7 const unsigned int crc32_tab
[] = {
8 0x00000000L
, 0x77073096L
, 0xee0e612cL
, 0x990951baL
, 0x076dc419L
,
9 0x706af48fL
, 0xe963a535L
, 0x9e6495a3L
, 0x0edb8832L
, 0x79dcb8a4L
,
10 0xe0d5e91eL
, 0x97d2d988L
, 0x09b64c2bL
, 0x7eb17cbdL
, 0xe7b82d07L
,
11 0x90bf1d91L
, 0x1db71064L
, 0x6ab020f2L
, 0xf3b97148L
, 0x84be41deL
,
12 0x1adad47dL
, 0x6ddde4ebL
, 0xf4d4b551L
, 0x83d385c7L
, 0x136c9856L
,
13 0x646ba8c0L
, 0xfd62f97aL
, 0x8a65c9ecL
, 0x14015c4fL
, 0x63066cd9L
,
14 0xfa0f3d63L
, 0x8d080df5L
, 0x3b6e20c8L
, 0x4c69105eL
, 0xd56041e4L
,
15 0xa2677172L
, 0x3c03e4d1L
, 0x4b04d447L
, 0xd20d85fdL
, 0xa50ab56bL
,
16 0x35b5a8faL
, 0x42b2986cL
, 0xdbbbc9d6L
, 0xacbcf940L
, 0x32d86ce3L
,
17 0x45df5c75L
, 0xdcd60dcfL
, 0xabd13d59L
, 0x26d930acL
, 0x51de003aL
,
18 0xc8d75180L
, 0xbfd06116L
, 0x21b4f4b5L
, 0x56b3c423L
, 0xcfba9599L
,
19 0xb8bda50fL
, 0x2802b89eL
, 0x5f058808L
, 0xc60cd9b2L
, 0xb10be924L
,
20 0x2f6f7c87L
, 0x58684c11L
, 0xc1611dabL
, 0xb6662d3dL
, 0x76dc4190L
,
21 0x01db7106L
, 0x98d220bcL
, 0xefd5102aL
, 0x71b18589L
, 0x06b6b51fL
,
22 0x9fbfe4a5L
, 0xe8b8d433L
, 0x7807c9a2L
, 0x0f00f934L
, 0x9609a88eL
,
23 0xe10e9818L
, 0x7f6a0dbbL
, 0x086d3d2dL
, 0x91646c97L
, 0xe6635c01L
,
24 0x6b6b51f4L
, 0x1c6c6162L
, 0x856530d8L
, 0xf262004eL
, 0x6c0695edL
,
25 0x1b01a57bL
, 0x8208f4c1L
, 0xf50fc457L
, 0x65b0d9c6L
, 0x12b7e950L
,
26 0x8bbeb8eaL
, 0xfcb9887cL
, 0x62dd1ddfL
, 0x15da2d49L
, 0x8cd37cf3L
,
27 0xfbd44c65L
, 0x4db26158L
, 0x3ab551ceL
, 0xa3bc0074L
, 0xd4bb30e2L
,
28 0x4adfa541L
, 0x3dd895d7L
, 0xa4d1c46dL
, 0xd3d6f4fbL
, 0x4369e96aL
,
29 0x346ed9fcL
, 0xad678846L
, 0xda60b8d0L
, 0x44042d73L
, 0x33031de5L
,
30 0xaa0a4c5fL
, 0xdd0d7cc9L
, 0x5005713cL
, 0x270241aaL
, 0xbe0b1010L
,
31 0xc90c2086L
, 0x5768b525L
, 0x206f85b3L
, 0xb966d409L
, 0xce61e49fL
,
32 0x5edef90eL
, 0x29d9c998L
, 0xb0d09822L
, 0xc7d7a8b4L
, 0x59b33d17L
,
33 0x2eb40d81L
, 0xb7bd5c3bL
, 0xc0ba6cadL
, 0xedb88320L
, 0x9abfb3b6L
,
34 0x03b6e20cL
, 0x74b1d29aL
, 0xead54739L
, 0x9dd277afL
, 0x04db2615L
,
35 0x73dc1683L
, 0xe3630b12L
, 0x94643b84L
, 0x0d6d6a3eL
, 0x7a6a5aa8L
,
36 0xe40ecf0bL
, 0x9309ff9dL
, 0x0a00ae27L
, 0x7d079eb1L
, 0xf00f9344L
,
37 0x8708a3d2L
, 0x1e01f268L
, 0x6906c2feL
, 0xf762575dL
, 0x806567cbL
,
38 0x196c3671L
, 0x6e6b06e7L
, 0xfed41b76L
, 0x89d32be0L
, 0x10da7a5aL
,
39 0x67dd4accL
, 0xf9b9df6fL
, 0x8ebeeff9L
, 0x17b7be43L
, 0x60b08ed5L
,
40 0xd6d6a3e8L
, 0xa1d1937eL
, 0x38d8c2c4L
, 0x4fdff252L
, 0xd1bb67f1L
,
41 0xa6bc5767L
, 0x3fb506ddL
, 0x48b2364bL
, 0xd80d2bdaL
, 0xaf0a1b4cL
,
42 0x36034af6L
, 0x41047a60L
, 0xdf60efc3L
, 0xa867df55L
, 0x316e8eefL
,
43 0x4669be79L
, 0xcb61b38cL
, 0xbc66831aL
, 0x256fd2a0L
, 0x5268e236L
,
44 0xcc0c7795L
, 0xbb0b4703L
, 0x220216b9L
, 0x5505262fL
, 0xc5ba3bbeL
,
45 0xb2bd0b28L
, 0x2bb45a92L
, 0x5cb36a04L
, 0xc2d7ffa7L
, 0xb5d0cf31L
,
46 0x2cd99e8bL
, 0x5bdeae1dL
, 0x9b64c2b0L
, 0xec63f226L
, 0x756aa39cL
,
47 0x026d930aL
, 0x9c0906a9L
, 0xeb0e363fL
, 0x72076785L
, 0x05005713L
,
48 0x95bf4a82L
, 0xe2b87a14L
, 0x7bb12baeL
, 0x0cb61b38L
, 0x92d28e9bL
,
49 0xe5d5be0dL
, 0x7cdcefb7L
, 0x0bdbdf21L
, 0x86d3d2d4L
, 0xf1d4e242L
,
50 0x68ddb3f8L
, 0x1fda836eL
, 0x81be16cdL
, 0xf6b9265bL
, 0x6fb077e1L
,
51 0x18b74777L
, 0x88085ae6L
, 0xff0f6a70L
, 0x66063bcaL
, 0x11010b5cL
,
52 0x8f659effL
, 0xf862ae69L
, 0x616bffd3L
, 0x166ccf45L
, 0xa00ae278L
,
53 0xd70dd2eeL
, 0x4e048354L
, 0x3903b3c2L
, 0xa7672661L
, 0xd06016f7L
,
54 0x4969474dL
, 0x3e6e77dbL
, 0xaed16a4aL
, 0xd9d65adcL
, 0x40df0b66L
,
55 0x37d83bf0L
, 0xa9bcae53L
, 0xdebb9ec5L
, 0x47b2cf7fL
, 0x30b5ffe9L
,
56 0xbdbdf21cL
, 0xcabac28aL
, 0x53b39330L
, 0x24b4a3a6L
, 0xbad03605L
,
57 0xcdd70693L
, 0x54de5729L
, 0x23d967bfL
, 0xb3667a2eL
, 0xc4614ab8L
,
58 0x5d681b02L
, 0x2a6f2b94L
, 0xb40bbe37L
, 0xc30c8ea1L
, 0x5a05df1bL
,
64 void initWepState(void)
68 for (i
=0; i
<256; i
++){
88 U8 keylen
= Wep_Key_Len
+ 3;
94 for (i
=0; i
<256; i
++){
95 if ((i
&(keylen
-1)) < 3)
96 S2
[i
] = Wep_Iv
[i
& (keylen
-1)];
98 S2
[i
] = Wep_Key
[(i
& (keylen
-1)) - 3];
104 for (i
=0; i
<256; i
++){
105 j
= (j
+ Se
[i
] + S2
[i
]) ;
108 // Swap S[i] and S[j]
116 for (ui
=0; ui
<Num_Bytes
; ui
++){
122 // Swap S[i] and S[j]
126 // temp = (S[i] + temp) & 255;
129 K
= Se
[temp
]; // Key used to Xor with input data
131 *Icv
= (*Icv
>> 8) ^ crc32_tab
[(*Icv
^ *In
) & 0xff];
133 *Out
= *In
^ K
; // XOR
136 } //End of for (ui = 0; ui < Num_Bytes; ui++)
140 for (ui
=0; ui
<4; ui
++){
146 // Swap S[i] and S[j]
152 K
= Se
[temp
]; // Key used to Xor with input data
154 *Out
++ = (U8
) (ltemp
^ K
) & 0xff;
160 BOOLEAN
zd_DecryptData (
164 U16 Num_Bytes
, //include IVC
166 U8
* Outbuf
, //the same with InBuf
173 U8 keylen
= Wep_Key_Len
+ 3;
179 for (i
=0; i
<256; i
++){
180 if ((i
&(keylen
-1)) < 3)
181 S2
[i
] = Wep_Iv
[i
&(keylen
-1)];
183 S2
[i
] = Wep_Key
[(i
&(keylen
-1))-3];
189 for (i
=0; i
<256; i
++){
190 j
= (j
+ Sd
[i
] + S2
[i
]) & 255;
191 // Swap S[i] and S[j]
198 // Decrypt Decrypted Data and Decrypted ICV
199 for (ui
= 0; ui
< Num_Bytes
; ui
++){
205 // Swap S[i] and S[j]
211 K
= Sd
[temp
]; // Key used to Xor with input data
213 *Out
= *In
^ K
; // decrypt
216 } //End of for (ui = 0; ui < Num_Bytes; ui++)
218 // Inverse Decrypted ICV
219 Outbuf
[Num_Bytes
-4] = ~Outbuf
[Num_Bytes
-4];
220 Outbuf
[Num_Bytes
-3] = ~Outbuf
[Num_Bytes
-3];
221 Outbuf
[Num_Bytes
-2] = ~Outbuf
[Num_Bytes
-2];
222 Outbuf
[Num_Bytes
-1] = ~Outbuf
[Num_Bytes
-1];
226 for (ui
= 0; ui
< Num_Bytes
; ui
++){
227 *Icv
= (*Icv
>>8) ^ crc32_tab
[(*Icv
^ Outbuf
[ui
]) & 0xff];