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// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// This file contains the implementation of the AT+CPWD command
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//
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//
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#include <mmretrieve.h> // AO
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#include "cpwdcommandhandler.h"
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#include "debug.h"
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// password types
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_LIT8(KATCPWDPS, "PS"); // Phone lock
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_LIT8(KATCPWDP2, "P2"); // PIN2
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_LIT8(KATCPWDSC, "SC"); // PIN
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_LIT8(KATCPWDAB, "AB"); // All Barring code
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// strings for debugging trace
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_LIT8(KDbgStr, "+CPWD: %s \r\n");
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_LIT8(KDbgTDes, "+CPWD: %s%S\r\n");
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// constant for Set All barring code service - originally defined in mw/PSetConstants.h
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const TInt KPsetAllSSServices = 0;
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// Max buffer length for an MD5 digest - originally defined in SCPServerInterface.h
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const TInt KSCPMaxHashLength( 32 );
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CCPWDCommandHandler* CCPWDCommandHandler::NewL(MATMiscCmdPlugin* aCallback, TAtCommandParser& aATCmdParser, RMobilePhone& aPhone)
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{
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TRACE_FUNC_ENTRY
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CCPWDCommandHandler* self = new (ELeave) CCPWDCommandHandler(aCallback, aATCmdParser, aPhone);
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TRACE_FUNC_EXIT
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return self;
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}
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CCPWDCommandHandler::CCPWDCommandHandler(MATMiscCmdPlugin* aCallback, TAtCommandParser& aATCmdParser, RMobilePhone& aPhone) :
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CATCmdAsyncBase(aCallback, aATCmdParser, aPhone)
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{
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TRACE_FUNC_ENTRY
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TRACE_FUNC_EXIT
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}
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CCPWDCommandHandler::~CCPWDCommandHandler()
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{
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TRACE_FUNC_ENTRY
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Cancel();
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TRACE_FUNC_EXIT
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}
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void CCPWDCommandHandler::HandleCommand( const TDesC8& /*aCmd*/,
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RBuf8& /*aReply*/,
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TBool /*aReplyNeeded*/ )
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{
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TRACE_FUNC_ENTRY
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TAtCommandParser::TCommandHandlerType cmdHandlerType = iATCmdParser.CommandHandlerType();
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switch (cmdHandlerType)
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{
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case (TAtCommandParser::ECmdHandlerTypeTest):
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{
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// Get supported passwords with max. length of them. AT+CPWD=?
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// return hardcoded supported password with max. length
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_LIT8(KCPWDTestValue, "\r\n+CPWD: (\"PS\",10),(\"SC\",8),(\"AB\",4),(\"P2\",8)\r\n\r\nOK\r\n");
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iCallback->CreateReplyAndComplete( EReplyTypeOther, KCPWDTestValue );
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break;
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}
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case (TAtCommandParser::ECmdHandlerTypeSet):
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{
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// Change password. AT+CPWD="nn","xxxx","yyyy"
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ChangePassword();
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break;
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}
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default:
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{
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iCallback->CreateReplyAndComplete(EReplyTypeError);
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}
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}
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TRACE_FUNC_EXIT
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}
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void CCPWDCommandHandler::HandleCommandCancel()
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{
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TRACE_FUNC_ENTRY
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Cancel();
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TRACE_FUNC_EXIT
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}
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void CCPWDCommandHandler::ChangePassword()
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{
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TRACE_FUNC_ENTRY
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// Get parameters from AT command
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TInt ret1;
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TInt ret2;
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TInt ret3;
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TPtrC8 passwordType = iATCmdParser.NextTextParam(ret1);
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TPtrC8 oldPassword = iATCmdParser.NextTextParam(ret2);
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TPtrC8 newPassword = iATCmdParser.NextTextParam(ret3);
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if(ret1 != KErrNone || ret2 != KErrNone || ret3 != KErrNone
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|| iATCmdParser.NextParam().Compare(KNullDesC8) != 0)
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{
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Trace(KDbgStr, "invalid arguments");
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iCallback->CreateReplyAndComplete( EReplyTypeError);
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TRACE_FUNC_EXIT
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return;
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}
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if(passwordType.Compare(KATCPWDPS) == 0) // Phone lock
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{
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// "PS" PH-SIM (lock PHone to SIM/UICC card) (MT asks password when other than current SIM/UICC card
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// inserted; MT may remember certain amount of previously used cards thus not requiring password when they
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// are inserted)
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RMobilePhone::TMobilePhonePasswordChangeV1 passwordChange;
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// Phone lock password is hashed in RSPClient and NokiaTSY. See CSCPServer::HashISACode() for details.
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TBuf8<KSCPMaxHashLength> hashOldPwd;
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TBuf8<KSCPMaxHashLength> hashNewPwd;
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iATCmdParser.HashSecurityCode(oldPassword, hashOldPwd);
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iATCmdParser.HashSecurityCode(newPassword, hashNewPwd);
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ChangeSecurityCode(RMobilePhone::ESecurityCodePhonePassword, hashOldPwd, hashNewPwd);
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}
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else if(passwordType.Compare(KATCPWDSC) == 0) // SIM pin
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{
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// "SC" SIM (lock SIM/UICC card) (SIM/UICC asks password in MT power-up and when this lock command
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// issued)
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// todo: if it is required to return +CME code according to SIM Lock status,
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// should check SIM Lock is on here and return an error if it is off.
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ChangeSecurityCode(RMobilePhone::ESecurityCodePin1, oldPassword, newPassword);
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}
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else if(passwordType.Compare(KATCPWDP2) == 0) // SIM pin2
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{
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ChangeSecurityCode(RMobilePhone::ESecurityCodePin2, oldPassword, newPassword);
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}
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else if(passwordType.Compare(KATCPWDAB) == 0) // All Barring services
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{
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// "AB" All Barring services (refer 3GPP TS 22.030 [19]) (applicable only for <mode>=0)
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RMobilePhone::TMobilePhonePasswordChangeV2 passwordChange;
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passwordChange.iOldPassword.Copy(oldPassword);
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passwordChange.iNewPassword.Copy(newPassword);
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passwordChange.iVerifiedPassword.Copy(newPassword);
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RMobilePhone::TMobilePhonePasswordChangeV2Pckg pwdPckg ( passwordChange );
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// The current S60 use SetSSPassword for All Barring services code.
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// see CPsetCallBarring::ChangePasswordL for details.
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iPhone.SetSSPassword(iStatus, pwdPckg, KPsetAllSSServices);
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iPendingEvent = EMobilePhoneSetSSPassword;
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SetActive();
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}
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else // other unsupported arguments
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{
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Trace(KDbgTDes, "unknown password type:", &passwordType);
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iCallback->CreateCMEReplyAndComplete(KErrUnknown);
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}
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TRACE_FUNC_EXIT
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return;
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}
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void CCPWDCommandHandler::RunL()
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{
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TRACE_FUNC_ENTRY
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if (iStatus.Int() == KErrNone)
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{ // complete without error
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Trace(KDbgStr, "complete OK." );
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iCallback->CreateReplyAndComplete( EReplyTypeOk );
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}
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else
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{ // if there is an error
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iCallback->CreateCMEReplyAndComplete(iStatus.Int());
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}
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TRACE_FUNC_EXIT
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}
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void CCPWDCommandHandler::DoCancel()
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{
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TRACE_FUNC_ENTRY
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Trace(KDbgStr, "Request cancelled." );
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iPhone.CancelAsyncRequest(iPendingEvent);
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TRACE_FUNC_EXIT
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}
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void CCPWDCommandHandler::ChangeSecurityCode(RMobilePhone::TMobilePhoneSecurityCode aType, TDesC8& aOldPassword, TDesC8& aNewPassword)
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{
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RMobilePhone::TMobilePhonePasswordChangeV1 passwordChange;
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passwordChange.iOldPassword.Copy(aOldPassword);
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passwordChange.iNewPassword.Copy(aNewPassword);
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iPhone.ChangeSecurityCode(iStatus, aType, passwordChange);
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iPendingEvent = EMobilePhoneChangeSecurityCode;
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SetActive();
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}
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