diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-19 17:48:32 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-19 17:48:32 -0700 |
commit | fb20871a54961b82d35303b43452928186c1361d (patch) | |
tree | 1beeb39e45eda1c8b5893090904b583fceeb07ef /drivers/staging/rt3070/common/rtmp_wep.c | |
parent | bee89ab228e6f51c4ddd3481b9bd491859a8ee7b (diff) | |
parent | c7a5d70796379e3d51d0c652fbe1634b81d3bbd5 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (342 commits)
Staging: comedi: fix build errors
Staging: udlfb: update to version 0.2.3
Staging: udlfb: fix some sparse warnings.
Staging: udlfb: clean up checkpatch warnings in udlfb.c
Staging: udlfb: clean up checkpatch warnings in udlfb.h
Staging: udlfb: add udlfb driver to build
Staging: add udlfb driver
Staging: pata_rdc: remove pointless comments
Staging: pata_rdc: remove DRIVER macros
Staging: pata_rdc: remove dbgprintf macro
Staging: pata_rdc: remove broken flag
Staging: pata_rdc: fix build warnings
Staging: pata_rdc: use PCI_DEVICE
Staging: pata_rdc: remove function prototypes
Staging: pata_rdc: coding style fixes
Staging: pata_rdc: convert code to work in 2.6.29
Staging: pata_rdc: add driver to the build system
Staging: add pata_rdc driver
Staging: remove obsolete serqt_usb driver
Staging: serqt_usb2 add the driver to the build
...
Diffstat (limited to 'drivers/staging/rt3070/common/rtmp_wep.c')
-rw-r--r-- | drivers/staging/rt3070/common/rtmp_wep.c | 509 |
1 files changed, 1 insertions, 508 deletions
diff --git a/drivers/staging/rt3070/common/rtmp_wep.c b/drivers/staging/rt3070/common/rtmp_wep.c index f5f0a3bb17e..71979856e11 100644 --- a/drivers/staging/rt3070/common/rtmp_wep.c +++ b/drivers/staging/rt3070/common/rtmp_wep.c @@ -1,508 +1 @@ -/* - ************************************************************************* - * Ralink Tech Inc. - * 5F., No.36, Taiyuan St., Jhubei City, - * Hsinchu County 302, - * Taiwan, R.O.C. - * - * (c) Copyright 2002-2007, Ralink Technology, Inc. - * - * 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., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * * - ************************************************************************* - - Module Name: - rtmp_wep.c - - Abstract: - - Revision History: - Who When What - -------- ---------- ---------------------------------------------- - Paul Wu 10-28-02 Initial -*/ - -#include "../rt_config.h" - -UINT FCSTAB_32[256] = -{ - 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, - 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, - 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, - 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, - 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, - 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, - 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, - 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, - 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, - 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, - 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, - 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, - 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, - 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, - 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, - 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, - 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, - 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, - 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, - 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, - 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, - 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, - 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, - 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, - 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, - 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, - 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, - 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, - 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, - 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, - 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, - 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, - 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, - 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, - 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, - 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, - 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, - 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, - 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, - 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, - 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, - 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, - 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, - 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, - 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, - 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, - 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, - 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, - 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, - 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, - 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, - 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, - 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, - 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, - 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, - 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, - 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, - 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, - 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, - 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, - 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, - 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, - 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, - 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d -}; - -/* -UCHAR WEPKEY[] = { - //IV - 0x00, 0x11, 0x22, - //WEP KEY - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC - }; - */ - -/* - ======================================================================== - - Routine Description: - Init WEP function. - - Arguments: - pAd Pointer to our adapter - pKey Pointer to the WEP KEY - KeyId WEP Key ID - KeyLen the length of WEP KEY - pDest Pointer to the destination which Encryption data will store in. - - Return Value: - None - - IRQL = DISPATCH_LEVEL - - Note: - - ======================================================================== -*/ -VOID RTMPInitWepEngine( - IN PRTMP_ADAPTER pAd, - IN PUCHAR pKey, - IN UCHAR KeyId, - IN UCHAR KeyLen, - IN OUT PUCHAR pDest) -{ - UINT i; - UCHAR WEPKEY[] = { - //IV - 0x00, 0x11, 0x22, - //WEP KEY - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC - }; - - pAd->PrivateInfo.FCSCRC32 = PPPINITFCS32; //Init crc32. - -#ifdef CONFIG_STA_SUPPORT - if (pAd->StaCfg.bCkipOn && (pAd->StaCfg.CkipFlag & 0x10) && (pAd->OpMode == OPMODE_STA)) - { - ARCFOUR_INIT(&pAd->PrivateInfo.WEPCONTEXT, pKey, KeyLen); //INIT SBOX, KEYLEN+3(IV) - NdisMoveMemory(pDest, pKey, 3); //Append Init Vector - } - else -#endif // CONFIG_STA_SUPPORT // - { - NdisMoveMemory(WEPKEY + 3, pKey, KeyLen); - - for(i = 0; i < 3; i++) - WEPKEY[i] = RandomByte(pAd); //Call mlme RandomByte() function. - ARCFOUR_INIT(&pAd->PrivateInfo.WEPCONTEXT, WEPKEY, KeyLen + 3); //INIT SBOX, KEYLEN+3(IV) - - NdisMoveMemory(pDest, WEPKEY, 3); //Append Init Vector - } - *(pDest+3) = (KeyId << 6); //Append KEYID - -} - -/* - ======================================================================== - - Routine Description: - Encrypt transimitted data - - Arguments: - pAd Pointer to our adapter - pSrc Pointer to the transimitted source data that will be encrypt - pDest Pointer to the destination where entryption data will be store in. - Len Indicate the length of the source data - - Return Value: - None - - IRQL = DISPATCH_LEVEL - - Note: - - ======================================================================== -*/ -VOID RTMPEncryptData( - IN PRTMP_ADAPTER pAd, - IN PUCHAR pSrc, - IN PUCHAR pDest, - IN UINT Len) -{ - pAd->PrivateInfo.FCSCRC32 = RTMP_CALC_FCS32(pAd->PrivateInfo.FCSCRC32, pSrc, Len); - ARCFOUR_ENCRYPT(&pAd->PrivateInfo.WEPCONTEXT, pDest, pSrc, Len); -} - - -/* - ======================================================================== - - Routine Description: - Decrypt received WEP data - - Arguments: - pAdapter Pointer to our adapter - pSrc Pointer to the received data - Len the length of the received data - - Return Value: - TRUE Decrypt WEP data success - FALSE Decrypt WEP data failed - - Note: - - ======================================================================== -*/ -BOOLEAN RTMPSoftDecryptWEP( - IN PRTMP_ADAPTER pAd, - IN PUCHAR pData, - IN ULONG DataByteCnt, - IN PCIPHER_KEY pGroupKey) -{ - UINT trailfcs; - UINT crc32; - UCHAR KeyIdx; - UCHAR WEPKEY[] = { - //IV - 0x00, 0x11, 0x22, - //WEP KEY - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC - }; - UCHAR *pPayload = (UCHAR *)pData + LENGTH_802_11; - ULONG payload_len = DataByteCnt - LENGTH_802_11; - - NdisMoveMemory(WEPKEY, pPayload, 3); //Get WEP IV - - KeyIdx = (*(pPayload + 3) & 0xc0) >> 6; - if (pGroupKey[KeyIdx].KeyLen == 0) - return (FALSE); - - NdisMoveMemory(WEPKEY + 3, pGroupKey[KeyIdx].Key, pGroupKey[KeyIdx].KeyLen); - ARCFOUR_INIT(&pAd->PrivateInfo.WEPCONTEXT, WEPKEY, pGroupKey[KeyIdx].KeyLen + 3); - ARCFOUR_DECRYPT(&pAd->PrivateInfo.WEPCONTEXT, pPayload, pPayload + 4, payload_len - 4); - NdisMoveMemory(&trailfcs, pPayload + payload_len - 8, 4); - crc32 = RTMP_CALC_FCS32(PPPINITFCS32, pPayload, payload_len - 8); //Skip last 4 bytes(FCS). - crc32 ^= 0xffffffff; /* complement */ - - if(crc32 != cpu2le32(trailfcs)) - { - DBGPRINT(RT_DEBUG_TRACE, ("! WEP Data CRC Error !\n")); //CRC error. - return (FALSE); - } - return (TRUE); -} - -/* - ======================================================================== - - Routine Description: - The Stream Cipher Encryption Algorithm "ARCFOUR" initialize - - Arguments: - Ctx Pointer to ARCFOUR CONTEXT (SBOX) - pKey Pointer to the WEP KEY - KeyLen Indicate the length fo the WEP KEY - - Return Value: - None - - IRQL = DISPATCH_LEVEL - - Note: - - ======================================================================== -*/ -VOID ARCFOUR_INIT( - IN PARCFOURCONTEXT Ctx, - IN PUCHAR pKey, - IN UINT KeyLen) -{ - UCHAR t, u; - UINT keyindex; - UINT stateindex; - PUCHAR state; - UINT counter; - - state = Ctx->STATE; - Ctx->X = 0; - Ctx->Y = 0; - for (counter = 0; counter < 256; counter++) - state[counter] = (UCHAR)counter; - keyindex = 0; - stateindex = 0; - for (counter = 0; counter < 256; counter++) - { - t = state[counter]; - stateindex = (stateindex + pKey[keyindex] + t) & 0xff; - u = state[stateindex]; - state[stateindex] = t; - state[counter] = u; - if (++keyindex >= KeyLen) - keyindex = 0; - } -} - -/* - ======================================================================== - - Routine Description: - Get bytes from ARCFOUR CONTEXT (S-BOX) - - Arguments: - Ctx Pointer to ARCFOUR CONTEXT (SBOX) - - Return Value: - UCHAR - the value of the ARCFOUR CONTEXT (S-BOX) - - Note: - - ======================================================================== -*/ -UCHAR ARCFOUR_BYTE( - IN PARCFOURCONTEXT Ctx) -{ - UINT x; - UINT y; - UCHAR sx, sy; - PUCHAR state; - - state = Ctx->STATE; - x = (Ctx->X + 1) & 0xff; - sx = state[x]; - y = (sx + Ctx->Y) & 0xff; - sy = state[y]; - Ctx->X = x; - Ctx->Y = y; - state[y] = sx; - state[x] = sy; - - return(state[(sx + sy) & 0xff]); - -} - -/* - ======================================================================== - - Routine Description: - The Stream Cipher Decryption Algorithm - - Arguments: - Ctx Pointer to ARCFOUR CONTEXT (SBOX) - pDest Pointer to the Destination - pSrc Pointer to the Source data - Len Indicate the length of the Source data - - Return Value: - None - - Note: - - ======================================================================== -*/ -VOID ARCFOUR_DECRYPT( - IN PARCFOURCONTEXT Ctx, - IN PUCHAR pDest, - IN PUCHAR pSrc, - IN UINT Len) -{ - UINT i; - - for (i = 0; i < Len; i++) - pDest[i] = pSrc[i] ^ ARCFOUR_BYTE(Ctx); -} - -/* - ======================================================================== - - Routine Description: - The Stream Cipher Encryption Algorithm - - Arguments: - Ctx Pointer to ARCFOUR CONTEXT (SBOX) - pDest Pointer to the Destination - pSrc Pointer to the Source data - Len Indicate the length of the Source dta - - Return Value: - None - - IRQL = DISPATCH_LEVEL - - Note: - - ======================================================================== -*/ -VOID ARCFOUR_ENCRYPT( - IN PARCFOURCONTEXT Ctx, - IN PUCHAR pDest, - IN PUCHAR pSrc, - IN UINT Len) -{ - UINT i; - - for (i = 0; i < Len; i++) - pDest[i] = pSrc[i] ^ ARCFOUR_BYTE(Ctx); -} - -/* - ======================================================================== - - Routine Description: - The Stream Cipher Encryption Algorithm which conform to the special requirement to encrypt GTK. - - Arguments: - Ctx Pointer to ARCFOUR CONTEXT (SBOX) - pDest Pointer to the Destination - pSrc Pointer to the Source data - Len Indicate the length of the Source dta - - - ======================================================================== -*/ - -VOID WPAARCFOUR_ENCRYPT( - IN PARCFOURCONTEXT Ctx, - IN PUCHAR pDest, - IN PUCHAR pSrc, - IN UINT Len) -{ - UINT i; - //discard first 256 bytes - for (i = 0; i < 256; i++) - ARCFOUR_BYTE(Ctx); - - for (i = 0; i < Len; i++) - pDest[i] = pSrc[i] ^ ARCFOUR_BYTE(Ctx); -} - - -/* - ======================================================================== - - Routine Description: - Calculate a new FCS given the current FCS and the new data. - - Arguments: - Fcs the original FCS value - Cp pointer to the data which will be calculate the FCS - Len the length of the data - - Return Value: - UINT - FCS 32 bits - - IRQL = DISPATCH_LEVEL - - Note: - - ======================================================================== -*/ -UINT RTMP_CALC_FCS32( - IN UINT Fcs, - IN PUCHAR Cp, - IN INT Len) -{ - while (Len--) - Fcs = (((Fcs) >> 8) ^ FCSTAB_32[((Fcs) ^ (*Cp++)) & 0xff]); - - return (Fcs); -} - - -/* - ======================================================================== - - Routine Description: - Get last FCS and encrypt it to the destination - - Arguments: - pDest Pointer to the Destination - - Return Value: - None - - Note: - - ======================================================================== -*/ -VOID RTMPSetICV( - IN PRTMP_ADAPTER pAd, - IN PUCHAR pDest) -{ - pAd->PrivateInfo.FCSCRC32 ^= 0xffffffff; /* complement */ - pAd->PrivateInfo.FCSCRC32 = cpu2le32(pAd->PrivateInfo.FCSCRC32); - - ARCFOUR_ENCRYPT(&pAd->PrivateInfo.WEPCONTEXT, pDest, (PUCHAR) &pAd->PrivateInfo.FCSCRC32, 4); -} - +#include "../../rt2870/common/rtmp_wep.c" |