diff --git a/src/pEpmodule.cc b/src/pEpmodule.cc
index c7b11fd..b950b21 100644
--- a/src/pEpmodule.cc
+++ b/src/pEpmodule.cc
@@ -405,9 +405,11 @@ BOOST_PYTHON_MODULE(pEp)
     "\n"
     "overwrite this method with an implementation of a handshake dialog")
         .def("deliverHandshakeResult", &UserInterface::deliverHandshakeResult,
-    "deliverHandshakeResult(self, result)\n"
+                boost::python::arg("identities")=object(),
+    "deliverHandshakeResult(self, result, identities=None)\n"
     "\n"
     "   result          -1: cancel, 0: accepted, 1: rejected\n"
+    "   identities      list of identities to share or None for all\n"
     "\n"
     "call to deliver the handshake result of the handshake dialog")
     ;
diff --git a/src/user_interface.cc b/src/user_interface.cc
index 75d30fa..78d37a5 100644
--- a/src/user_interface.cc
+++ b/src/user_interface.cc
@@ -51,10 +51,32 @@ namespace pEp {
             return PEP_STATUS_OK;
         }
 
-        void UserInterface::deliverHandshakeResult(int result)
+        void UserInterface::deliverHandshakeResult(int result, object identities)
         {
+            identity_list *shared_identities = nullptr;
+            if (identities != boost::python::api::object()) {
+                shared_identities = new_identity_list(nullptr);
+                if (!shared_identities)
+                    throw bad_alloc();
+
+                try {
+                    identity_list *si = shared_identities;
+                    for (int i=0; i < boost::python::len(identities); ++i) {
+                        Identity ident = extract< Identity >(identities[i]);
+                        si = identity_list_add(si, ident);
+                        if (!si)
+                            throw bad_alloc();
+                    }
+                }
+                catch (exception& ex) {
+                    free_identity_list(shared_identities);
+                    throw ex;
+                }
+            }
+
             PEP_STATUS status = ::deliverHandshakeResult(adapter.session(),
-                    (sync_handshake_result) result);
+                    (sync_handshake_result) result, shared_identities);
+            free_identity_list(shared_identities);
             _throw_status(status);
         }
 
diff --git a/src/user_interface.hh b/src/user_interface.hh
index 260d855..dfacc6f 100644
--- a/src/user_interface.hh
+++ b/src/user_interface.hh
@@ -24,7 +24,7 @@ namespace pEp {
                     throw runtime_error("override this method");
                 }
 
-                virtual void deliverHandshakeResult(int result);
+                virtual void deliverHandshakeResult(int result, object identities);
 
                 PEP_rating get_key_rating_for_user(string user_id, string fpr);