diff --git a/extension/dialog.js b/extension/dialog.js
index 013a062..63f7577 100644
--- a/extension/dialog.js
+++ b/extension/dialog.js
@@ -15,6 +15,14 @@ webpg.dialog = {
         this.qs = {};
 
         webpg.dialog.selectedKeys = [];
+        var aux = [];
+        aux = webpg.preferences.selectedKeys.get();
+        if(aux) {
+        	webpg.dialog.selectedKeys = aux;
+        } else {
+        	webpg.dialog.selectedKeys = [];
+        }
+
         var _ = webpg.utils.i18n.gettext;
 
         webpg.pubkeylist = {};
@@ -201,6 +209,8 @@ webpg.dialog = {
                         unescape(webpg.dialog.qs.signers)!==null) ?
                         [unescape(webpg.dialog.qs.signers)] : null;
 
+                    webpg.preferences.selectedKeys.set(webpg.dialog.selectedKeys);
+
                     webpg.utils.sendRequest({"msg": "encrypt",
                         "data": unescape(webpg.dialog.qs.encrypt_data),
                         "pre_selection": pre_selection,
diff --git a/extension/preferences.js b/extension/preferences.js
index 850d5c8..a0396f4 100644
--- a/extension/preferences.js
+++ b/extension/preferences.js
@@ -267,6 +267,36 @@ webpg.preferences = {
         }
     },
 
+    selectedKeys: {
+        get: function() {
+            var qtd = webpg.localStorage.getItem('howManySelectedKeys');
+            if(qtd && qtd > 0) {
+            	var result = new Array(qtd);
+            	for(var i = 0; i < qtd; i++) {
+            		result[i] = webpg.localStorage.getItem(i+'SelectedKeys');
+            	}
+            	return result;
+            } else {
+            	return '';
+            }
+        },
+
+        set: function(value1) {
+        	var value = [];
+        	value = value1;
+        	var size = 0;
+        	size = value.length;
+        	var i = 0;
+        	for(; i < size; i++) {
+        		webpg.localStorage.setItem(i+'SelectedKeys', value[i]);
+        	}
+        	webpg.localStorage.setItem('howManySelectedKeys', size);
+        },
+
+        clear: function(){
+            webpg.localStorage.setItem('howManySelectedKeys', '');
+        }
+    },
     /*
         Class: webpg.preferences.gnupgbin
             Provides methods to get/set the GnuPG binary execututable