Commit 3f530ded authored by Malcolm Priestley's avatar Malcolm Priestley Committed by Greg Kroah-Hartman
Browse files

staging: vt6656: dead code remove rc4.c/h 



Signed-off-by: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 08a90015

drivers/staging/vt6656/Makefile

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@@ -12,7 +12,6 @@ vt6656_stage-y += main_usb.o \ 
			dpc.o \

			power.o \

			datarate.o \

			rc4.o \

			tether.o \

			key.o \

			rf.o \

drivers/staging/vt6656/card.c

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Original line number Diff line number Diff line
@@ -54,7 +54,6 @@ 
#include "rf.h"

#include "power.h"

#include "key.h"

#include "rc4.h"

#include "datarate.h"

#include "usbpipe.h"

drivers/staging/vt6656/device.h

+0 −2
Original line number Diff line number Diff line
@@ -77,7 +77,6 @@ 
#include "tether.h"

#include "wmgr.h"

#include "wcmd.h"

#include "rc4.h"

#include "desc.h"

#include "key.h"

#include "card.h"
@@ -640,7 +639,6 @@ struct vnt_private { 
	SKeyManagement sKey;

	u32 dwIVCounter;



	RC4Ext SBox;

	u8 abyPRNG[WLAN_WEPMAX_KEYLEN+3];

	u8 byKeyIndex;

drivers/staging/vt6656/rc4.c

deleted100644 → 0
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/*

 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.

 * All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License along

 * with this program; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * File: rc4.c

 *

 * Purpose:

 *

 * Functions:

 *

 * Revision History:

 *

 * Author: Kyle Hsu

 *

 * Date: Sep 4, 2002

 *

 */



#include "rc4.h"



void rc4_init(PRC4Ext pRC4, u8 * pbyKey, unsigned int cbKey_len)

{

	unsigned int  ust1, ust2;

	unsigned int  keyindex;

	unsigned int  stateindex;

	u8 * pbyst;

	unsigned int  idx;



	pbyst = pRC4->abystate;

	pRC4->ux = 0;

	pRC4->uy = 0;

	for (idx = 0; idx < 256; idx++)

		pbyst[idx] = (u8)idx;

	keyindex = 0;

	stateindex = 0;

	for (idx = 0; idx < 256; idx++) {

		ust1 = pbyst[idx];

		stateindex = (stateindex + pbyKey[keyindex] + ust1) & 0xff;

		ust2 = pbyst[stateindex];

		pbyst[stateindex] = (u8)ust1;

		pbyst[idx] = (u8)ust2;

		if (++keyindex >= cbKey_len)

			keyindex = 0;

	}

}



unsigned int rc4_byte(PRC4Ext pRC4)

{

	unsigned int ux;

	unsigned int uy;

	unsigned int ustx, usty;

	u8 * pbyst;



	pbyst = pRC4->abystate;

	ux = (pRC4->ux + 1) & 0xff;

	ustx = pbyst[ux];

	uy = (ustx + pRC4->uy) & 0xff;

	usty = pbyst[uy];

	pRC4->ux = ux;

	pRC4->uy = uy;

	pbyst[uy] = (u8)ustx;

	pbyst[ux] = (u8)usty;



	return pbyst[(ustx + usty) & 0xff];

}



void rc4_encrypt(PRC4Ext pRC4, u8 * pbyDest,

			u8 * pbySrc, unsigned int cbData_len)

{

	unsigned int ii;

	for (ii = 0; ii < cbData_len; ii++)

		pbyDest[ii] = (u8)(pbySrc[ii] ^ rc4_byte(pRC4));

}

drivers/staging/vt6656/rc4.h

deleted100644 → 0
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Original line number Diff line number Diff line 
/*

 * File: rc4.h

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License along

 * with this program; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Purpose:

 *

 * Functions:

 *

 * Revision History:

 *

 * Author: Kyle Hsu

 *

 * Date: Sep 4, 2002

 *

 */



#ifndef __RC4_H__

#define __RC4_H__



#include <linux/types.h>



typedef struct {

    unsigned int ux;

    unsigned int uy;

    u8 abystate[256];

} RC4Ext, *PRC4Ext;



void rc4_init(PRC4Ext pRC4, u8 * pbyKey, unsigned int cbKey_len);

unsigned int rc4_byte(PRC4Ext pRC4);

void rc4_encrypt(PRC4Ext pRC4, u8 * pbyDest, u8 * pbySrc,

		 unsigned int cbData_len);



#endif /* __RC4_H__ */