diff -r 000000000000 -r 6474c204b198 mobile/android/base/sync/crypto/CryptoException.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/sync/crypto/CryptoException.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.sync.crypto;
+
+import java.security.GeneralSecurityException;
+
+public class CryptoException extends Exception { 
+  public GeneralSecurityException cause;
+  public CryptoException(GeneralSecurityException e) {
+    this();
+    this.cause = e;
+  }
+  public CryptoException() {
+    
+  }
+  private static final long serialVersionUID = -5219310989960126830L;
+}