. */ private Keystore keystore = null; /** * Constructor for PageCreateKeystore. * * @param signature The signature wizard model */ public PageCreateKeystore(final Signature signature) { super(PAGE_NAME); setTitle(Messages.signatureTitle); setDescription(Messages.createKeystoreDescription); this.signature = signature; } /** * Creates the wizard page with the layout settings. * * @param parent Parent composite */ public void createControl(final Composite parent) { Composite container = new Composite(parent, SWT.NULL); FormLayout formLayout = new FormLayout(); container.setLayout(formLayout); createPageContent(container); addListeners(); setControl(container); setPageComplete(false); PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IContextHelpIds.WIZARD_SIGNATURE_CREATE_KEYSTORE); } /** * Fills this wizard page with content. Three groups (<i>Certificate</i>, <i>Key</i> and * <i>Keystore</i>) and all their widgets are inserted. * * @param parent Parent composite */ private void createPageContent(final Composite parent) { FormLayout layout = new FormLayout(); layout.marginTop = IGlobals.MARGIN / 2; layout.marginBottom = IGlobals.MARGIN / 2; layout.marginLeft = IGlobals.MARGIN / 2; layout.marginRight = IGlobals.MARGIN / 2; parent.setLayout(layout); // Three groups Group gCertificate = new Group(parent, SWT.SHADOW_ETCHED_IN); gCertificate.setLayout(layout); gCertificate.setText(Messages.certificate); FormData data = new FormData(); data.top = new FormAttachment(0, 0); data.left = new FormAttachment(0, 0); data.right = new FormAttachment(IGlobals.GROUP_NUMERATOR); gCertificate.setLayoutData(data); Group gKey = new Group(parent, SWT.SHADOW_ETCHED_IN); gKey.setLayout(layout); gKey.setText(Messages.key); data = new FormData(); data.top = new FormAttachment(gCertificate, IGlobals.MARGIN, SWT.DEFAULT); data.left = new FormAttachment(0, 0); data.right = new FormAttachment(IGlobals.GROUP_NUMERATOR); gKey.setLayoutData(data); Group gKeystore = new Group(parent, SWT.SHADOW_ETCHED_IN); gKeystore.setLayout(layout); gKeystore.setText(Messages.keystore); data = new FormData(); data.top = new FormAttachment(gKey, IGlobals.MARGIN, SWT.DEFAULT); data.left = new FormAttachment(0, 0); data.right = new FormAttachment(IGlobals.GROUP_NUMERATOR); gKeystore.setLayoutData(data); // Elements for group "Certificate" Label lCommonName = new Label(gCertificate, SWT.SHADOW_IN); lCommonName.setText(Messages.commonName); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(gCertificate); data.left = new FormAttachment(gCertificate); lCommonName.setLayoutData(data); tCommonName = new Text(gCertificate, SWT.SINGLE); tCommonName.setTextLimit(IGlobals.KEY_DATA_LIMIT); data = new FormData(); data.width = IGlobals.MEDIUM_TEXT_WIDTH; data.top = new FormAttachment(lCommonName, 0, SWT.CENTER); data.left = new FormAttachment(lCommonName); tCommonName.setLayoutData(data); Label lOrganizationalUnit = new Label(gCertificate, SWT.SHADOW_IN); lOrganizationalUnit.setText(Messages.organizationalUnit); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(lCommonName, IGlobals.MARGIN); data.left = new FormAttachment(gCertificate); lOrganizationalUnit.setLayoutData(data); tOrganizationalUnit = new Text(gCertificate, SWT.SINGLE); tOrganizationalUnit.setTextLimit(IGlobals.KEY_DATA_LIMIT); data = new FormData(); data.width = IGlobals.MEDIUM_TEXT_WIDTH; data.top = new FormAttachment(lOrganizationalUnit, 0, SWT.CENTER); data.left = new FormAttachment(lOrganizationalUnit); tOrganizationalUnit.setLayoutData(data); Label lOrganization = new Label(gCertificate, SWT.SHADOW_IN); lOrganization.setText(Messages.organization); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(lOrganizationalUnit, IGlobals.MARGIN); data.left = new FormAttachment(gCertificate); lOrganization.setLayoutData(data); tOrganization = new Text(gCertificate, SWT.SINGLE); tOrganization.setTextLimit(IGlobals.KEY_DATA_LIMIT); data = new FormData(); data.width = IGlobals.MEDIUM_TEXT_WIDTH; data.top = new FormAttachment(lOrganization, 0, SWT.CENTER); data.left = new FormAttachment(lOrganization); tOrganization.setLayoutData(data); Label lLocation = new Label(gCertificate, SWT.SHADOW_IN); lLocation.setText(Messages.location); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(lOrganization, IGlobals.MARGIN); data.left = new FormAttachment(gCertificate); lLocation.setLayoutData(data); tLocation = new Text(gCertificate, SWT.SINGLE); tLocation.setTextLimit(IGlobals.KEY_DATA_LIMIT); data = new FormData(); data.width = IGlobals.MEDIUM_TEXT_WIDTH; data.top = new FormAttachment(lLocation, 0, SWT.CENTER); data.left = new FormAttachment(lLocation); tLocation.setLayoutData(data); Label lState = new Label(gCertificate, SWT.SHADOW_IN); lState.setText(Messages.state); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(lLocation, IGlobals.MARGIN); data.left = new FormAttachment(gCertificate); lState.setLayoutData(data); tState = new Text(gCertificate, SWT.SINGLE); tState.setTextLimit(IGlobals.KEY_DATA_LIMIT); data = new FormData(); data.width = IGlobals.MEDIUM_TEXT_WIDTH; data.top = new FormAttachment(lState, 0, SWT.CENTER); data.left = new FormAttachment(lState); tState.setLayoutData(data); Label lCountry = new Label(gCertificate, SWT.SHADOW_IN); lCountry.setText(Messages.country); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(lState, IGlobals.MARGIN); data.left = new FormAttachment(gCertificate); lCountry.setLayoutData(data); tCountry = new Text(gCertificate, SWT.SINGLE); tCountry.setTextLimit(IGlobals.KEY_DATA_LIMIT); data = new FormData(); data.width = IGlobals.MEDIUM_TEXT_WIDTH; data.top = new FormAttachment(lCountry, 0, SWT.CENTER); data.left = new FormAttachment(lCountry); tCountry.setLayoutData(data); lPreview = new Label(gCertificate, SWT.WRAP); data = new FormData(); data.height = TEXTHEIGHT; data.top = new FormAttachment(lCountry, IGlobals.MARGIN); data.left = new FormAttachment(gCertificate); data.right = new FormAttachment(IGlobals.GROUP_NUMERATOR); lPreview.setLayoutData(data); // Elements for group "Key" Label lKeyName = new Label(gKey, SWT.SHADOW_IN); lKeyName.setText(Messages.name); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(gKey); data.left = new FormAttachment(gKey); lKeyName.setLayoutData(data); tKeyName = new Text(gKey, SWT.SINGLE); tKeyName.setTextLimit(IGlobals.KEY_NAME_MAX_SIZE); data = new FormData(); data.width = IGlobals.SHORT_TEXT_WIDTH; data.top = new FormAttachment(lKeyName, 0, SWT.CENTER); data.left = new FormAttachment(lKeyName); tKeyName.setLayoutData(data); Label lKeyPassword = new Label(gKey, SWT.SHADOW_IN); lKeyPassword.setText(Messages.password); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(lKeyName, IGlobals.MARGIN); data.left = new FormAttachment(gKey); lKeyPassword.setLayoutData(data); tKeyPassword = new Text(gKey, SWT.SINGLE); tKeyPassword.setTextLimit(IGlobals.KEY_PASSWORD_MAX_SIZE); data = new FormData(); data.width = IGlobals.SHORT_TEXT_WIDTH; data.top = new FormAttachment(lKeyPassword, 0, SWT.CENTER); data.left = new FormAttachment(lKeyPassword); tKeyPassword.setEchoChar('*'); tKeyPassword.setLayoutData(data); Label lKeyAlgorithm = new Label(gKey, SWT.SHADOW_IN); lKeyAlgorithm.setText(Messages.keyAlgorithm); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(lKeyPassword, IGlobals.MARGIN); data.left = new FormAttachment(gKey); lKeyAlgorithm.setLayoutData(data); cKeyAlgorithm = new Combo(gKey, SWT.READ_ONLY); data = new FormData(); data.top = new FormAttachment(lKeyAlgorithm, 0, SWT.CENTER); data.left = new FormAttachment(lKeyAlgorithm); data.width = IGlobals.COMBO_WIDTH; cKeyAlgorithm.setLayoutData(data); bEchoKeyPassword = new Button(gKey, SWT.PUSH); bEchoKeyPassword.setImage(XSTUIPlugin.getDefault().getImageRegistry().get("echo_password")); data = new FormData(); data.top = new FormAttachment(tKeyPassword, 0, SWT.CENTER); data.left = new FormAttachment(tKeyPassword, IGlobals.MARGIN); bEchoKeyPassword.setLayoutData(data); // Elements for group "Keystore" Label lKeystoreName = new Label(gKeystore, SWT.SHADOW_IN); lKeystoreName.setText(Messages.name); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(gKeystore); data.left = new FormAttachment(gKeystore); lKeystoreName.setLayoutData(data); tKeystoreName = new Text(gKeystore, SWT.SINGLE); data = new FormData(); data.width = IGlobals.SHORT_TEXT_WIDTH; data.top = new FormAttachment(lKeystoreName, 0, SWT.CENTER); data.left = new FormAttachment(lKeystoreName); tKeystoreName.setLayoutData(data); Label lKeystorePassword = new Label(gKeystore, SWT.SHADOW_IN); lKeystorePassword.setText(Messages.password); data = new FormData(); data.width = LABELWIDTH; data.top = new FormAttachment(lKeystoreName, IGlobals.MARGIN); data.left = new FormAttachment(gKeystore); lKeystorePassword.setLayoutData(data); tKeystorePassword = new Text(gKeystore, SWT.SINGLE); tKeystorePassword.setTextLimit(IGlobals.KEYSTORE_PASSWORD_MAX_SIZE); data = new FormData(); data.width = IGlobals.SHORT_TEXT_WIDTH; data.top = new FormAttachment(lKeystorePassword, 0, SWT.CENTER); data.left = new FormAttachment(lKeystorePassword); tKeystorePassword.setEchoChar('*'); tKeystorePassword.setLayoutData(data); bEchoKeystorePassword = new Button(gKeystore, SWT.PUSH); bEchoKeystorePassword.setImage(XSTUIPlugin.getDefault().getImageRegistry().get("echo_password")); data = new FormData(); data.top = new FormAttachment(tKeystorePassword, 0, SWT.CENTER); data.left = new FormAttachment(tKeystorePassword, IGlobals.MARGIN); bEchoKeystorePassword.setLayoutData(data); bGenerate = new Button(gKeystore, SWT.PUSH); bGenerate.setText(Messages.generate); bGenerate.setEnabled(false); data = new FormData(); data.top = new FormAttachment(lKeystorePassword, IGlobals.MARGIN * 2); data.left = new FormAttachment(gKeystore); bGenerate.setLayoutData(data); lResult = new Label(gKeystore, SWT.WRAP); data = new FormData(); data.height = TEXTHEIGHT; data.top = new FormAttachment(bGenerate, IGlobals.MARGIN * 2); data.left = new FormAttachment(gKeystore); data.right = new FormAttachment(IGlobals.GROUP_NUMERATOR); lResult.setLayoutData(data); } /** * Adds all listeners for the current wizard page. */ private void addListeners() { bGenerate.addListener(SWT.MouseDown, this); bEchoKeystorePassword.addListener(SWT.Selection, this); bEchoKeyPassword.addListener(SWT.Selection, this); tCommonName.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); tOrganizationalUnit.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); tOrganization.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); tLocation.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); tState.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); tCountry.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); tKeyName.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); tKeyPassword.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); cKeyAlgorithm.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); tKeystoreName.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); tKeystorePassword.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { dialogChanged(); } }); } /** * Determines the (error) message for the missing field. */ private void dialogChanged() { if (tCommonName.getText().length() > 0) { lPreview.setText("CN=" + tCommonName.getText()); //$NON-NLS-1$ } else { lPreview.setText(""); //$NON-NLS-1$ updateStatus(Messages.enterCommonName, IMessageProvider.INFORMATION); return; } if (tOrganizationalUnit.getText().length() > 0) { lPreview.setText("CN=" + tCommonName.getText() //$NON-NLS-1$ + ", OU=" + tOrganizationalUnit.getText()); //$NON-NLS-2$ } if (tOrganization.getText().length() > 0) { lPreview.setText("CN=" + tCommonName.getText() //$NON-NLS-1$ + ", OU=" + tOrganizationalUnit.getText() //$NON-NLS-2$ + ", O=" + tOrganization.getText()); //$NON-NLS-1$ } if (tLocation.getText().length() > 0) { lPreview.setText("CN=" + tCommonName.getText() //$NON-NLS-1$ + ", OU=" + tOrganizationalUnit.getText() //$NON-NLS-2$ + ", O=" + tOrganization.getText() //$NON-NLS-1$ + ", L=" + tLocation.getText()); //$NON-NLS-2$ } if (tState.getText().length() > 0) { lPreview.setText("CN=" + tCommonName.getText() //$NON-NLS-1$ + ", OU=" + tOrganizationalUnit.getText() //$NON-NLS-1$ + ", O=" + tOrganization.getText() //$NON-NLS-1$ + ", L=" + tLocation.getText() //$NON-NLS-1$ + ", ST=" + tState.getText()); //$NON-NLS-1$ } if (tCountry.getText().length() > 0) { lPreview.setText("CN=" + tCommonName.getText() //$NON-NLS-1$ + ", OU=" + tOrganizationalUnit.getText() //$NON-NLS-1$ + ", O=" + tOrganization.getText() //$NON-NLS-1$ + ", L=" + tLocation.getText() //$NON-NLS-1$ + ", ST=" + tState.getText() //$NON-NLS-1$ + ", C=" + tCountry.getText()); //$NON-NLS-1$ } if (tKeyName.getText().length() < IGlobals.KEY_NAME_MIN_SIZE) { updateStatus(Messages.enterNewKeyName, IMessageProvider.INFORMATION); return; } if (tKeyPassword.getText().length() < IGlobals.KEY_PASSWORD_MIN_SIZE) { updateStatus(Messages.enterNewKeyPassword, IMessageProvider.INFORMATION); return; } if (cKeyAlgorithm.getSelectionIndex() < 0) { updateStatus(Messages.selectKeyAlgorithm, IMessageProvider.INFORMATION); return; } if (tKeystoreName.getText().length() > 0) { keystoreName = tKeystoreName.getText() + ".jks"; //$NON-NLS-1$ keystorePath = DirectoryService.getUserHomeDir() + System.getProperty("file.separator") + keystoreName; //$NON-NLS-1$ File tempFile = new File(keystorePath); if (tempFile.exists()) { updateStatus(Messages.keystoreAlreadyExists, IMessageProvider.ERROR); return; } } else { updateStatus(Messages.enterNewKeystoreName, IMessageProvider.INFORMATION); return; } if (tKeystorePassword.getText().length() < IGlobals.KEYSTORE_PASSWORD_MIN_SIZE) { updateStatus(Messages.enterNewKeystorePassword, IMessageProvider.INFORMATION); return; } updateStatus(null, IMessageProvider.NONE); } /** * Shows a message to the user to complete the fields on this page. * * @param message The message for the user * @param status The status type of the message */ private void updateStatus(final String message, final int status) { setMessage(message, status); if (!generated && message == null) { bGenerate.setEnabled(true); } else { bGenerate.setEnabled(false); } setPageComplete(generated); } /** * Handles the events from this wizard page. * * @param e The triggered event */ public void handleEvent(final Event e) { if (e.widget == bGenerate) { createKeystore(); updateStatus(null, IMessageProvider.NONE); } else if (e.widget == bEchoKeystorePassword || e.widget == bEchoKeyPassword) { echoPassword(e); } } /** * Shows plain text (\0) or cipher text (*) in the password field. * * @param e The triggered event */ private void echoPassword(final Event e) { if (e.widget == bEchoKeystorePassword) { if (tKeystorePassword.getEchoChar() == '*') { tKeystorePassword.setEchoChar('\0'); } else { tKeystorePassword.setEchoChar('*'); } tKeystorePassword.redraw(); } else if (e.widget == bEchoKeyPassword) { if (tKeyPassword.getEchoChar() == '*') { tKeyPassword.setEchoChar('\0'); } else { tKeyPassword.setEchoChar('*'); } tKeyPassword.redraw(); } } /** * Generates the keystore and the key/certificate based on the entered data and shows the user * an information text about the result. */ private void createKeystore() { HashMap<String, String> certificateData = new HashMap<String, String>(); certificateData.put("CN", tCommonName.getText()); //$NON-NLS-1$ certificateData.put("OU", tOrganizationalUnit.getText()); //$NON-NLS-1$ certificateData.put("O", tOrganization.getText()); //$NON-NLS-1$ certificateData.put("L", tLocation.getText()); //$NON-NLS-1$ certificateData.put("ST", tState.getText()); //$NON-NLS-1$ certificateData.put("C", tCountry.getText()); //$NON-NLS-1$ try { keystore = new Keystore(keystorePath, tKeystorePassword.getText(), IGlobals.KEYSTORE_TYPE); keystore.store(); keystore.load(); KeyPair kp = keystore.generateKeyPair(cKeyAlgorithm.getText(), 512); // X500Principal subjectDN = Principal.generatePrincipal(certificateData); Certificate[] certs = new Certificate[1]; // certs[0] = new XmlSecurityCertificate(kp.getPublic(), subjectDN); generated = keystore.insertPrivateKey(tKeyName.getText(), tKeyPassword.getText().toCharArray(), kp.getPrivate(), certs); keystore.store(); } catch (NoSuchAlgorithmException ex) { generated = false; lResult.setText(Messages.keyGenerationFailed); } catch (Exception ex) { Utils.logError(ex, "Signature keystore generation failed"); //$NON-NLS-1$ generated = false; lResult.setText(Messages.keystoreGenerationFailed); } if (generated) { lResult.setText(NLS.bind(Messages.keystoreGenerated, new Object[] { keystoreName, DirectoryService.getUserHomeDir() })); updateStatus(null, IMessageProvider.NONE); } } /** * Called on enter of the page to fill the certificate type combo box based on the Basic * Security Profile selection on the first wizard page. Preselects a default value in the combo * box. */ public void onEnterPage() { if (signature.getBsp()) { // BSP selected cKeyAlgorithm.setItems(IAlgorithms.SIGNATURE_KEY_ALGORITHMS_BSP); cKeyAlgorithm.select(0); } else { // BSP not selected cKeyAlgorithm.setItems(IAlgorithms.SIGNATURE_KEY_ALGORITHMS); cKeyAlgorithm.select(0); } setMessage(null); } /** * Returns the next wizard page after all the necessary data is entered correctly. * * @return IWizardPage The next wizard page */ public IWizardPage getNextPage() { saveDataToModel(); PageAlgorithms page = ((NewSignatureWizard) getWizard()).getPageAlgorithms(); page.onEnterPage(); return page; } /** * Saves the selections on this wizard page to the model. Called on exit of the page. */ private void saveDataToModel() { signature.setKeystore(keystore); signature.setKeystorePassword(tKeystorePassword.getText().toCharArray()); signature.setKeyPassword(tKeyPassword.getText().toCharArray()); signature.setKeyName(tKeyName.getText()); if (cKeyAlgorithm.getText().equals("DSA")) { signature.setKeyAlgorithm("SHA1withDSA"); } else if (cKeyAlgorithm.getText().equals("EC")) { signature.setKeyAlgorithm("SHA1withECDSA"); } else if (cKeyAlgorithm.getText().equals("RSA")) { signature.setKeyAlgorithm("SHA1withRSA"); } } }