SecuritySettings: use Credentials instead of CertTool.

Also remove unused classes which will be replaced by CertInstaller.

1 files changed, 127 insertions, 426 deletions

diff --git a/src/com/android/settings/SecuritySettings.java b/src/com/android/settings/SecuritySettings.java
index 24b89b1..3d7a765 100644
--- a/src/com/android/settings/SecuritySettings.java
+++ b/src/com/android/settings/SecuritySettings.java
@@ -38,8 +38,8 @@ import android.preference.PreferenceCategory;
 import android.preference.PreferenceGroup;
 import android.preference.PreferenceScreen;
 import android.provider.Settings;
-import android.security.CertTool;
-import android.security.Keystore;
+import android.security.Credentials;
+import android.security.KeyStore;
 import android.text.Html;
 import android.text.TextUtils;
 import android.text.method.LinkMovementMethod;
@@ -87,17 +87,12 @@ public class SecuritySettings extends PreferenceActivity implements
     private static final String ASSISTED_GPS = "assisted_gps";
 
     // Credential storage
-    private static final String KEY_CSTOR_TYPE_NAME = "typeName";
-    private static final String KEY_CSTOR_ITEM = "item";
-    private static final String KEY_CSTOR_NAMESPACE = "namespace";
-    private static final String KEY_CSTOR_DESCRIPTION = "description";
     private static final int CSTOR_MIN_PASSWORD_LENGTH = 8;
 
     private static final int CSTOR_INIT_DIALOG = 1;
     private static final int CSTOR_CHANGE_PASSWORD_DIALOG = 2;
     private static final int CSTOR_UNLOCK_DIALOG = 3;
     private static final int CSTOR_RESET_DIALOG = 4;
-    private static final int CSTOR_NAME_CREDENTIAL_DIALOG = 5;
 
     private CstorHelper mCstorHelper = new CstorHelper();
 
@@ -162,7 +157,7 @@ public class SecuritySettings extends PreferenceActivity implements
             showUseLocationDialog(true);
         }
 
-        mCstorHelper.handleCstorIntents(getIntent());
+        mCstorHelper.handleIntent(getIntent());
     }
 
     private PreferenceScreen createPreferenceHierarchy() {
@@ -236,10 +231,7 @@ public class SecuritySettings extends PreferenceActivity implements
         PreferenceCategory credStoreCat = new PreferenceCategory(this);
         credStoreCat.setTitle(R.string.cstor_settings_category);
         root.addPreference(credStoreCat);
-        credStoreCat.addPreference(mCstorHelper.createAccessCheckBox());
-        credStoreCat.addPreference(mCstorHelper.createCertInstallPreference());
-        credStoreCat.addPreference(mCstorHelper.createSetPasswordPreference());
-        credStoreCat.addPreference(mCstorHelper.createResetPreference());
+        mCstorHelper.createPreferences(credStoreCat);
 
         return root;
     }
@@ -262,11 +254,8 @@ public class SecuritySettings extends PreferenceActivity implements
                 R.string.lockpattern_settings_choose_lock_pattern;
         mChoosePattern.setTitle(chooseStringRes);
 
-        mShowPassword
-                .setChecked(Settings.System.getInt(getContentResolver(),
+        mShowPassword.setChecked(Settings.System.getInt(getContentResolver(),
                 Settings.System.TEXT_SHOW_PASSWORD, 1) != 0);
-
-        mCstorHelper.resumeStates();
     }
 
     @Override
@@ -380,7 +369,6 @@ public class SecuritySettings extends PreferenceActivity implements
                 Settings.Secure.USE_LOCATION_FOR_SERVICES, use ? 1 : 0);
     }
 
-
     /**
      * For the user to disable keyguard, we first make them verify their
      * existing pattern.
@@ -447,7 +435,7 @@ public class SecuritySettings extends PreferenceActivity implements
     }
 
     @Override
-    protected Dialog onCreateDialog (int id) {
+    protected Dialog onCreateDialog(int id) {
         switch (id) {
             case CSTOR_INIT_DIALOG:
             case CSTOR_CHANGE_PASSWORD_DIALOG:
@@ -459,9 +447,6 @@ public class SecuritySettings extends PreferenceActivity implements
             case CSTOR_RESET_DIALOG:
                 return mCstorHelper.createResetDialog();
 
-            case CSTOR_NAME_CREDENTIAL_DIALOG:
-                return mCstorHelper.createNameCredentialDialog();
-
             default:
                 return null;
         }
@@ -485,270 +470,151 @@ public class SecuritySettings extends PreferenceActivity implements
     }
 
     private class CstorHelper implements DialogInterface.OnClickListener,
-            DialogInterface.OnDismissListener,
-            DialogInterface.OnCancelListener {
-        private Keystore mKeystore = Keystore.getInstance();
+            DialogInterface.OnDismissListener {
+        private KeyStore mKeyStore = KeyStore.getInstance();
+        private int mState;
+
         private View mView;
         private int mDialogId;
-        private boolean mConfirm = true;
-
+        private boolean mRetry = false;
         private CheckBoxPreference mAccessCheckBox;
         private Preference mResetButton;
 
-        private Intent mSpecialIntent;
-        private CstorAddCredentialHelper mCstorAddCredentialHelper;
+        private Intent mExternalIntent;
 
-        void handleCstorIntents(Intent intent) {
+        CstorHelper() {
+            mState = mKeyStore.test();
+        }
+
+        void handleIntent(Intent intent) {
             if (intent == null) return;
             String action = intent.getAction();
 
-            if (CertTool.ACTION_ADD_CREDENTIAL.equals(action)) {
-                mCstorAddCredentialHelper =
-                        new CstorAddCredentialHelper(intent);
-                showCstorDialog(CSTOR_NAME_CREDENTIAL_DIALOG);
-            } else if (Keystore.ACTION_UNLOCK_CREDENTIAL_STORAGE.equals(
-                    action)) {
-                mSpecialIntent = intent;
-                showCstorDialog(mCstorHelper.isCstorInitialized()
-                        ? CSTOR_UNLOCK_DIALOG
-                        : CSTOR_INIT_DIALOG);
+            if (Credentials.UNLOCK_ACTION.equals(action)) {
+                mExternalIntent = intent;
+                showCstorDialog(mState == KeyStore.UNINITIALIZED
+                        ? CSTOR_INIT_DIALOG : CSTOR_UNLOCK_DIALOG);
+            } else if (Credentials.SYSTEM_INSTALL_ACTION.equals(action)) {
+                mExternalIntent = intent;
+                // TODO: unlock and install.
             }
         }
 
-        void resumeStates() {
-            int state = mCstorHelper.getCstorState();
-            mAccessCheckBox.setEnabled(state != Keystore.UNINITIALIZED);
-            mAccessCheckBox.setChecked(state == Keystore.UNLOCKED);
-            mResetButton.setEnabled(state != Keystore.UNINITIALIZED);
-        }
+        private void updatePreferences(int state) {
+            mAccessCheckBox.setEnabled(state != KeyStore.UNINITIALIZED);
+            mAccessCheckBox.setChecked(state == KeyStore.NO_ERROR);
+            mResetButton.setEnabled(state != KeyStore.UNINITIALIZED);
 
-        private void showCstorDialog(int dialogId) {
-            mDialogId = dialogId;
-            showDialog(dialogId);
-
-            if (dialogId == CSTOR_NAME_CREDENTIAL_DIALOG) {
-                // set mView back as mView may be replaced by CSTOR_INIT_DIALOG
-                // or CSTOR_UNLOCK_DIALOG
-                mView = mCstorAddCredentialHelper.mView;
+            // Show a toast message if the state is changed.
+            if (mState == state) return;
+            if (state == KeyStore.NO_ERROR) {
+                Toast.makeText(SecuritySettings.this, R.string.cstor_is_enabled,
+                        Toast.LENGTH_SHORT).show();
+            } else if (state == KeyStore.UNINITIALIZED) {
+                Toast.makeText(SecuritySettings.this, R.string.cstor_is_reset,
+                        Toast.LENGTH_LONG).show();
             }
-        }
-
-        private int getCstorState() {
-            return mKeystore.getState();
-        }
-
-        private boolean isCstorUnlocked() {
-            return (mKeystore.getState() == Keystore.UNLOCKED);
-        }
-
-        private boolean isCstorInitialized() {
-            return (mKeystore.getState() != Keystore.UNINITIALIZED);
+            // TODO: disabled?
+            mState = state;
         }
 
         private void lockCstor() {
-            mKeystore.lock();
-            mAccessCheckBox.setChecked(false);
+            mKeyStore.lock();
+            updatePreferences(KeyStore.LOCKED);
         }
 
         private int unlockCstor(String passwd) {
-            int ret = mKeystore.unlock(passwd);
-            if (ret == -1) resetCstor();
-            if (ret == 0) {
-                Toast.makeText(SecuritySettings.this, R.string.cstor_is_enabled,
-                        Toast.LENGTH_SHORT).show();
-            }
-            return ret;
+            mKeyStore.unlock(passwd);
+            return mKeyStore.getLastError();
         }
 
         private int changeCstorPassword(String oldPasswd, String newPasswd) {
-            int ret = mKeystore.changePassword(oldPasswd, newPasswd);
-            if (ret == -1) resetCstor();
-            return ret;
+            mKeyStore.password(oldPasswd, newPasswd);
+            return mKeyStore.getLastError();
         }
 
         private void initCstor(String passwd) {
-            mKeystore.setPassword(passwd);
-            enablePreferences(true);
-            mAccessCheckBox.setChecked(true);
-            Toast.makeText(SecuritySettings.this, R.string.cstor_is_enabled,
-                    Toast.LENGTH_SHORT).show();
+            mKeyStore.password(passwd);
+            updatePreferences(KeyStore.NO_ERROR);
         }
 
         private void resetCstor() {
-            mKeystore.reset();
-            enablePreferences(false);
-            mAccessCheckBox.setChecked(false);
-            Toast.makeText(SecuritySettings.this, R.string.cstor_is_reset,
-                    Toast.LENGTH_LONG).show();
-        }
-
-        private boolean addCredential() {
-            if (mCstorAddCredentialHelper.saveToStorage() != 0) {
-                // set mView back as mView may be replaced by CSTOR_INIT_DIALOG
-                // or CSTOR_UNLOCK_DIALOG
-                mView = mCstorAddCredentialHelper.mView;
-                if (mCstorAddCredentialHelper.isPkcs12Keystore()) {
-                    showError(R.string.cstor_password_error);
-                } else {
-                    showError(R.string.cstor_storage_error);
-                }
-                Log.d("CSTOR", "failed to add credential");
-                return false;
-            }
-            Log.d("CSTOR", "credential is added: "
-                    + mCstorAddCredentialHelper.getName());
-            String formatString =
-                    getString(R.string.cstor_is_added);
-            String message = String.format(formatString,
-                    mCstorAddCredentialHelper.getName());
-            Toast.makeText(SecuritySettings.this, message,
-                    Toast.LENGTH_LONG).show();
-            return true;
+            mKeyStore.reset();
+            updatePreferences(KeyStore.UNINITIALIZED);
         }
 
-        public void onCancel(DialogInterface dialog) {
-            if (mCstorAddCredentialHelper == null) return;
-
-            switch (mDialogId) {
-                case CSTOR_INIT_DIALOG:
-                case CSTOR_UNLOCK_DIALOG:
-                    Toast.makeText(SecuritySettings.this,
-                            R.string.cstor_unable_to_save_cert,
-                            Toast.LENGTH_LONG).show();
-                    break;
-
-                case CSTOR_NAME_CREDENTIAL_DIALOG:
-                    Toast.makeText(SecuritySettings.this,
-                            R.string.cstor_cert_not_saved,
-                            Toast.LENGTH_LONG).show();
-                    break;
-            }
-            mCstorAddCredentialHelper = null;
-            finish();
+        private void showCstorDialog(int dialogId) {
+            mDialogId = dialogId;
+            showDialog(dialogId);
         }
 
         public void onClick(DialogInterface dialog, int which) {
-            if (which == DialogInterface.BUTTON_NEGATIVE) {
-                onCancel(dialog);
-                return;
-            }
+            if (which == DialogInterface.BUTTON_NEGATIVE) return;
 
             switch (mDialogId) {
                 case CSTOR_INIT_DIALOG:
                 case CSTOR_CHANGE_PASSWORD_DIALOG:
-                    mConfirm = checkPasswords((Dialog) dialog);
+                    mRetry = !checkPasswords((Dialog) dialog);
                     break;
 
                 case CSTOR_UNLOCK_DIALOG:
-                    mConfirm = checkUnlockPassword((Dialog) dialog);
+                    mRetry = !checkPassword((Dialog) dialog);
                     break;
 
                 case CSTOR_RESET_DIALOG:
                     resetCstor();
                     break;
-
-                case CSTOR_NAME_CREDENTIAL_DIALOG:
-                    mConfirm = checkAddCredential();
-                    break;
             }
         }
 
         public void onDismiss(DialogInterface dialog) {
-            if (!mConfirm) {
-                mConfirm = true;
+            if (mRetry) {
                 showCstorDialog(mDialogId);
             } else {
-                if (mDialogId == CSTOR_UNLOCK_DIALOG) {
-                    mAccessCheckBox.setChecked(isCstorUnlocked());
-                }
+                removeDialog(mDialogId);
 
-                if (mCstorAddCredentialHelper != null) {
-                    if (!isCstorInitialized()) {
-                        showCstorDialog(CSTOR_INIT_DIALOG);
-                    } else if (!isCstorUnlocked()) {
-                        showCstorDialog(CSTOR_UNLOCK_DIALOG);
+                if (mExternalIntent != null) {
+                    if (Credentials.SYSTEM_INSTALL_ACTION.equals(
+                                    mExternalIntent.getAction())) {
+                        // TODO: install if unlocked.
                     } else {
-                        if (addCredential()) {
-                            // succeeded
-                            finish();
-                        } else {
-                            // failed
-                            if (mDialogId != CSTOR_NAME_CREDENTIAL_DIALOG) {
-                                removeDialog(mDialogId);
-                            }
-                            showCstorDialog(CSTOR_NAME_CREDENTIAL_DIALOG);
-                        }
+                        finish();
                     }
-                    return;
-                } else if (mSpecialIntent != null) {
-                    finish();
                 }
-                removeDialog(mDialogId);
             }
         }
 
-        private void showResetWarning(int count) {
-            TextView v = showError(count <= 3
-                    ? R.string.cstor_password_error_reset_warning
-                    : R.string.cstor_password_error);
-            if (count <= 3) {
-                if (count == 1) {
-                    v.setText(R.string.cstor_password_error_reset_warning);
-                } else {
-                    String format = getString(
-                            R.string.cstor_password_error_reset_warning_plural);
-                    v.setText(String.format(format, count));
-                }
+        // returns false if there is no error.
+        private boolean checkError(int error) {
+            if (error == KeyStore.NO_ERROR) {
+                updatePreferences(KeyStore.NO_ERROR);
+                return false;
             }
-        }
-
-        private boolean checkAddCredential() {
-            hideError();
-
-            String name = getText(R.id.cstor_credential_name);
-            if (TextUtils.isEmpty(name)) {
-                showError(R.string.cstor_name_empty_error);
+            if (error == KeyStore.UNINITIALIZED) {
+                updatePreferences(KeyStore.UNINITIALIZED);
                 return false;
             }
-
-            for (int i = 0, len = name.length(); i < len; i++) {
-                if (!Character.isLetterOrDigit(name.charAt(i))) {
-                    showError(R.string.cstor_name_char_error);
-                    return false;
-                }
+            if (error < KeyStore.WRONG_PASSWORD) {
+                return false;
             }
-
-            mCstorAddCredentialHelper.setName(name);
-
-            if (mCstorAddCredentialHelper.isPkcs12Keystore()) {
-                String password = getText(R.id.cstor_credential_password);
-                if (TextUtils.isEmpty(password)) {
-                    showError(R.string.cstor_password_empty_error);
-                    return false;
-                }
-
-                mCstorAddCredentialHelper.setPassword(password);
+            int count = error - KeyStore.WRONG_PASSWORD + 1;
+            if (count > 3) {
+                showError(R.string.cstor_password_error);
+                return true;
             }
-
-            return true;
-        }
-
-        // returns true if the password is long enough and does not contain
-        // characters that we don't like
-        private boolean verifyPassword(String passwd) {
-            if (passwd == null) {
-                showError(R.string.cstor_passwords_empty_error);
-                return false;
-            } else if (passwd.length() < CSTOR_MIN_PASSWORD_LENGTH) {
-                showError(R.string.cstor_password_verification_error);
-                return false;
+            TextView v = showError(R.string.cstor_password_error_reset_warning);
+            if (count == 1) {
+                v.setText(R.string.cstor_password_error_reset_warning);
             } else {
-                return true;
+                String format = getString(
+                        R.string.cstor_password_error_reset_warning_plural);
+                v.setText(String.format(format, count));
             }
+            return true;
         }
 
-        // returns true if the password is ok
-        private boolean checkUnlockPassword(Dialog d) {
+        // returns true if the password is correct
+        private boolean checkPassword(Dialog d) {
             hideError();
 
             String passwd = getText(R.id.cstor_password);
@@ -757,17 +623,10 @@ public class SecuritySettings extends PreferenceActivity implements
                 return false;
             }
 
-            int count = unlockCstor(passwd);
-            if (count > 0) {
-                showResetWarning(count);
-                return false;
-            } else {
-                // done or reset
-                return true;
-            }
+            return !checkError(unlockCstor(passwd));
         }
 
-        // returns true if the passwords are ok
+        // returns true if the passwords are correct
         private boolean checkPasswords(Dialog d) {
             hideError();
 
@@ -778,39 +637,22 @@ public class SecuritySettings extends PreferenceActivity implements
             if ((mDialogId == CSTOR_CHANGE_PASSWORD_DIALOG)
                     && TextUtils.isEmpty(oldPasswd)) {
                 showError(R.string.cstor_password_empty_error);
-                return false;
-            }
-
-            if (TextUtils.isEmpty(newPasswd)
-                    && TextUtils.isEmpty(confirmPasswd)) {
+            } else if (TextUtils.isEmpty(newPasswd)
+                    || TextUtils.isEmpty(confirmPasswd)) {
                 showError(R.string.cstor_passwords_empty_error);
-                return false;
-            }
-
-            if (!verifyPassword(newPasswd)) {
-                return false;
+            } else if (newPasswd.length() < CSTOR_MIN_PASSWORD_LENGTH) {
+                showError(R.string.cstor_password_verification_error);
             } else if (!newPasswd.equals(confirmPasswd)) {
                 showError(R.string.cstor_passwords_error);
-                return false;
-            }
-
-            if (mDialogId == CSTOR_CHANGE_PASSWORD_DIALOG) {
-                int count = changeCstorPassword(oldPasswd, newPasswd);
-                if (count > 0) {
-                    showResetWarning(count);
-                    return false;
+            } else {
+                if (mDialogId == CSTOR_CHANGE_PASSWORD_DIALOG) {
+                    return !checkError(changeCstorPassword(oldPasswd, newPasswd));
                 } else {
-                    // done or reset
+                    initCstor(newPasswd);
                     return true;
                 }
-            } else {
-                initCstor(newPasswd);
-                return true;
             }
-        }
-
-        private void installCertFromSdCard() {
-            startActivity(new Intent(CertTool.ACTION_INSTALL_CERT_FROM_SDCARD));
+            return false;
         }
 
         private TextView showError(int messageId) {
@@ -820,40 +662,24 @@ public class SecuritySettings extends PreferenceActivity implements
             return v;
         }
 
+        private void hideError() {
+            hide(R.id.cstor_error);
+        }
+
         private void hide(int viewId) {
             View v = mView.findViewById(viewId);
             if (v != null) v.setVisibility(View.GONE);
         }
 
-        private void hideError() {
-            hide(R.id.cstor_error);
-        }
-
         private String getText(int viewId) {
             return ((TextView) mView.findViewById(viewId)).getText().toString();
         }
 
-        private void setText(int viewId, String text) {
-            TextView v = (TextView) mView.findViewById(viewId);
-            if (v != null) v.setText(text);
-        }
-
-        private void setText(int viewId, int textId) {
-            TextView v = (TextView) mView.findViewById(viewId);
-            if (v != null) v.setText(textId);
-        }
-
-        private void enablePreferences(boolean enabled) {
-            mAccessCheckBox.setEnabled(enabled);
-            mResetButton.setEnabled(enabled);
-        }
-
-        private Preference createAccessCheckBox() {
-            CheckBoxPreference pref = new CheckBoxPreference(
-                    SecuritySettings.this);
-            pref.setTitle(R.string.cstor_access_title);
-            pref.setSummary(R.string.cstor_access_summary);
-            pref.setOnPreferenceChangeListener(
+        private void createPreferences(PreferenceCategory category) {
+            mAccessCheckBox = new CheckBoxPreference(SecuritySettings.this);
+            mAccessCheckBox.setTitle(R.string.cstor_access_title);
+            mAccessCheckBox.setSummary(R.string.cstor_access_summary);
+            mAccessCheckBox.setOnPreferenceChangeListener(
                     new Preference.OnPreferenceChangeListener() {
                         public boolean onPreferenceChange(
                                 Preference pref, Object value) {
@@ -865,53 +691,48 @@ public class SecuritySettings extends PreferenceActivity implements
                             return true;
                         }
                     });
-            mAccessCheckBox = pref;
-            return pref;
-        }
+            category.addPreference(mAccessCheckBox);
 
-        private Preference createCertInstallPreference() {
-            Preference pref = new Preference(SecuritySettings.this);
-            pref.setTitle(R.string.cstor_cert_install_title);
-            pref.setSummary(R.string.cstor_cert_install_summary);
-            pref.setOnPreferenceClickListener(
+            Preference install = new Preference(SecuritySettings.this);
+            install.setTitle(R.string.cstor_cert_install_title);
+            install.setSummary(R.string.cstor_cert_install_summary);
+            install.setOnPreferenceClickListener(
                     new Preference.OnPreferenceClickListener() {
                         public boolean onPreferenceClick(Preference pref) {
-                            installCertFromSdCard();
+                            Credentials.getInstance().installFromSdCard(
+                                            SecuritySettings.this);
                             return true;
                         }
                     });
-            return pref;
-        }
+            category.addPreference(install);
 
-        private Preference createSetPasswordPreference() {
-            Preference pref = new Preference(SecuritySettings.this);
-            pref.setTitle(R.string.cstor_set_passwd_title);
-            pref.setSummary(R.string.cstor_set_passwd_summary);
-            pref.setOnPreferenceClickListener(
+            Preference password = new Preference(SecuritySettings.this);
+            password.setTitle(R.string.cstor_set_passwd_title);
+            password.setSummary(R.string.cstor_set_passwd_summary);
+            password.setOnPreferenceClickListener(
                     new Preference.OnPreferenceClickListener() {
                         public boolean onPreferenceClick(Preference pref) {
-                            showCstorDialog(isCstorInitialized()
-                                    ? CSTOR_CHANGE_PASSWORD_DIALOG
-                                    : CSTOR_INIT_DIALOG);
+                            showCstorDialog(mState == KeyStore.UNINITIALIZED
+                                    ? CSTOR_INIT_DIALOG
+                                    : CSTOR_CHANGE_PASSWORD_DIALOG);
                             return true;
                         }
                     });
-            return pref;
-        }
+            category.addPreference(password);
 
-        private Preference createResetPreference() {
-            Preference pref = new Preference(SecuritySettings.this);
-            pref.setTitle(R.string.cstor_reset_title);
-            pref.setSummary(R.string.cstor_reset_summary);
-            pref.setOnPreferenceClickListener(
+            mResetButton = new Preference(SecuritySettings.this);
+            mResetButton.setTitle(R.string.cstor_reset_title);
+            mResetButton.setSummary(R.string.cstor_reset_summary);
+            mResetButton.setOnPreferenceClickListener(
                     new Preference.OnPreferenceClickListener() {
                         public boolean onPreferenceClick(Preference pref) {
                             showCstorDialog(CSTOR_RESET_DIALOG);
                             return true;
                         }
                     });
-            mResetButton = pref;
-            return pref;
+            category.addPreference(mResetButton);
+
+            updatePreferences(mState);
         }
 
         private Dialog createUnlockDialog() {
@@ -920,8 +741,7 @@ public class SecuritySettings extends PreferenceActivity implements
             hideError();
 
             // show extra hint only when the action comes from outside
-            if ((mSpecialIntent == null)
-                    && (mCstorAddCredentialHelper == null)) {
+            if (mExternalIntent == null) {
                 hide(R.id.cstor_access_dialog_hint_from_action);
             }
 
@@ -930,7 +750,6 @@ public class SecuritySettings extends PreferenceActivity implements
                     .setTitle(R.string.cstor_access_dialog_title)
                     .setPositiveButton(android.R.string.ok, this)
                     .setNegativeButton(android.R.string.cancel, this)
-                    .setOnCancelListener(this)
                     .create();
             d.setOnDismissListener(this);
             return d;
@@ -941,13 +760,6 @@ public class SecuritySettings extends PreferenceActivity implements
                     R.layout.cstor_set_password_dialog_view, null);
             hideError();
 
-            // show extra hint only when the action comes from outside
-            if ((mSpecialIntent != null)
-                    || (mCstorAddCredentialHelper != null)) {
-                setText(R.id.cstor_first_time_hint,
-                        R.string.cstor_first_time_hint_from_action);
-            }
-
             switch (id) {
                 case CSTOR_INIT_DIALOG:
                     mView.findViewById(R.id.cstor_old_password_block)
@@ -969,7 +781,6 @@ public class SecuritySettings extends PreferenceActivity implements
                     .setTitle(R.string.cstor_set_passwd_dialog_title)
                     .setPositiveButton(android.R.string.ok, this)
                     .setNegativeButton(android.R.string.cancel, this)
-                    .setOnCancelListener(this)
                     .create();
             d.setOnDismissListener(this);
             return d;
@@ -984,115 +795,5 @@ public class SecuritySettings extends PreferenceActivity implements
                     .setNegativeButton(getString(android.R.string.cancel), this)
                     .create();
         }
-
-        private Dialog createNameCredentialDialog() {
-            mView = View.inflate(SecuritySettings.this,
-                    R.layout.cstor_name_credential_dialog_view, null);
-            if (mCstorAddCredentialHelper != null) {
-                mCstorAddCredentialHelper.mView = mView;
-            }
-
-            hideError();
-            if (!mCstorAddCredentialHelper.isPkcs12Keystore()) {
-                hide(R.id.cstor_credential_password_container);
-            }
-
-            setText(R.id.cstor_credential_name_title,
-                    R.string.cstor_credential_name);
-            setText(R.id.cstor_credential_info_title,
-                    R.string.cstor_credential_info);
-            setText(R.id.cstor_credential_info,
-                    mCstorAddCredentialHelper.getDescription().toString());
-
-            Dialog d = new AlertDialog.Builder(SecuritySettings.this)
-                    .setView(mView)
-                    .setTitle(R.string.cstor_name_credential_dialog_title)
-                    .setPositiveButton(android.R.string.ok, this)
-                    .setNegativeButton(android.R.string.cancel, this)
-                    .setOnCancelListener(this)
-                    .create();
-            d.setOnDismissListener(this);
-            return d;
-        }
-    }
-
-    private class CstorAddCredentialHelper {
-        private String mTypeName;
-        private List<byte[]> mItemList;
-        private List<String> mNamespaceList;
-        private String mDescription;
-        private String mName;
-        private String mPassword;
-        private View mView;
-
-        CstorAddCredentialHelper(Intent intent) {
-            parse(intent);
-        }
-
-        String getTypeName() {
-            return mTypeName;
-        }
-
-        boolean isPkcs12Keystore() {
-            return CertTool.TITLE_PKCS12_KEYSTORE.equals(mTypeName);
-        }
-
-        CharSequence getDescription() {
-            return Html.fromHtml(mDescription);
-        }
-
-        void setName(String name) {
-            mName = name;
-        }
-
-        String getName() {
-            return mName;
-        }
-
-        void setPassword(String password) {
-            mPassword = password;
-        }
-
-        String getPassword() {
-            return mPassword;
-        }
-
-        int saveToStorage() {
-            if (isPkcs12Keystore()) {
-                return CertTool.getInstance().addPkcs12Keystore(
-                        mItemList.get(0), mPassword, mName);
-            } else {
-                Keystore ks = Keystore.getInstance();
-                for (int i = 0, count = mItemList.size(); i < count; i++) {
-                    byte[] blob = mItemList.get(i);
-                    int ret = ks.put(mNamespaceList.get(i), mName,
-                            new String(blob));
-                    if (ret != 0) return ret;
-                }
-            }
-            return 0;
-        }
-
-        private void parse(Intent intent) {
-            mTypeName = intent.getStringExtra(KEY_CSTOR_TYPE_NAME);
-            mItemList = new ArrayList<byte[]>();
-            mNamespaceList = new ArrayList<String>();
-            for (int i = 0; ; i++) {
-                byte[] blob = intent.getByteArrayExtra(KEY_CSTOR_ITEM + i);
-                if (blob == null) break;
-                mItemList.add(blob);
-                mNamespaceList.add(intent.getStringExtra(
-                        KEY_CSTOR_NAMESPACE + i));
-            }
-
-            // build description string
-            StringBuilder sb = new StringBuilder();
-            for (int i = 0; ; i++) {
-                String s = intent.getStringExtra(KEY_CSTOR_DESCRIPTION + i);
-                if (s == null) break;
-                sb.append(s).append("<br>");
-            }
-            mDescription = sb.toString();
-        }
     }
 }