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

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Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2014-06-25 21:19:53 +01:00 committed by Greg Kroah-Hartman
parent 08a9001544
commit 3f530ded0f
5 changed files with 0 additions and 137 deletions
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1
drivers/staging/vt6656/Makefile
View file

@ -12,7 +12,6 @@ vt6656_stage-y += main_usb.o \
dpc.o \
power.o \
datarate.o \
rc4.o \
tether.o \
key.o \
rf.o \

1
drivers/staging/vt6656/card.c
View file

@ -54,7 +54,6 @@
#include "rf.h"
#include "power.h"
#include "key.h"
#include "rc4.h"
#include "datarate.h"
#include "usbpipe.h"

2
drivers/staging/vt6656/device.h
View file

@ -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;

87
drivers/staging/vt6656/rc4.c
View file

@ -1,87 +0,0 @@
/*
* 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));
}

46
drivers/staging/vt6656/rc4.h
View file

@ -1,46 +0,0 @@
/*
* 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__ */