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diff --git a/linden/indra/newview/otr_wrapper.h b/linden/indra/newview/otr_wrapper.h
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+++ b/linden/indra/newview/otr_wrapper.h
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+/* otr_wrapper.h - wrap libotr for use in the second life viewer
+   $PLOTR$ See http://www.cypherpunks.ca/otr/
+
+   Copyright (C) 2009 Chris Tuchs
+
+   This is free software; you can redistribute it and/or modify it
+   under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+ 
+   This is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+   License for more details.
+ 
+   You should have received a copy of the GNU Lesser General Public
+   License along with the viewer; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+#ifndef OTR_WRAPPER_H_INCLUDED
+#define OTR_WRAPPER_H_INCLUDED 1
+
+extern "C" {
+#if WIN32
+#include <unistd.h>     // various defines needed for OTR on windows
+#endif
+#include <gcrypt.h>     // gcrypt dependancies
+#include <userstate.h>  // OTR
+#include <proto.h>      // OTR
+#include <privkey.h>    // OTR
+#include <../libotr/libotr-3.2.0/src/message.h> // OTR
+#include <context.h>
+}
+
+class OTR_Wrapper
+{
+private:
+    OtrlUserState userstate; // Global state of OTR: known public keys etc.
+    OtrlMessageAppOps uistate; // UI functions collected into a structure for libotr   
+    OTR_Wrapper();
+    ~OTR_Wrapper();
+
+public:
+    static void init();
+    static void stopAll();
+    static void logout();
+    OtrlUserState get_userstate()    { return this->userstate; }
+    OtrlMessageAppOps *get_uistate() { return &(this->uistate); }
+    const char * get_protocolid()    { return "SecondLife"; }
+};
+
+extern OTR_Wrapper *gOTR; // the singleton OTR wrapper
+
+#define OTR_PRIVATE_KEYS_FILE "OTR-my-private-key.dat"
+#define OTR_PUBLIC_KEYS_FILE  "OTR-public-keys.dat"
+
+#endif // ndef OTR_WRAPPER_H_INCLUDED