diff --git a/res/layout/select_public_key_item.xml b/res/layout/select_public_key_item.xml
index a8f135c1a..beca23176 100644
--- a/res/layout/select_public_key_item.xml
+++ b/res/layout/select_public_key_item.xml
@@ -69,20 +69,6 @@
             android:layout_width="wrap_content"
             android:layout_height="fill_parent"/>
 
-        <!--  <TextView
-            android:id="@+id/creation"
-            android:textAppearance="?android:attr/textAppearanceSmall"
-            android:text="31.12.2009"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"/>
-
-        <TextView
-            android:id="@+id/expiry"
-            android:textAppearance="?android:attr/textAppearanceSmall"
-            android:text="31.12.2010"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"/> -->
-
         <TextView
             android:id="@+id/status"
             android:textAppearance="?android:attr/textAppearanceSmall"
diff --git a/res/layout/select_secret_key_item.xml b/res/layout/select_secret_key_item.xml
index 257128cdb..022545152 100644
--- a/res/layout/select_secret_key_item.xml
+++ b/res/layout/select_secret_key_item.xml
@@ -62,20 +62,6 @@
             android:layout_width="wrap_content"
             android:layout_height="fill_parent"/>
 
-        <!-- <TextView
-            android:id="@+id/creation"
-            android:textAppearance="?android:attr/textAppearanceSmall"
-            android:text="31.12.2009"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"/>
-
-        <TextView
-            android:id="@+id/expiry"
-            android:textAppearance="?android:attr/textAppearanceSmall"
-            android:text="31.12.2010"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"/> -->
-
         <TextView
             android:id="@+id/status"
             android:textAppearance="?android:attr/textAppearanceSmall"
diff --git a/src/org/thialfihar/android/apg/Apg.java b/src/org/thialfihar/android/apg/Apg.java
index 7ce45279a..201f33550 100644
--- a/src/org/thialfihar/android/apg/Apg.java
+++ b/src/org/thialfihar/android/apg/Apg.java
@@ -88,11 +88,9 @@ import org.thialfihar.android.apg.ui.widget.UserIdEditor;
 import org.thialfihar.android.apg.utils.IterableIterator;
 
 import android.app.Activity;
-import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
-import android.net.Uri;
 import android.os.Bundle;
 import android.os.Environment;
 import android.view.ViewGroup;
@@ -318,7 +316,6 @@ public class Apg {
             secretKey = (PGPSecretKey) it.next();
         }
 
-
         return secretKey;
     }
 
@@ -454,6 +451,7 @@ public class Apg {
         hashedPacketsGen.setPreferredHashAlgorithms(true, PREFERRED_HASH_ALGORITHMS);
         hashedPacketsGen.setPreferredCompressionAlgorithms(true, PREFERRED_COMPRESSION_ALGORITHMS);
 
+        // TODO: this doesn't work quite right yet
         if (keyEditor.getExpiryDate() != null) {
             GregorianCalendar creationDate = new GregorianCalendar();
             creationDate.setTime(getCreationDate(masterKey));
@@ -505,6 +503,7 @@ public class Apg {
             }
             hashedPacketsGen.setKeyFlags(true, keyFlags);
 
+            // TODO: this doesn't work quite right yet
             if (keyEditor.getExpiryDate() != null) {
                 GregorianCalendar creationDate = new GregorianCalendar();
                 creationDate.setTime(getCreationDate(masterKey));
@@ -530,36 +529,6 @@ public class Apg {
         progress.setProgress(R.string.progress_done, 100, 100);
     }
 
-    private static int saveKeyRing(Activity context, PGPPublicKeyRing keyRing) {
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
-        ContentValues values = new ContentValues();
-
-        PGPPublicKey masterKey = getMasterKey(keyRing);
-        if (masterKey == null) {
-            return Id.return_value.no_master_key;
-        }
-
-        try {
-            keyRing.encode(out);
-            out.close();
-        } catch (IOException e) {
-            return Id.return_value.error;
-        }
-
-        values.put(PublicKeys.KEY_ID, masterKey.getKeyID());
-        values.put(PublicKeys.KEY_DATA, out.toByteArray());
-
-        Uri uri = Uri.withAppendedPath(PublicKeys.CONTENT_URI_BY_KEY_ID, "" + masterKey.getKeyID());
-        Cursor cursor = context.managedQuery(uri, PUBLIC_KEY_PROJECTION, null, null, null);
-        if (cursor != null && cursor.getCount() > 0) {
-            context.getContentResolver().update(uri, values, null, null);
-            return Id.return_value.updated;
-        } else {
-            context.getContentResolver().insert(PublicKeys.CONTENT_URI, values);
-            return Id.return_value.ok;
-        }
-    }
-
     public static Bundle importKeyRings(Activity context, int type, String filename,
                                         ProgressDialogUpdater progress)
             throws GeneralException, FileNotFoundException, PGPException, IOException {
diff --git a/src/org/thialfihar/android/apg/SelectPublicKeyListAdapter.java b/src/org/thialfihar/android/apg/SelectPublicKeyListAdapter.java
index 483ab0caa..4caf08ef2 100644
--- a/src/org/thialfihar/android/apg/SelectPublicKeyListAdapter.java
+++ b/src/org/thialfihar/android/apg/SelectPublicKeyListAdapter.java
@@ -16,6 +16,8 @@
 
 package org.thialfihar.android.apg;
 
+import java.util.Date;
+
 import org.thialfihar.android.apg.provider.KeyRings;
 import org.thialfihar.android.apg.provider.Keys;
 import org.thialfihar.android.apg.provider.UserIds;
@@ -41,6 +43,7 @@ public class SelectPublicKeyListAdapter extends BaseAdapter {
         mParent = parent;
         mDatabase =  Apg.getDatabase().db();
         mInflater = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        long now = new Date().getTime() / 1000;
         mCursor = mDatabase.query(
               KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " +
                                     "(" + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
@@ -58,7 +61,16 @@ public class SelectPublicKeyListAdapter extends BaseAdapter {
                   "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
                       "tmp." + Keys.KEY_RING_ID + " = " +
                       KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
+                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
                       "tmp." + Keys.CAN_ENCRYPT + " = '1')",          // 3
+                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
+                      "tmp." + Keys.KEY_RING_ID + " = " +
+                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
+                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
+                      "tmp." + Keys.CAN_ENCRYPT + " = '1' AND " +
+                      "tmp." + Keys.CREATION + " <= '" + now + "' AND " +
+                      "(tmp." + Keys.EXPIRY + " IS NULL OR " +
+                       "tmp." + Keys.EXPIRY + " >= '" + now + "'))",  // 4
               },
               KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
               new String[] { "" + Id.database.type_public },
@@ -75,7 +87,7 @@ public class SelectPublicKeyListAdapter extends BaseAdapter {
     @Override
     public boolean isEnabled(int position) {
         mCursor.moveToPosition(position);
-        return mCursor.getInt(3) > 0; // CAN_ENCRYPT
+        return mCursor.getInt(4) > 0; // valid CAN_ENCRYPT
     }
 
     @Override
@@ -112,10 +124,6 @@ public class SelectPublicKeyListAdapter extends BaseAdapter {
         mainUserIdRest.setText("");
         TextView keyId = (TextView) view.findViewById(R.id.keyId);
         keyId.setText(R.string.noKey);
-        /*TextView creation = (TextView) view.findViewById(R.id.creation);
-        creation.setText(R.string.noDate);
-        TextView expiry = (TextView) view.findViewById(R.id.expiry);
-        expiry.setText(R.string.noExpiry);*/
         TextView status = (TextView) view.findViewById(R.id.status);
         status.setText(R.string.unknownStatus);
 
@@ -136,35 +144,17 @@ public class SelectPublicKeyListAdapter extends BaseAdapter {
             mainUserIdRest.setVisibility(View.GONE);
         }
 
-        // TODO: must get this functionality in again
-        /*PGPPublicKey timespanKey = key;
-        if (usableKeys.size() > 0) {
-            timespanKey = usableKeys.get(0);
-            status.setText(R.string.canEncrypt);
-        } else if (encryptKeys.size() > 0) {
-            timespanKey = encryptKeys.get(0);
-            Date now = new Date();
-            if (now.compareTo(Apg.getCreationDate(timespanKey)) > 0) {
-                status.setText(R.string.notValid);
-            } else {
-                status.setText(R.string.expired);
-            }
-        } else {
-            status.setText(R.string.noKey);
-        }*/
         if (enabled) {
             status.setText(R.string.canEncrypt);
         } else {
-            status.setText(R.string.noKey);
+            if (mCursor.getInt(3) > 0) {
+                // has some CAN_ENCRYPT keys, but col(4) = 0, so must be revoked or expired
+                status.setText(R.string.expired);
+            } else {
+                status.setText(R.string.noKey);
+            }
         }
 
-        /*
-        creation.setText(DateFormat.getDateInstance().format(Apg.getCreationDate(timespanKey)));
-        Date expiryDate = Apg.getExpiryDate(timespanKey);
-        if (expiryDate != null) {
-            expiry.setText(DateFormat.getDateInstance().format(expiryDate));
-        }*/
-
         status.setText(status.getText() + " ");
 
         CheckBox selected = (CheckBox) view.findViewById(R.id.selected);
@@ -175,8 +165,6 @@ public class SelectPublicKeyListAdapter extends BaseAdapter {
         mainUserId.setEnabled(enabled);
         mainUserIdRest.setEnabled(enabled);
         keyId.setEnabled(enabled);
-        /*creation.setEnabled(enabled);
-        expiry.setEnabled(enabled);*/
         selected.setEnabled(enabled);
         status.setEnabled(enabled);
 
diff --git a/src/org/thialfihar/android/apg/SelectSecretKeyListAdapter.java b/src/org/thialfihar/android/apg/SelectSecretKeyListAdapter.java
index 2d7bdb623..e7e18b3ff 100644
--- a/src/org/thialfihar/android/apg/SelectSecretKeyListAdapter.java
+++ b/src/org/thialfihar/android/apg/SelectSecretKeyListAdapter.java
@@ -1,5 +1,7 @@
 package org.thialfihar.android.apg;
 
+import java.util.Date;
+
 import org.thialfihar.android.apg.provider.KeyRings;
 import org.thialfihar.android.apg.provider.Keys;
 import org.thialfihar.android.apg.provider.UserIds;
@@ -24,6 +26,7 @@ public class SelectSecretKeyListAdapter extends BaseAdapter {
         mParent = parent;
         mDatabase =  Apg.getDatabase().db();
         mInflater = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        long now = new Date().getTime() / 1000;
         mCursor = mDatabase.query(
               KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " +
                                     "(" + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " +
@@ -41,7 +44,16 @@ public class SelectSecretKeyListAdapter extends BaseAdapter {
                   "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
                       "tmp." + Keys.KEY_RING_ID + " = " +
                       KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
-                      "tmp." + Keys.CAN_SIGN + " = '1')",             // 3
+                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
+                      "tmp." + Keys.CAN_SIGN + " = '1')",             // 3,
+                  "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " +
+                      "tmp." + Keys.KEY_RING_ID + " = " +
+                      KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " +
+                      "tmp." + Keys.IS_REVOKED + " = '0' AND " +
+                      "tmp." + Keys.CAN_SIGN + " = '1' AND " +
+                      "tmp." + Keys.CREATION + " <= '" + now + "' AND " +
+                      "(tmp." + Keys.EXPIRY + " IS NULL OR " +
+                       "tmp." + Keys.EXPIRY + " >= '" + now + "'))",  // 4
               },
               KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?",
               new String[] { "" + Id.database.type_secret },
@@ -58,7 +70,7 @@ public class SelectSecretKeyListAdapter extends BaseAdapter {
     @Override
     public boolean isEnabled(int position) {
         mCursor.moveToPosition(position);
-        return mCursor.getInt(3) > 0; // CAN_SIGN
+        return mCursor.getInt(4) > 0; // valid CAN_SIGN
     }
 
     @Override
@@ -95,10 +107,6 @@ public class SelectSecretKeyListAdapter extends BaseAdapter {
         mainUserIdRest.setText("");
         TextView keyId = (TextView) view.findViewById(R.id.keyId);
         keyId.setText(R.string.noKey);
-        /*TextView creation = (TextView) view.findViewById(R.id.creation);
-        creation.setText(R.string.noDate);
-        TextView expiry = (TextView) view.findViewById(R.id.expiry);
-        expiry.setText(R.string.noExpiry);*/
         TextView status = (TextView) view.findViewById(R.id.status);
         status.setText(R.string.unknownStatus);
 
@@ -119,43 +127,23 @@ public class SelectSecretKeyListAdapter extends BaseAdapter {
             mainUserIdRest.setVisibility(View.GONE);
         }
 
-        // TODO: must get this functionality in again
-        /*PGPSecretKey timespanKey = key;
-        if (usableKeys.size() > 0) {
-            timespanKey = usableKeys.get(0);
-            status.setText(R.string.canSign);
-        } else if (signingKeys.size() > 0) {
-            timespanKey = signingKeys.get(0);
-            Date now = new Date();
-            if (now.compareTo(Apg.getCreationDate(timespanKey)) > 0) {
-                status.setText(R.string.notValid);
-            } else {
-                status.setText(R.string.expired);
-            }
-        } else {
-            status.setText(R.string.noKey);
-        }*/
-
         if (enabled) {
             status.setText(R.string.canSign);
         } else {
-            status.setText(R.string.noKey);
+            if (mCursor.getInt(3) > 0) {
+                // has some CAN_SIGN keys, but col(4) = 0, so must be revoked or expired
+                status.setText(R.string.expired);
+            } else {
+                status.setText(R.string.noKey);
+            }
         }
 
-        /*creation.setText(DateFormat.getDateInstance().format(Apg.getCreationDate(timespanKey)));
-        Date expiryDate = Apg.getExpiryDate(timespanKey);
-        if (expiryDate != null) {
-            expiry.setText(DateFormat.getDateInstance().format(expiryDate));
-        }*/
-
         status.setText(status.getText() + " ");
 
         view.setEnabled(enabled);
         mainUserId.setEnabled(enabled);
         mainUserIdRest.setEnabled(enabled);
         keyId.setEnabled(enabled);
-        /*creation.setEnabled(enabled);
-        expiry.setEnabled(enabled);*/
         status.setEnabled(enabled);
 
         return view;
diff --git a/src/org/thialfihar/android/apg/provider/DataProvider.java b/src/org/thialfihar/android/apg/provider/DataProvider.java
index ee63d76f4..6b56e0bd9 100644
--- a/src/org/thialfihar/android/apg/provider/DataProvider.java
+++ b/src/org/thialfihar/android/apg/provider/DataProvider.java
@@ -18,6 +18,8 @@ package org.thialfihar.android.apg.provider;
 
 import java.util.HashMap;
 
+import org.thialfihar.android.apg.Apg;
+
 import android.content.ContentProvider;
 import android.content.ContentUris;
 import android.content.ContentValues;
@@ -82,7 +84,9 @@ public class DataProvider extends ContentProvider {
 
     @Override
     public boolean onCreate() {
-        mdbHelper = new Database(getContext());
+        //mdbHelper = new Database(getContext());
+        Apg.initialize(getContext());
+        mdbHelper = Apg.getDatabase();
         return true;
     }
 
diff --git a/src/org/thialfihar/android/apg/provider/Database.java b/src/org/thialfihar/android/apg/provider/Database.java
index c4313d9be..55736e8b4 100644
--- a/src/org/thialfihar/android/apg/provider/Database.java
+++ b/src/org/thialfihar/android/apg/provider/Database.java
@@ -1,6 +1,7 @@
 package org.thialfihar.android.apg.provider;
 
 import java.io.IOException;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.Vector;
 
@@ -58,6 +59,9 @@ public class Database extends SQLiteOpenHelper {
         sKeysProjection.put(Keys.KEY_SIZE, Keys.KEY_SIZE);
         sKeysProjection.put(Keys.CAN_SIGN, Keys.CAN_SIGN);
         sKeysProjection.put(Keys.CAN_ENCRYPT, Keys.CAN_ENCRYPT);
+        sKeysProjection.put(Keys.IS_REVOKED, Keys.IS_REVOKED);
+        sKeysProjection.put(Keys.CREATION, Keys.CREATION);
+        sKeysProjection.put(Keys.EXPIRY, Keys.EXPIRY);
         sKeysProjection.put(Keys.KEY_DATA, Keys.KEY_DATA);
         sKeysProjection.put(Keys.RANK, Keys.RANK);
 
@@ -70,9 +74,9 @@ public class Database extends SQLiteOpenHelper {
 
     public Database(Context context) {
         super(context, DATABASE_NAME, null, DATABASE_VERSION);
-        mDb = getWritableDatabase();
         // force upgrade to test things
         //onUpgrade(getWritableDatabase(), 1, 2);
+        mDb = getWritableDatabase();
     }
 
     @Override
@@ -99,6 +103,9 @@ public class Database extends SQLiteOpenHelper {
                    Keys.KEY_SIZE + " " + Keys.KEY_SIZE_type + ", " +
                    Keys.CAN_SIGN + " " + Keys.CAN_SIGN_type + ", " +
                    Keys.CAN_ENCRYPT + " " + Keys.CAN_ENCRYPT_type + ", " +
+                   Keys.IS_REVOKED + " " + Keys.IS_REVOKED_type + ", " +
+                   Keys.CREATION + " " + Keys.CREATION_type + ", " +
+                   Keys.EXPIRY + " " + Keys.EXPIRY_type + ", " +
                    Keys.KEY_RING_ID + " " + Keys.KEY_RING_ID_type + ", " +
                    Keys.KEY_DATA + " " + Keys.KEY_DATA_type +
                    Keys.RANK + " " + Keys.RANK_type + ");");
@@ -140,6 +147,9 @@ public class Database extends SQLiteOpenHelper {
                                Keys.KEY_SIZE + " " + Keys.KEY_SIZE_type + ", " +
                                Keys.CAN_SIGN + " " + Keys.CAN_SIGN_type + ", " +
                                Keys.CAN_ENCRYPT + " " + Keys.CAN_ENCRYPT_type + ", " +
+                               Keys.IS_REVOKED + " " + Keys.IS_REVOKED_type + ", " +
+                               Keys.CREATION + " " + Keys.CREATION_type + ", " +
+                               Keys.EXPIRY + " " + Keys.EXPIRY_type + ", " +
                                Keys.KEY_RING_ID + " " + Keys.KEY_RING_ID_type + ", " +
                                Keys.KEY_DATA + " " + Keys.KEY_DATA_type +
                                Keys.RANK + " " + Keys.RANK_type + ");");
@@ -239,6 +249,7 @@ public class Database extends SQLiteOpenHelper {
                           Keys._ID + " NOT IN (" + seenIdsStr + ")",
                           new String[] { "" + rowId });
 
+        mDb.setTransactionSuccessful();
         mDb.endTransaction();
         return returnValue;
     }
@@ -279,6 +290,7 @@ public class Database extends SQLiteOpenHelper {
                           Keys._ID + " NOT IN (" + seenIdsStr + ")",
                           new String[] { "" + rowId });
 
+        mDb.setTransactionSuccessful();
         mDb.endTransaction();
         return returnValue;
     }
@@ -294,6 +306,12 @@ public class Database extends SQLiteOpenHelper {
         values.put(Keys.KEY_SIZE, key.getBitStrength());
         values.put(Keys.CAN_SIGN, Apg.isSigningKey(key));
         values.put(Keys.CAN_ENCRYPT, Apg.isEncryptionKey(key));
+        values.put(Keys.IS_REVOKED, key.isRevoked());
+        values.put(Keys.CREATION, Apg.getCreationDate(key).getTime() / 1000);
+        Date expiryDate = Apg.getExpiryDate(key);
+        if (expiryDate != null) {
+            values.put(Keys.EXPIRY, expiryDate.getTime() / 1000);
+        }
         values.put(Keys.KEY_RING_ID, keyRingId);
         values.put(Keys.KEY_DATA, key.getEncoded());
         values.put(Keys.RANK, rank);
@@ -337,6 +355,12 @@ public class Database extends SQLiteOpenHelper {
         values.put(Keys.KEY_SIZE, key.getPublicKey().getBitStrength());
         values.put(Keys.CAN_SIGN, Apg.isSigningKey(key));
         values.put(Keys.CAN_ENCRYPT, Apg.isEncryptionKey(key));
+        values.put(Keys.IS_REVOKED, key.getPublicKey().isRevoked());
+        values.put(Keys.CREATION, Apg.getCreationDate(key).getTime() / 1000);
+        Date expiryDate = Apg.getExpiryDate(key);
+        if (expiryDate != null) {
+            values.put(Keys.EXPIRY, expiryDate.getTime() / 1000);
+        }
         values.put(Keys.KEY_RING_ID, keyRingId);
         values.put(Keys.KEY_DATA, key.getEncoded());
         values.put(Keys.RANK, rank);
@@ -539,6 +563,7 @@ public class Database extends SQLiteOpenHelper {
         }
         c.close();
 
+        mDb.setTransactionSuccessful();
         mDb.endTransaction();
     }
 
diff --git a/src/org/thialfihar/android/apg/provider/Keys.java b/src/org/thialfihar/android/apg/provider/Keys.java
index c4c708a01..8d5c81206 100644
--- a/src/org/thialfihar/android/apg/provider/Keys.java
+++ b/src/org/thialfihar/android/apg/provider/Keys.java
@@ -37,6 +37,12 @@ public class Keys implements BaseColumns {
     public static final String CAN_SIGN_type = "INTEGER";
     public static final String CAN_ENCRYPT = "c_can_encrypt";
     public static final String CAN_ENCRYPT_type = "INTEGER";
+    public static final String IS_REVOKED = "c_is_revoked";
+    public static final String IS_REVOKED_type = "INTEGER";
+    public static final String CREATION = "c_creation";
+    public static final String CREATION_type = "INTEGER";
+    public static final String EXPIRY = "c_expiry";
+    public static final String EXPIRY_type = "INTEGER";
     public static final String KEY_RING_ID = "c_key_ring_id";
     public static final String KEY_RING_ID_type = "INTEGER";
     public static final String KEY_DATA = "c_key_data";
diff --git a/src/org/thialfihar/android/apg/ui/widget/KeyEditor.java b/src/org/thialfihar/android/apg/ui/widget/KeyEditor.java
index bc38fba4c..044da2db2 100644
--- a/src/org/thialfihar/android/apg/ui/widget/KeyEditor.java
+++ b/src/org/thialfihar/android/apg/ui/widget/KeyEditor.java
@@ -233,7 +233,7 @@ public class KeyEditor extends LinearLayout implements Editor, OnClickListener {
     }
 
     public GregorianCalendar getExpiryDate() {
-     return mExpiryDate;
+        return mExpiryDate;
     }
 
     public int getUsage() {