diff -r 000000000000 -r 6474c204b198 security/manager/ssl/src/nsStreamCipher.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/security/manager/ssl/src/nsStreamCipher.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+/* 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/. */
+
+#ifndef _NS_STREAMCIPHER_H_
+#define _NS_STREAMCIPHER_H_
+
+#include "nsIStreamCipher.h"
+#include "nsString.h"
+#include "pk11func.h"
+#include "mozilla/Attributes.h"
+
+/* dbfcbe4a-10f7-4d6f-a481-68e6d6b71d21 */
+#define NS_STREAMCIPHER_CID   \
+{ 0xdbfcbe4a, 0x10f7, 0x4d6f, {0xa4, 0x81, 0x68, 0xe6, 0xd6, 0xb7, 0x1d, 0x21}}
+#define NS_STREAMCIPHER_CONTRACTID "@mozilla.org/security/streamcipher;1"
+
+class nsStreamCipher MOZ_FINAL : public nsIStreamCipher
+{
+public:
+  nsStreamCipher();
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSISTREAMCIPHER
+
+private:
+  ~nsStreamCipher();
+
+  // Helper method for initializing this object.
+  // aIV may be null.
+  nsresult InitWithIV_(nsIKeyObject *aKey, SECItem* aIV);
+  
+  // Disallow copy constructor
+  nsStreamCipher(nsStreamCipher&);
+
+  // Holds our stream cipher context.
+  PK11Context* mContext;
+
+  // Holds the amount we've computed so far.
+  nsCString mValue;
+};
+
+#endif // _NS_STREAMCIPHER_H_