Initial file dump from open source releaseHEADmaster

1 files changed, 232 insertions, 0 deletions

diff --git a/drivers/staging/wlags49_h2/wl_enc.c b/drivers/staging/wlags49_h2/wl_enc.c
new file mode 100644
index 00000000..51293d9f
--- /dev/null
+++ b/drivers/staging/wlags49_h2/wl_enc.c
@@ -0,0 +1,232 @@
+
+/*******************************************************************************
+ * Agere Systems Inc.
+ * Wireless device driver for Linux (wlags49).
+ *
+ * Copyright (c) 1998-2003 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ * Initially developed by TriplePoint, Inc.
+ *   http://www.triplepoint.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ *   This file defines functions related to WEP key coding/decoding.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2003 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ ******************************************************************************/
+
+/*******************************************************************************
+ *  include files
+ ******************************************************************************/
+#include <linux/string.h>
+#include <wl_version.h>
+
+#include <debug.h>
+#include <hcf.h>
+
+#include <wl_enc.h>
+
+
+
+
+/*******************************************************************************
+ *  global definitions
+ ******************************************************************************/
+#if DBG
+
+extern dbg_info_t *DbgInfo;
+
+#endif  /* DBG */
+
+
+
+
+/*******************************************************************************
+ *	wl_wep_code()
+ *******************************************************************************
+ *
+ *  DESCRIPTION:
+ *
+ *      This function encodes a set of wep keys for privacy
+ *
+ *  PARAMETERS:
+ *
+ *      szCrypt -
+ *      szDest  -
+ *      Data    -
+ *      nLen    -
+ *
+ *  RETURNS:
+ *
+ *      OK
+ *
+ ******************************************************************************/
+int wl_wep_code(char *szCrypt, char *szDest, void *Data, int nLen)
+{
+	int     i;
+	int     t;
+	int     k ;
+	char    bits;
+	char    *szData = (char *) Data;
+	/*------------------------------------------------------------------------*/
+
+
+	for (i = bits = 0; i < MACADDRESS_STR_LEN; i++) {
+		bits ^= szCrypt[i];
+		bits += szCrypt[i];
+	}
+
+	for (i = t = *szDest = 0; i < nLen; i++, t++) {
+		k = szData[i] ^ (bits + i);
+
+
+	switch (i % 3) {
+
+	case 0:
+
+		szDest[t]   = ((k & 0xFC) >> 2) + CH_START ;
+		szDest[t+1] = ((k & 0x03) << 4) + CH_START ;
+		szDest[t+2] = '\0';
+
+		break;
+
+
+	case 1:
+
+		szDest[t]  += ((k & 0xF0) >> 4);
+		szDest[t+1] = ((k & 0x0F) << 2) + CH_START ;
+		szDest[t+2] = '\0';
+
+		break;
+
+
+	case 2:
+
+		szDest[t]  += ((k & 0xC0) >> 6);
+		szDest[t+1] = (k & 0x3F) + CH_START ;
+		szDest[t+2] = '\0';
+		t++;
+
+		break;
+	}
+	}
+
+	return strlen(szDest);
+
+}
+/*============================================================================*/
+
+
+
+
+/*******************************************************************************
+ *	wl_wep_decode()
+ *******************************************************************************
+ *
+ *  DESCRIPTION:
+ *
+ *      This function decodes a set of WEP keys for use by the card.
+ *
+ *  PARAMETERS:
+ *
+ *      szCrypt -
+ *      szDest  -
+ *      Data    -
+ *
+ *  RETURNS:
+ *
+ *      OK
+ *
+ ******************************************************************************/
+int wl_wep_decode(char *szCrypt, void *Dest, char *szData)
+{
+	int     i;
+	int     t;
+	int     nLen;
+	char    bits;
+	char    *szDest = Dest;
+	/*------------------------------------------------------------------------*/
+
+
+	for (i = bits = 0; i < 12; i++) {
+		bits ^= szCrypt[i] ;
+		bits += szCrypt[i] ;
+	}
+
+	nLen = (strlen(szData) * 3) / 4 ;
+
+	for (i = t = 0; i < nLen; i++, t++) {
+		switch (i % 3) {
+		case 0:
+
+			szDest[i] = (((szData[t] - CH_START) & 0x3f) << 2) +
+				    (((szData[t+1] - CH_START) & 0x30) >> 4);
+			break;
+
+
+		case 1:
+			szDest[i] = (((szData[t] - CH_START) & 0x0f) << 4) +
+				    (((szData[t+1] - CH_START) & 0x3c) >> 2);
+			break;
+
+
+		case 2:
+			szDest[i] = (((szData[t] - CH_START) & 0x03) << 6) +
+				     ((szData[t+1] - CH_START) & 0x3f);
+			t++;
+			break;
+		}
+
+		szDest[i] ^= (bits + i);
+
+	}
+
+	return i;
+
+}
+/*============================================================================*/
+