1 /*******************************************************************************
2  * Agere Systems Inc.
3  * Wireless device driver for Linux (wlags49).
4  *
5  * Copyright (c) 1998-2003 Agere Systems Inc.
6  * All rights reserved.
7  *   http://www.agere.com
8  *
9  * Initially developed by TriplePoint, Inc.
10  *   http://www.triplepoint.com
11  *
12  *------------------------------------------------------------------------------
13  *
14  *   Header for performing coding/decoding of the WEP keys.
15  *
16  *------------------------------------------------------------------------------
17  *
18  * SOFTWARE LICENSE
19  *
20  * This software is provided subject to the following terms and conditions,
21  * which you should read carefully before using the software.  Using this
22  * software indicates your acceptance of these terms and conditions.  If you do
23  * not agree with these terms and conditions, do not use the software.
24  *
25  * Copyright � 2003 Agere Systems Inc.
26  * All rights reserved.
27  *
28  * Redistribution and use in source or binary forms, with or without
29  * modifications, are permitted provided that the following conditions are met:
30  *
31  * . Redistributions of source code must retain the above copyright notice, this
32  *    list of conditions and the following Disclaimer as comments in the code as
33  *    well as in the documentation and/or other materials provided with the
34  *    distribution.
35  *
36  * . Redistributions in binary form must reproduce the above copyright notice,
37  *    this list of conditions and the following Disclaimer in the documentation
38  *    and/or other materials provided with the distribution.
39  *
40  * . Neither the name of Agere Systems Inc. nor the names of the contributors
41  *    may be used to endorse or promote products derived from this software
42  *    without specific prior written permission.
43  *
44  * Disclaimer
45  *
46  * THIS SOFTWARE IS PROVIDED �AS IS� AND ANY EXPRESS OR IMPLIED WARRANTIES,
47  * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
48  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
49  * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
50  * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
51  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
52  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
53  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
54  * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
56  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
57  * DAMAGE.
58  *
59  ******************************************************************************/
60 
61 #ifndef __WAVELAN2_ENCRYPTION_H__
62 #define __WAVELAN2_ENCRYPTION_H__
63 
64 
65 
66 
67 /*******************************************************************************
68  * constant definitions
69  ******************************************************************************/
70 #define CRYPT_CODE					"57617665A5D6"
71 #define ENCRYPTION_LEN				102
72 #define ENCRYPTION_MAGIC			0x48576877L	// HWhw
73 #define DEF_CRYPT_STR				"G?TIUEA]d5MAdZV'eUb&&6.)'&:,'VF/(FR2)6^5*'*8*W6;+GB>,7NA-'ZD-X&G.H2J/8>M0(JP0XVS1HbV29.Y3):\\3YF_4IRb56"
74 
75 #define DEFAULT_CRYPT_MAC			"W\x01\x6B\x66\xA5\x5A"
76 #define CH_START					'&'
77 #define MACADDRESS_STR_LEN			12
78 
79 #define KEY_LEN                     14
80 #define NUM_KEYS                    4
81 
82 #define KEY_LENGTH_NONE_ASCII       0
83 #define KEY_LENGTH_64_BIT_ASCII     5
84 #define KEY_LENGTH_128_BIT_ASCII    13
85 
86 #define KEY_LENGTH_NONE_HEX         ( KEY_LENGTH_NONE_ASCII    * sizeof( unsigned short ))
87 #define KEY_LENGTH_64_BIT_HEX       ( KEY_LENGTH_64_BIT_ASCII  * sizeof( unsigned short ))
88 #define KEY_LENGTH_128_BIT_HEX      ( KEY_LENGTH_128_BIT_ASCII * sizeof( unsigned short ))
89 
90 
91 
92 
93 /*******************************************************************************
94  * type definitions
95  ******************************************************************************/
96 typedef struct _encstct
97 {
98 	hcf_32	                   dwMagic;
99 	hcf_16	                   wTxKeyID;
100 	hcf_16	                   wEnabled;
101 	CFG_DEFAULT_KEYS_STRCT     EncStr;
102 }
103 ENCSTRCT, *PENCSTRCT;
104 
105 
106 
107 
108 /*******************************************************************************
109  * function prrottypes
110  ******************************************************************************/
111 int wl_wep_code( char *szCrypt, char *szDest, void *Data, int nLen );
112 
113 int wl_wep_decode( char *szCrypt, void *Dest, char *szData );
114 
115 
116 
117 
118 #endif  // __WAVELAN2_ENCRYPTION_H__
119