diff options
author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
---|---|---|
committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/staging/otus/80211core/ctkip.c | |
parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/staging/otus/80211core/ctkip.c')
-rw-r--r-- | drivers/staging/otus/80211core/ctkip.c | 598 |
1 files changed, 598 insertions, 0 deletions
diff --git a/drivers/staging/otus/80211core/ctkip.c b/drivers/staging/otus/80211core/ctkip.c new file mode 100644 index 00000000000..be42f7aaa37 --- /dev/null +++ b/drivers/staging/otus/80211core/ctkip.c @@ -0,0 +1,598 @@ +/* + * Copyright (c) 2007-2008 Atheros Communications Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +/* */ +/* Module Name : ctkip.c */ +/* */ +/* Abstract */ +/* This module contains Tx and Rx functions. */ +/* */ +/* NOTES */ +/* None */ +/* */ +/************************************************************************/ +#include "cprecomp.h" + +u16_t zgTkipSboxLower[256] = + { + 0xA5,0x84,0x99,0x8D,0x0D,0xBD,0xB1,0x54, + 0x50,0x03,0xA9,0x7D,0x19,0x62,0xE6,0x9A, + 0x45,0x9D,0x40,0x87,0x15,0xEB,0xC9,0x0B, + 0xEC,0x67,0xFD,0xEA,0xBF,0xF7,0x96,0x5B, + 0xC2,0x1C,0xAE,0x6A,0x5A,0x41,0x02,0x4F, + 0x5C,0xF4,0x34,0x08,0x93,0x73,0x53,0x3F, + 0x0C,0x52,0x65,0x5E,0x28,0xA1,0x0F,0xB5, + 0x09,0x36,0x9B,0x3D,0x26,0x69,0xCD,0x9F, + 0x1B,0x9E,0x74,0x2E,0x2D,0xB2,0xEE,0xFB, + 0xF6,0x4D,0x61,0xCE,0x7B,0x3E,0x71,0x97, + 0xF5,0x68,0x00,0x2C,0x60,0x1F,0xC8,0xED, + 0xBE,0x46,0xD9,0x4B,0xDE,0xD4,0xE8,0x4A, + 0x6B,0x2A,0xE5,0x16,0xC5,0xD7,0x55,0x94, + 0xCF,0x10,0x06,0x81,0xF0,0x44,0xBA,0xE3, + 0xF3,0xFE,0xC0,0x8A,0xAD,0xBC,0x48,0x04, + 0xDF,0xC1,0x75,0x63,0x30,0x1A,0x0E,0x6D, + 0x4C,0x14,0x35,0x2F,0xE1,0xA2,0xCC,0x39, + 0x57,0xF2,0x82,0x47,0xAC,0xE7,0x2B,0x95, + 0xA0,0x98,0xD1,0x7F,0x66,0x7E,0xAB,0x83, + 0xCA,0x29,0xD3,0x3C,0x79,0xE2,0x1D,0x76, + 0x3B,0x56,0x4E,0x1E,0xDB,0x0A,0x6C,0xE4, + 0x5D,0x6E,0xEF,0xA6,0xA8,0xA4,0x37,0x8B, + 0x32,0x43,0x59,0xB7,0x8C,0x64,0xD2,0xE0, + 0xB4,0xFA,0x07,0x25,0xAF,0x8E,0xE9,0x18, + 0xD5,0x88,0x6F,0x72,0x24,0xF1,0xC7,0x51, + 0x23,0x7C,0x9C,0x21,0xDD,0xDC,0x86,0x85, + 0x90,0x42,0xC4,0xAA,0xD8,0x05,0x01,0x12, + 0xA3,0x5F,0xF9,0xD0,0x91,0x58,0x27,0xB9, + 0x38,0x13,0xB3,0x33,0xBB,0x70,0x89,0xA7, + 0xB6,0x22,0x92,0x20,0x49,0xFF,0x78,0x7A, + 0x8F,0xF8,0x80,0x17,0xDA,0x31,0xC6,0xB8, + 0xC3,0xB0,0x77,0x11,0xCB,0xFC,0xD6,0x3A + }; + + +u16_t zgTkipSboxUpper[256] = + { + 0xC6,0xF8,0xEE,0xF6,0xFF,0xD6,0xDE,0x91, + 0x60,0x02,0xCE,0x56,0xE7,0xB5,0x4D,0xEC, + 0x8F,0x1F,0x89,0xFA,0xEF,0xB2,0x8E,0xFB, + 0x41,0xB3,0x5F,0x45,0x23,0x53,0xE4,0x9B, + 0x75,0xE1,0x3D,0x4C,0x6C,0x7E,0xF5,0x83, + 0x68,0x51,0xD1,0xF9,0xE2,0xAB,0x62,0x2A, + 0x08,0x95,0x46,0x9D,0x30,0x37,0x0A,0x2F, + 0x0E,0x24,0x1B,0xDF,0xCD,0x4E,0x7F,0xEA, + 0x12,0x1D,0x58,0x34,0x36,0xDC,0xB4,0x5B, + 0xA4,0x76,0xB7,0x7D,0x52,0xDD,0x5E,0x13, + 0xA6,0xB9,0x00,0xC1,0x40,0xE3,0x79,0xB6, + 0xD4,0x8D,0x67,0x72,0x94,0x98,0xB0,0x85, + 0xBB,0xC5,0x4F,0xED,0x86,0x9A,0x66,0x11, + 0x8A,0xE9,0x04,0xFE,0xA0,0x78,0x25,0x4B, + 0xA2,0x5D,0x80,0x05,0x3F,0x21,0x70,0xF1, + 0x63,0x77,0xAF,0x42,0x20,0xE5,0xFD,0xBF, + 0x81,0x18,0x26,0xC3,0xBE,0x35,0x88,0x2E, + 0x93,0x55,0xFC,0x7A,0xC8,0xBA,0x32,0xE6, + 0xC0,0x19,0x9E,0xA3,0x44,0x54,0x3B,0x0B, + 0x8C,0xC7,0x6B,0x28,0xA7,0xBC,0x16,0xAD, + 0xDB,0x64,0x74,0x14,0x92,0x0C,0x48,0xB8, + 0x9F,0xBD,0x43,0xC4,0x39,0x31,0xD3,0xF2, + 0xD5,0x8B,0x6E,0xDA,0x01,0xB1,0x9C,0x49, + 0xD8,0xAC,0xF3,0xCF,0xCA,0xF4,0x47,0x10, + 0x6F,0xF0,0x4A,0x5C,0x38,0x57,0x73,0x97, + 0xCB,0xA1,0xE8,0x3E,0x96,0x61,0x0D,0x0F, + 0xE0,0x7C,0x71,0xCC,0x90,0x06,0xF7,0x1C, + 0xC2,0x6A,0xAE,0x69,0x17,0x99,0x3A,0x27, + 0xD9,0xEB,0x2B,0x22,0xD2,0xA9,0x07,0x33, + 0x2D,0x3C,0x15,0xC9,0x87,0xAA,0x50,0xA5, + 0x03,0x59,0x09,0x1A,0x65,0xD7,0x84,0xD0, + 0x82,0x29,0x5A,0x1E,0x7B,0xA8,0x6D,0x2C + }; + +u16_t zfrotr1(u16_t a) +// rotate right by 1 bit. +{ + u16_t b; + + if (a & 0x01) + { + b = (a >> 1) | 0x8000; + } + else + { + b = (a >> 1) & 0x7fff; + } + return b; +} + +/*************************************************************/ +/* zfTkipSbox() */ +/* Returns a 16 bit value from a 64K entry table. The Table */ +/* is synthesized from two 256 entry byte wide tables. */ +/*************************************************************/ +u16_t zfTkipSbox(u16_t index) +{ + u16_t low; + u16_t high; + u16_t left, right; + + low = (index & 0xFF); + high = ((index >> 8) & 0xFF); + + left = zgTkipSboxLower[low] + (zgTkipSboxUpper[low] << 8 ); + right = zgTkipSboxUpper[high] + (zgTkipSboxLower[high] << 8 ); + + return (left ^ right); +} + +u8_t zfTkipPhase1KeyMix(u32_t iv32, struct zsTkipSeed* pSeed) +{ + u16_t tsc0; + u16_t tsc1; + u16_t i, j; +#if 0 + /* Need not proceed this function with the same iv32 */ + if ( iv32 == pSeed->iv32 ) + { + return 1; + } +#endif + tsc0 = (u16_t) ((iv32 >> 16) & 0xffff); /* msb */ + tsc1 = (u16_t) (iv32 & 0xffff); + + /* Phase 1, step 1 */ + pSeed->ttak[0] = tsc1; + pSeed->ttak[1] = tsc0; + pSeed->ttak[2] = (u16_t) (pSeed->ta[0] + (pSeed->ta[1] <<8)); + pSeed->ttak[3] = (u16_t) (pSeed->ta[2] + (pSeed->ta[3] <<8)); + pSeed->ttak[4] = (u16_t) (pSeed->ta[4] + (pSeed->ta[5] <<8)); + + /* Phase 1, step 2 */ + for (i=0; i<8; i++) + { + j = 2*(i & 1); + pSeed->ttak[0] =(pSeed->ttak[0] + zfTkipSbox(pSeed->ttak[4] + ^ ZM_BYTE_TO_WORD(pSeed->tk[1+j], pSeed->tk[j]))) + & 0xffff; + pSeed->ttak[1] =(pSeed->ttak[1] + zfTkipSbox(pSeed->ttak[0] + ^ ZM_BYTE_TO_WORD(pSeed->tk[5+j], pSeed->tk[4+j] ))) + & 0xffff; + pSeed->ttak[2] =(pSeed->ttak[2] + zfTkipSbox(pSeed->ttak[1] + ^ ZM_BYTE_TO_WORD(pSeed->tk[9+j], pSeed->tk[8+j] ))) + & 0xffff; + pSeed->ttak[3] =(pSeed->ttak[3] + zfTkipSbox(pSeed->ttak[2] + ^ ZM_BYTE_TO_WORD(pSeed->tk[13+j], pSeed->tk[12+j]))) + & 0xffff; + pSeed->ttak[4] =(pSeed->ttak[4] + zfTkipSbox(pSeed->ttak[3] + ^ ZM_BYTE_TO_WORD(pSeed->tk[1+j], pSeed->tk[j] ))) + & 0xffff; + pSeed->ttak[4] =(pSeed->ttak[4] + i) & 0xffff; + } + + if ( iv32 == (pSeed->iv32+1) ) + { + pSeed->iv32tmp = iv32; + return 1; + } + + return 0; +} + +u8_t zfTkipPhase2KeyMix(u16_t iv16, struct zsTkipSeed* pSeed) +{ + u16_t tsc2; + + tsc2 = iv16; + + /* Phase 2, Step 1 */ + pSeed->ppk[0] = pSeed->ttak[0]; + pSeed->ppk[1] = pSeed->ttak[1]; + pSeed->ppk[2] = pSeed->ttak[2]; + pSeed->ppk[3] = pSeed->ttak[3]; + pSeed->ppk[4] = pSeed->ttak[4]; + pSeed->ppk[5] = (pSeed->ttak[4] + tsc2) & 0xffff; + + /* Phase2, Step 2 */ + pSeed->ppk[0] = pSeed->ppk[0] + + zfTkipSbox(pSeed->ppk[5] ^ ZM_BYTE_TO_WORD(pSeed->tk[1],pSeed->tk[0])); + pSeed->ppk[1] = pSeed->ppk[1] + + zfTkipSbox(pSeed->ppk[0] ^ ZM_BYTE_TO_WORD(pSeed->tk[3],pSeed->tk[2])); + pSeed->ppk[2] = pSeed->ppk[2] + + zfTkipSbox(pSeed->ppk[1] ^ ZM_BYTE_TO_WORD(pSeed->tk[5],pSeed->tk[4])); + pSeed->ppk[3] = pSeed->ppk[3] + + zfTkipSbox(pSeed->ppk[2] ^ ZM_BYTE_TO_WORD(pSeed->tk[7],pSeed->tk[6])); + pSeed->ppk[4] = pSeed->ppk[4] + + zfTkipSbox(pSeed->ppk[3] ^ ZM_BYTE_TO_WORD(pSeed->tk[9],pSeed->tk[8])); + pSeed->ppk[5] = pSeed->ppk[5] + + zfTkipSbox(pSeed->ppk[4] ^ ZM_BYTE_TO_WORD(pSeed->tk[11],pSeed->tk[10])); + + pSeed->ppk[0] = pSeed->ppk[0] + + zfrotr1(pSeed->ppk[5] ^ ZM_BYTE_TO_WORD(pSeed->tk[13],pSeed->tk[12])); + pSeed->ppk[1] = pSeed->ppk[1] + + zfrotr1(pSeed->ppk[0] ^ ZM_BYTE_TO_WORD(pSeed->tk[15],pSeed->tk[14])); + pSeed->ppk[2] = pSeed->ppk[2] + zfrotr1(pSeed->ppk[1]); + pSeed->ppk[3] = pSeed->ppk[3] + zfrotr1(pSeed->ppk[2]); + pSeed->ppk[4] = pSeed->ppk[4] + zfrotr1(pSeed->ppk[3]); + pSeed->ppk[5] = pSeed->ppk[5] + zfrotr1(pSeed->ppk[4]); + + if (iv16 == 0) + { + if (pSeed->iv16 == 0xffff) + { + pSeed->iv16tmp=0; + return 1; + } + else + return 0; + } + else if (iv16 == (pSeed->iv16+1)) + { + pSeed->iv16tmp = iv16; + return 1; + } + else + return 0; +} + +void zfTkipInit(u8_t* key, u8_t* ta, struct zsTkipSeed* pSeed, u8_t* initIv) +{ + u16_t iv16; + u32_t iv32; + u16_t i; + + /* clear memory */ + zfZeroMemory((u8_t*) pSeed, sizeof(struct zsTkipSeed)); + /* set key to seed */ + zfMemoryCopy(pSeed->ta, ta, 6); + zfMemoryCopy(pSeed->tk, key, 16); + + iv16 = *initIv++; + iv16 += *initIv<<8; + initIv++; + + iv32=0; + + for(i=0; i<4; i++) // initiv is little endian + { + iv32 += *initIv<<(i*8); + *initIv++; + } + + pSeed->iv32 = iv32+1; // Force Recalculating on Tkip Phase1 + zfTkipPhase1KeyMix(iv32, pSeed); + + pSeed->iv16 = iv16; + pSeed->iv32 = iv32; +} + +u32_t zfGetU32t(u8_t* p) +{ + u32_t res=0; + u16_t i; + + for( i=0; i<4; i++ ) + { + res |= (*p++) << (8*i); + } + + return res; + +} + +void zfPutU32t(u8_t* p, u32_t value) +{ + u16_t i; + + for(i=0; i<4; i++) + { + *p++ = (u8_t) (value & 0xff); + value >>= 8; + } +} + +void zfMicClear(struct zsMicVar* pMic) +{ + pMic->left = pMic->k0; + pMic->right = pMic->k1; + pMic->nBytes = 0; + pMic->m = 0; +} + +void zfMicSetKey(u8_t* key, struct zsMicVar* pMic) +{ + pMic->k0 = zfGetU32t(key); + pMic->k1 = zfGetU32t(key+4); + zfMicClear(pMic); +} + +void zfMicAppendByte(u8_t b, struct zsMicVar* pMic) +{ + // Append the byte to our word-sized buffer + pMic->m |= b << (8* pMic->nBytes); + pMic->nBytes++; + + // Process the word if it is full. + if ( pMic->nBytes >= 4 ) + { + pMic->left ^= pMic->m; + pMic->right ^= ZM_ROL32(pMic->left, 17 ); + pMic->left += pMic->right; + pMic->right ^= ((pMic->left & 0xff00ff00) >> 8) | + ((pMic->left & 0x00ff00ff) << 8); + pMic->left += pMic->right; + pMic->right ^= ZM_ROL32( pMic->left, 3 ); + pMic->left += pMic->right; + pMic->right ^= ZM_ROR32( pMic->left, 2 ); + pMic->left += pMic->right; + // Clear the buffer + pMic->m = 0; + pMic->nBytes = 0; + } +} + +void zfMicGetMic(u8_t* dst, struct zsMicVar* pMic) +{ + // Append the minimum padding + zfMicAppendByte(0x5a, pMic); + zfMicAppendByte(0, pMic); + zfMicAppendByte(0, pMic); + zfMicAppendByte(0, pMic); + zfMicAppendByte(0, pMic); + + // and then zeroes until the length is a multiple of 4 + while( pMic->nBytes != 0 ) + { + zfMicAppendByte(0, pMic); + } + + // The appendByte function has already computed the result. + zfPutU32t(dst, pMic->left); + zfPutU32t(dst+4, pMic->right); + + // Reset to the empty message. + zfMicClear(pMic); + +} + +u8_t zfMicRxVerify(zdev_t* dev, zbuf_t* buf) +{ + struct zsMicVar* pMicKey; + struct zsMicVar MyMicKey; + u8_t mic[8]; + u8_t da[6]; + u8_t sa[6]; + u8_t bValue; + u16_t i, payloadOffset, tailOffset; + + zmw_get_wlan_dev(dev); + + /* need not check MIC if pMicKEy is equal to NULL */ + if ( wd->wlanMode == ZM_MODE_AP ) + { + pMicKey = zfApGetRxMicKey(dev, buf); + + if ( pMicKey != NULL ) + { + zfCopyFromRxBuffer(dev, buf, sa, ZM_WLAN_HEADER_A2_OFFSET, 6); + zfCopyFromRxBuffer(dev, buf, da, ZM_WLAN_HEADER_A3_OFFSET, 6); + } + else + { + return ZM_MIC_SUCCESS; + } + } + else if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE ) + { + pMicKey = zfStaGetRxMicKey(dev, buf); + + if ( pMicKey != NULL ) + { + zfCopyFromRxBuffer(dev, buf, sa, ZM_WLAN_HEADER_A3_OFFSET, 6); + zfCopyFromRxBuffer(dev, buf, da, ZM_WLAN_HEADER_A1_OFFSET, 6); + } + else + { + return ZM_MIC_SUCCESS; + } + } + else + { + return ZM_MIC_SUCCESS; + } + + MyMicKey.k0=pMicKey->k0; + MyMicKey.k1=pMicKey->k1; + pMicKey = &MyMicKey; + + zfMicClear(pMicKey); + tailOffset = zfwBufGetSize(dev, buf); + tailOffset -= 8; + + /* append DA */ + for(i=0; i<6; i++) + { + zfMicAppendByte(da[i], pMicKey); + } + /* append SA */ + for(i=0; i<6; i++) + { + zfMicAppendByte(sa[i], pMicKey); + } + + /* append for alignment */ + if ((zmw_rx_buf_readb(dev, buf, 0) & 0x80) != 0) + zfMicAppendByte(zmw_rx_buf_readb(dev, buf,24)&0x7, pMicKey); + else + zfMicAppendByte(0, pMicKey); + zfMicAppendByte(0, pMicKey); + zfMicAppendByte(0, pMicKey); + zfMicAppendByte(0, pMicKey); + + /* append payload */ + payloadOffset = ZM_SIZE_OF_WLAN_DATA_HEADER + + ZM_SIZE_OF_IV + + ZM_SIZE_OF_EXT_IV; + + if ((zmw_rx_buf_readb(dev, buf, 0) & 0x80) != 0) + { + /* Qos Packet, Plcpheader + 2 */ + if (wd->wlanMode == ZM_MODE_AP) + { + /* TODO : Rx Qos element offset in software MIC check */ + } + else if (wd->wlanMode == ZM_MODE_INFRASTRUCTURE) + { + if (wd->sta.wmeConnected != 0) + { + payloadOffset += 2; + } + } + } + + for(i=payloadOffset; i<tailOffset; i++) + { + bValue = zmw_rx_buf_readb(dev, buf, i); + zfMicAppendByte(bValue, pMicKey); + } + + zfMicGetMic(mic, pMicKey); + + if ( !zfRxBufferEqualToStr(dev, buf, mic, tailOffset, 8) ) + { + return ZM_MIC_FAILURE; + } + + return ZM_MIC_SUCCESS; +} + +void zfTkipGetseeds(u16_t iv16, u8_t *RC4Key, struct zsTkipSeed *Seed) +{ + RC4Key[0] = ZM_HI8(iv16); + RC4Key[1] = (ZM_HI8(iv16) | 0x20) & 0x7f; + RC4Key[2] = ZM_LO8(iv16); + RC4Key[3] = ((Seed->ppk[5] ^ ZM_BYTE_TO_WORD(Seed->tk[1],Seed->tk[0]))>>1) & 0xff; + RC4Key[4] = Seed->ppk[0] & 0xff; + RC4Key[5] = Seed->ppk[0] >> 8; + RC4Key[6] = Seed->ppk[1] & 0xff; + RC4Key[7] = Seed->ppk[1] >> 8; + RC4Key[8] = Seed->ppk[2] & 0xff; + RC4Key[9] = Seed->ppk[2] >> 8; + RC4Key[10] = Seed->ppk[3] & 0xff; + RC4Key[11] = Seed->ppk[3] >> 8; + RC4Key[12] = Seed->ppk[4] & 0xff; + RC4Key[13] = Seed->ppk[4] >> 8; + RC4Key[14] = Seed->ppk[5] & 0xff; + RC4Key[15] = Seed->ppk[5] >> 8; +} + +void zfCalTxMic(zdev_t *dev, zbuf_t *buf, u8_t *snap, u16_t snapLen, u16_t offset, u16_t *da, u16_t *sa, u8_t up, u8_t *mic) +{ + struct zsMicVar* pMicKey; + u16_t i; + u16_t len; + u8_t bValue; + u8_t qosType; + u8_t *pDa = (u8_t *)da; + u8_t *pSa = (u8_t *)sa; + + zmw_get_wlan_dev(dev); + + /* need not check MIC if pMicKEy is equal to NULL */ + if ( wd->wlanMode == ZM_MODE_AP ) + { + pMicKey = zfApGetTxMicKey(dev, buf, &qosType); + + if ( pMicKey == NULL ) + return; + } + else if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE ) + { + pMicKey = zfStaGetTxMicKey(dev, buf); + + if ( pMicKey == NULL ) + { + zm_debug_msg0("pMicKey is NULL"); + return; + } + } + else + { + return; + } + + zfMicClear(pMicKey); + len = zfwBufGetSize(dev, buf); + + /* append DA */ + for(i = 0; i < 6; i++) + { + zfMicAppendByte(pDa[i], pMicKey); + } + + /* append SA */ + for(i = 0; i < 6; i++) + { + zfMicAppendByte(pSa[i], pMicKey); + } + + if (up != 0) + zfMicAppendByte((up&0x7), pMicKey); + else + zfMicAppendByte(0, pMicKey); + + zfMicAppendByte(0, pMicKey); + zfMicAppendByte(0, pMicKey); + zfMicAppendByte(0, pMicKey); + + /* For Snap header */ + for(i = 0; i < snapLen; i++) + { + zfMicAppendByte(snap[i], pMicKey); + } + + for(i = offset; i < len; i++) + { + bValue = zmw_tx_buf_readb(dev, buf, i); + zfMicAppendByte(bValue, pMicKey); + } + + zfMicGetMic(mic, pMicKey); +} + +void zfTKIPEncrypt(zdev_t *dev, zbuf_t *buf, u8_t *snap, u16_t snapLen, u16_t offset, u8_t keyLen, u8_t* key, u32_t* icv) +{ + u8_t iv[3]; + + iv[0] = key[0]; + iv[1] = key[1]; + iv[2] = key[2]; + + keyLen -= 3; + + zfWEPEncrypt(dev, buf, snap, snapLen, offset, keyLen, &key[3], iv); +} + +u16_t zfTKIPDecrypt(zdev_t *dev, zbuf_t *buf, u16_t offset, u8_t keyLen, u8_t* key) +{ + u16_t ret = ZM_ICV_SUCCESS; + u8_t iv[3]; + + iv[0] = key[0]; + iv[1] = key[1]; + iv[2] = key[2]; + + keyLen -= 3; + + ret = zfWEPDecrypt(dev, buf, offset, keyLen, &key[3], iv); + + return ret; +} |