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Diffstat (limited to 'drivers/staging/rt3070/common/rtmp_wep.c')
-rw-r--r--drivers/staging/rt3070/common/rtmp_wep.c509
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"
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 16:24:45 +0000