diff -r 000000000000 -r 6474c204b198 security/manager/ssl/public/nsICMSSecureMessage.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/security/manager/ssl/public/nsICMSSecureMessage.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#include "nsISupports.idl"
+
+interface nsIX509Cert;
+
+/**
+ * nsICMSManager (service)
+ *  Interface to access users certificate store
+ */
+[scriptable, uuid(14b4394a-1dd2-11b2-b4fd-ba4a194fe97e)]
+interface nsICMSSecureMessage : nsISupports
+{
+  /**
+   * getCertByPrefID - a BASE64 string representing a user's
+   *   certificate (or NULL if there isn't one)
+   */
+  string getCertByPrefID(in string certID);
+
+  /**
+   * decodeCert - decode a BASE64 string into an X509Certificate object
+   */
+  nsIX509Cert decodeCert(in string value);
+
+  /**
+   * sendMessage - send a text message to the recipient indicated
+   *   by the base64-encoded cert.
+   */
+  string sendMessage(in string msg, in string cert);
+
+  /**
+   * receiveMessage - receive an encrypted (enveloped) message
+   */
+  string receiveMessage(in string msg);
+};
+
+%{C++
+#define NS_CMSSECUREMESSAGE_CONTRACTID "@mozilla.org/nsCMSSecureMessage;1"
+%}