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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept xml:lang="en" id="GUID-4F9B3746-1FB2-5F3D-BD2C-189250C2C59F"><title>Secure Sockets Interface</title><shortdesc>This section describes the Secure sockets interface. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody><section><title>Description of the interface</title> <p>Secure Sockets allow the user to transport data over a public network. It provides both parties the ability to authenticate and to encrypt the data being sent. </p> <p>Secure sockets implement the <xref href="GUID-E0B30AF4-BD5C-38D3-B1B4-C19FD35B964D.dita"><apiname>MSecureSocket</apiname></xref> interface and its methods to: </p> <ul><li id="GUID-2CDBE4E3-8043-5351-A0F9-B6CC7183FFE7"><p>create and close a secure connection </p> </li> <li id="GUID-71FC7CFA-6052-5743-AEE9-2078D2E7713F"><p>specify and query the certificates used in a connection </p> </li> <li id="GUID-92A2E6A1-7A10-5EAC-B96E-F0FC0FF759C4"><p>send and receive data </p> </li> </ul> <p>This interface supports implementations that act in both the client modes, that is, connecting to a remote secure server, and acting as a server for remote clients. </p> <p>Secure socket implementations are used to secure an open and a connected socket. An application creates an instance of the <codeph>CSecureSocket</codeph> with reference to a connected <xref href="GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0.dita"><apiname>RSocket</apiname></xref> and a protocol name to use. The <codeph>CSecureSocket</codeph> finds, loads, and creates a secure socket of the implementation. The <codeph>CSecureSocket</codeph> owns an instance of the <codeph>CSecureSocket</codeph> implementation object and acts as a proxy, sending any method calls to the actual implementation object. </p> <p>Protocol implementations are not directly exposed to applications. From the applications, the <xref href="GUID-2DCC0FFB-1883-3A7B-B9F0-D680DD30D02C.dita"><apiname>CSecureSocket</apiname></xref> class hides the <xref href="GUID-E0B30AF4-BD5C-38D3-B1B4-C19FD35B964D.dita"><apiname>MSecureSocket</apiname></xref> class and the plug-in nature of the implementations. Secure sockets are created through the static <xref href="GUID-2DCC0FFB-1883-3A7B-B9F0-D680DD30D02C.dita#GUID-2DCC0FFB-1883-3A7B-B9F0-D680DD30D02C/GUID-78262DF7-7741-369D-80F2-5229C8F3F801"><apiname>CSecureSocket::NewL()</apiname></xref> method. </p> <p>A secure socket plug-in is provided for TLS1.0 or SSL3.0. </p> </section> <section><title>Protocol implementations</title> <p>Protocol implementations use the methods of the <xref href="GUID-2DCC0FFB-1883-3A7B-B9F0-D680DD30D02C.dita"><apiname>CSecureSocket</apiname></xref> to: </p> <ul><li id="GUID-BCECAC51-7367-536D-9E91-CFD135517587"><p>set a secure socket </p> </li> <li id="GUID-746E3F28-46E9-5E4A-800C-44DDE5C611BE"><p>set or get the current server certificate </p> </li> <li id="GUID-E8146070-36EC-5B72-9C32-616CA59B4D98"><p>set or get a protocol or version, if the implementations supports more than one </p> </li> <li id="GUID-9984158C-AAB9-57D7-8972-1ECF8A8B4FA1"><p>set or get the supported cipher suites. <b>Note</b>: Cipher suites are methods of encrypting the text. </p> </li> </ul> </section> </conbody><related-links><link href="GUID-61E0CD76-A2E3-5066-84A8-146EECA8ADCD.dita"><linktext>Sockets Server</linktext> </link> </related-links></concept>
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