<?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 task

  PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">

<task id="GUID-0703C141-17C7-5918-9CF3-EF6CD408975B" xml:lang="en"><title>Phone

Security Code Tutorial</title><shortdesc>This tutorial describes how to set the security code in a Symbian

OS device. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>

<context><p>A security code controls access to the phone and can take a number

of

 forms, such as a phone password, or SIM PIN number. Phone security functions

use an <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita#GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8/GUID-81A8B1D4-E771-3720-B346-AD9A79861BDD"><apiname>RMobilePhone::TMobilePhoneSecurityCode</apiname></xref> flag to

 specify the type of the code. 

</p></context>

<steps-unordered>

<step id="GUID-B969E22B-1055-5CF8-B95C-98F2486D0472"><cmd>To set a security

code, use <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::ChangeSecurityCode()</apiname></xref>. </cmd>

<info>This takes a <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::TMobilePhonePasswordChangeV1</apiname></xref> object

containing the old and new values. </info>

</step>

<step id="GUID-F7B814C8-F373-513D-9384-D218C0450798"><cmd>To verify an entered

code against the specified stored security code, use <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::VerifySecurityCode()</apiname></xref>. </cmd>

</step>

<step id="GUID-976CB6F4-D2B6-5A87-8226-B97A0A92B770"><cmd>To inform the phone

that the user has cancelled a request for a security code to be entered, use <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::AbortSecurityCode()</apiname></xref>. </cmd>

</step>

</steps-unordered>

<example><title>Phone security code example</title> <p>The following code

takes the parameters for old and new password values, and changes the phone

password. </p> <p>The code assumes <codeph>iMobilePhone</codeph> is an <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone</apiname></xref> object. </p> <codeblock id="GUID-1FFD20DF-F10D-5B13-9088-32529980E7CB" xml:space="preserve">void CClass::SetPasswordL(const TDesC&amp; aOldPassword, const TDesC&amp; aNewPassword)

    {

    TUint32 securityCaps;

    User::LeaveIfError(iMobilePhone.GetSecurityCaps(securityCaps));

    if (securityCaps & RMobilePhone::KCapsLockPhone)

        {

        RMobilePhone::TMobilePhonePasswordChangeV1 passwordChange;

        passwordChange.iOldPassword = aOldPassword;

        passwordChange.iNewPassword = aNewPassword;

        RMobilePhone::TMobilePhoneSecurityCode securityCode = RMobilePhone::ESecurityCodePhonePassword;

        TRequestStatus status;

        iMobilePhone.ChangeSecurityCode(status, securityCode, passwordChange);

        User::WaitForRequest(status);

        User::LeaveIfError(status.Int());

        }

    }

</codeblock> </example>