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diff --git a/websocketpp/transport/asio/security/base.hpp b/websocketpp/transport/asio/security/base.hpp
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+/*
+ * Copyright (c) 2015, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef WEBSOCKETPP_TRANSPORT_ASIO_SOCKET_BASE_HPP
+#define WEBSOCKETPP_TRANSPORT_ASIO_SOCKET_BASE_HPP
+
+#include <websocketpp/common/asio.hpp>
+#include <websocketpp/common/memory.hpp>
+#include <websocketpp/common/functional.hpp>
+#include <websocketpp/common/system_error.hpp>
+#include <websocketpp/common/cpp11.hpp>
+#include <websocketpp/common/connection_hdl.hpp>
+
+#include <string>
+
+// Interface that sockets/security policies must implement
+
+/*
+ * Endpoint Interface
+ *
+ * bool is_secure() const;
+ * @return Whether or not the endpoint creates secure connections
+ *
+ * lib::error_code init(socket_con_ptr scon);
+ * Called by the transport after a new connection is created to initialize
+ * the socket component of the connection.
+ * @param scon Pointer to the socket component of the connection
+ * @return Error code (empty on success)
+ */
+
+
+// Connection
+// TODO
+// set_hostname(std::string hostname)
+// pre_init(init_handler);
+// post_init(init_handler);
+
+namespace websocketpp {
+namespace transport {
+namespace asio {
+namespace socket {
+
+typedef lib::function<void(lib::asio::error_code const &)> shutdown_handler;
+
+/**
+ * The transport::asio::socket::* classes are a set of security/socket related
+ * policies and support code for the ASIO transport types.
+ */
+
+/// Errors related to asio transport sockets
+namespace error {
+    enum value {
+        /// Catch-all error for security policy errors that don't fit in other
+        /// categories
+        security = 1,
+
+        /// Catch-all error for socket component errors that don't fit in other
+        /// categories
+        socket,
+
+        /// A function was called in a state that it was illegal to do so.
+        invalid_state,
+
+        /// The application was prompted to provide a TLS context and it was
+        /// empty or otherwise invalid
+        invalid_tls_context,
+
+        /// TLS Handshake Timeout
+        tls_handshake_timeout,
+
+        /// pass_through from underlying library
+        pass_through,
+
+        /// Required tls_init handler not present
+        missing_tls_init_handler,
+
+        /// TLS Handshake Failed
+        tls_handshake_failed,
+        
+        /// Failed to set TLS SNI hostname
+        tls_failed_sni_hostname
+    };
+} // namespace error
+
+/// Error category related to asio transport socket policies
+class socket_category : public lib::error_category {
+public:
+    char const * name() const _WEBSOCKETPP_NOEXCEPT_TOKEN_ {
+        return "websocketpp.transport.asio.socket";
+    }
+
+    std::string message(int value) const {
+        switch(value) {
+            case error::security:
+                return "Security policy error";
+            case error::socket:
+                return "Socket component error";
+            case error::invalid_state:
+                return "Invalid state";
+            case error::invalid_tls_context:
+                return "Invalid or empty TLS context supplied";
+            case error::tls_handshake_timeout:
+                return "TLS handshake timed out";
+            case error::pass_through:
+                return "Pass through from socket policy";
+            case error::missing_tls_init_handler:
+                return "Required tls_init handler not present.";
+            case error::tls_handshake_failed:
+                return "TLS handshake failed";
+            case error::tls_failed_sni_hostname:
+                return "Failed to set TLS SNI hostname";
+            default:
+                return "Unknown";
+        }
+    }
+};
+
+inline lib::error_category const & get_socket_category() {
+    static socket_category instance;
+    return instance;
+}
+
+inline lib::error_code make_error_code(error::value e) {
+    return lib::error_code(static_cast<int>(e), get_socket_category());
+}
+
+/// Type of asio transport socket policy initialization handlers
+typedef lib::function<void(const lib::error_code&)> init_handler;
+
+} // namespace socket
+} // namespace asio
+} // namespace transport
+} // namespace websocketpp
+
+#endif // WEBSOCKETPP_TRANSPORT_ASIO_SOCKET_BASE_HPP