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-rw-r--r--drivers/staging/vt6655/rc4.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/drivers/staging/vt6655/rc4.c b/drivers/staging/vt6655/rc4.c
deleted file mode 100644
index b7819bc702de..000000000000
--- a/drivers/staging/vt6655/rc4.c
+++ /dev/null
@@ -1,88 +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, unsigned char *pbyKey, unsigned int cbKey_len)
-{
- unsigned int ust1, ust2;
- unsigned int keyindex;
- unsigned int stateindex;
- unsigned char *pbyst;
- unsigned int idx;
-
- pbyst = pRC4->abystate;
- pRC4->ux = 0;
- pRC4->uy = 0;
- for (idx = 0; idx < 256; idx++)
- pbyst[idx] = (unsigned char)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] = (unsigned char)ust1;
- pbyst[idx] = (unsigned char)ust2;
- if (++keyindex >= cbKey_len)
- keyindex = 0;
- }
-}
-
-unsigned int rc4_byte(PRC4Ext pRC4)
-{
- unsigned int ux;
- unsigned int uy;
- unsigned int ustx, usty;
- unsigned char *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] = (unsigned char)ustx;
- pbyst[ux] = (unsigned char)usty;
-
- return pbyst[(ustx + usty) & 0xff];
-}
-
-void rc4_encrypt(PRC4Ext pRC4, unsigned char *pbyDest,
- unsigned char *pbySrc, unsigned int cbData_len)
-{
- unsigned int ii;
-
- for (ii = 0; ii < cbData_len; ii++)
- pbyDest[ii] = (unsigned char)(pbySrc[ii] ^ rc4_byte(pRC4));
-}