staging: vt6655: deadcode remove aes_ccmp/rc4/tkip

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2014-10-29 17:55:38 +00:00 committed by Greg Kroah-Hartman
parent 6bedc35b75
commit 7c23c2d25d
9 changed files with 0 additions and 877 deletions

View file

@ -14,14 +14,11 @@ vt6655_stage-y += device_main.o \
power.o \
srom.o \
mib.o \
rc4.o \
tether.o \
tcrc.o \
key.o \
tkip.o \
michael.o \
rf.o \
aes_ccmp.o \
vntwifi.o
obj-$(CONFIG_VT6655) += vt6655_stage.o

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@ -1,374 +0,0 @@
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: aes_ccmp.c
*
* Purpose: AES_CCMP decryption
*
* Author: Warren Hsu
*
* Date: Feb 15, 2005
*
* Functions:
* AESbGenCCMP - Parsing RX-packet
*
*
* Revision History:
*
*/
#include "device.h"
#include "80211hdr.h"
#include "aes_ccmp.h"
/*--------------------- Static Definitions -------------------------*/
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
/*
* SBOX Table
*/
static unsigned char sbox_table[256] = {
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
};
static unsigned char dot2_table[256] = {
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
};
static unsigned char dot3_table[256] = {
0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
};
/*--------------------- Static Functions --------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Export Functions --------------------------*/
static void xor_128(unsigned char *a, unsigned char *b, unsigned char *out)
{
unsigned long *dwPtrA = (unsigned long *)a;
unsigned long *dwPtrB = (unsigned long *)b;
unsigned long *dwPtrOut = (unsigned long *)out;
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
}
static void xor_32(unsigned char *a, unsigned char *b, unsigned char *out)
{
unsigned long *dwPtrA = (unsigned long *)a;
unsigned long *dwPtrB = (unsigned long *)b;
unsigned long *dwPtrOut = (unsigned long *)out;
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
}
static void AddRoundKey(unsigned char *key, int round)
{
unsigned char sbox_key[4];
unsigned char rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
sbox_key[0] = sbox_table[key[13]];
sbox_key[1] = sbox_table[key[14]];
sbox_key[2] = sbox_table[key[15]];
sbox_key[3] = sbox_table[key[12]];
key[0] = key[0] ^ rcon_table[round];
xor_32(&key[0], sbox_key, &key[0]);
xor_32(&key[4], &key[0], &key[4]);
xor_32(&key[8], &key[4], &key[8]);
xor_32(&key[12], &key[8], &key[12]);
}
static void SubBytes(unsigned char *in, unsigned char *out)
{
int i;
for (i = 0; i < 16; i++)
out[i] = sbox_table[in[i]];
}
static void ShiftRows(unsigned char *in, unsigned char *out)
{
out[0] = in[0];
out[1] = in[5];
out[2] = in[10];
out[3] = in[15];
out[4] = in[4];
out[5] = in[9];
out[6] = in[14];
out[7] = in[3];
out[8] = in[8];
out[9] = in[13];
out[10] = in[2];
out[11] = in[7];
out[12] = in[12];
out[13] = in[1];
out[14] = in[6];
out[15] = in[11];
}
static void MixColumns(unsigned char *in, unsigned char *out)
{
out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3];
out[1] = in[0] ^ dot2_table[in[1]] ^ dot3_table[in[2]] ^ in[3];
out[2] = in[0] ^ in[1] ^ dot2_table[in[2]] ^ dot3_table[in[3]];
out[3] = dot3_table[in[0]] ^ in[1] ^ in[2] ^ dot2_table[in[3]];
}
static void AESv128(unsigned char *key, unsigned char *data, unsigned char *ciphertext)
{
int i;
int round;
unsigned char TmpdataA[16];
unsigned char TmpdataB[16];
unsigned char abyRoundKey[16];
for (i = 0; i < 16; i++)
abyRoundKey[i] = key[i];
for (round = 0; round < 11; round++) {
if (round == 0) {
xor_128(abyRoundKey, data, ciphertext);
AddRoundKey(abyRoundKey, round);
} else if (round == 10) {
SubBytes(ciphertext, TmpdataA);
ShiftRows(TmpdataA, TmpdataB);
xor_128(TmpdataB, abyRoundKey, ciphertext);
} else /* round 1 ~ 9 */{
SubBytes(ciphertext, TmpdataA);
ShiftRows(TmpdataA, TmpdataB);
MixColumns(&TmpdataB[0], &TmpdataA[0]);
MixColumns(&TmpdataB[4], &TmpdataA[4]);
MixColumns(&TmpdataB[8], &TmpdataA[8]);
MixColumns(&TmpdataB[12], &TmpdataA[12]);
xor_128(TmpdataA, abyRoundKey, ciphertext);
AddRoundKey(abyRoundKey, round);
}
}
}
/*
* Description: AES decryption
*
* Parameters:
* In:
* pbyRxKey - The key used to decrypt
* pbyFrame - Starting address of packet header
* wFrameSize - Total packet size including CRC
* Out:
* none
*
* Return Value: MIC compare result
*
*/
bool AESbGenCCMP(unsigned char *pbyRxKey, unsigned char *pbyFrame, unsigned short wFrameSize)
{
unsigned char abyNonce[13];
unsigned char MIC_IV[16];
unsigned char MIC_HDR1[16];
unsigned char MIC_HDR2[16];
unsigned char abyMIC[16];
unsigned char abyCTRPLD[16];
unsigned char abyTmp[16];
unsigned char abyPlainText[16];
unsigned char abyLastCipher[16];
PS802_11Header pMACHeader = (PS802_11Header) pbyFrame;
unsigned char *pbyIV;
unsigned char *pbyPayload;
unsigned short wHLen = 22;
unsigned short wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;/* 8 is IV, 8 is MIC, 4 is CRC */
bool bA4 = false;
unsigned char byTmp;
unsigned short wCnt;
int ii, jj, kk;
pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
if (WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame)) {
bA4 = true;
pbyIV += 6; /* 6 is 802.11 address4 */
wHLen += 6;
wPayloadSize -= 6;
}
pbyPayload = pbyIV + 8; /* IV-length */
abyNonce[0] = 0x00; /* now is 0, if Qos here will be priority */
memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, ETH_ALEN);
abyNonce[7] = pbyIV[7];
abyNonce[8] = pbyIV[6];
abyNonce[9] = pbyIV[5];
abyNonce[10] = pbyIV[4];
abyNonce[11] = pbyIV[1];
abyNonce[12] = pbyIV[0];
/* MIC_IV */
MIC_IV[0] = 0x59;
memcpy(&(MIC_IV[1]), &(abyNonce[0]), 13);
MIC_IV[14] = (unsigned char)(wPayloadSize >> 8);
MIC_IV[15] = (unsigned char)(wPayloadSize & 0xff);
/* MIC_HDR1 */
MIC_HDR1[0] = (unsigned char)(wHLen >> 8);
MIC_HDR1[1] = (unsigned char)(wHLen & 0xff);
byTmp = (unsigned char)(pMACHeader->wFrameCtl & 0xff);
MIC_HDR1[2] = byTmp & 0x8f;
byTmp = (unsigned char)(pMACHeader->wFrameCtl >> 8);
byTmp &= 0x87;
MIC_HDR1[3] = byTmp | 0x40;
memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
/* MIC_HDR2 */
memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
byTmp = (unsigned char)(pMACHeader->wSeqCtl & 0xff);
MIC_HDR2[6] = byTmp & 0x0f;
MIC_HDR2[7] = 0;
if (bA4) {
memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, ETH_ALEN);
} else {
MIC_HDR2[8] = 0x00;
MIC_HDR2[9] = 0x00;
MIC_HDR2[10] = 0x00;
MIC_HDR2[11] = 0x00;
MIC_HDR2[12] = 0x00;
MIC_HDR2[13] = 0x00;
}
MIC_HDR2[14] = 0x00;
MIC_HDR2[15] = 0x00;
/* CCMP */
AESv128(pbyRxKey, MIC_IV, abyMIC);
for (kk = 0; kk < 16; kk++)
abyTmp[kk] = MIC_HDR1[kk] ^ abyMIC[kk];
AESv128(pbyRxKey, abyTmp, abyMIC);
for (kk = 0; kk < 16; kk++)
abyTmp[kk] = MIC_HDR2[kk] ^ abyMIC[kk];
AESv128(pbyRxKey, abyTmp, abyMIC);
wCnt = 1;
abyCTRPLD[0] = 0x01;
memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13);
for (jj = wPayloadSize; jj > 16; jj = jj - 16) {
abyCTRPLD[14] = (unsigned char)(wCnt >> 8);
abyCTRPLD[15] = (unsigned char)(wCnt & 0xff);
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
for (kk = 0; kk < 16; kk++)
abyPlainText[kk] = abyTmp[kk] ^ pbyPayload[kk];
for (kk = 0; kk < 16; kk++)
abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
AESv128(pbyRxKey, abyTmp, abyMIC);
memcpy(pbyPayload, abyPlainText, 16);
wCnt++;
pbyPayload += 16;
} /* for wPayloadSize */
/* last payload */
memcpy(&(abyLastCipher[0]), pbyPayload, jj);
for (ii = jj; ii < 16; ii++)
abyLastCipher[ii] = 0x00;
abyCTRPLD[14] = (unsigned char)(wCnt >> 8);
abyCTRPLD[15] = (unsigned char)(wCnt & 0xff);
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
for (kk = 0; kk < 16; kk++)
abyPlainText[kk] = abyTmp[kk] ^ abyLastCipher[kk];
memcpy(pbyPayload, abyPlainText, jj);
pbyPayload += jj;
/* for MIC calculation */
for (ii = jj; ii < 16; ii++)
abyPlainText[ii] = 0x00;
for (kk = 0; kk < 16; kk++)
abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
AESv128(pbyRxKey, abyTmp, abyMIC);
/* =>above is the calculate MIC */
/* -------------------------------------------- */
wCnt = 0;
abyCTRPLD[14] = (unsigned char)(wCnt >> 8);
abyCTRPLD[15] = (unsigned char)(wCnt & 0xff);
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
for (kk = 0; kk < 8; kk++)
abyTmp[kk] = abyTmp[kk] ^ pbyPayload[kk];
/* =>above is the dec-MIC from packet */
/* -------------------------------------------- */
return !memcmp(abyMIC, abyTmp, 8);
}

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@ -1,37 +0,0 @@
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: aes_ccmp.h
*
* Purpose: AES_CCMP Decryption
*
* Author: Warren Hsu
*
* Date: Feb 15, 2005
*
*/
#ifndef __AES_H__
#define __AES_H__
#include "ttype.h"
bool AESbGenCCMP(unsigned char *pbyRxKey, unsigned char *pbyFrame, unsigned short wFrameSize);
#endif /* __AES_H__ */

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@ -74,7 +74,6 @@
#include "wcmd.h"
#include "mib.h"
#include "srom.h"
#include "rc4.h"
#include "desc.h"
#include "key.h"
#include "mac.h"
@ -546,7 +545,6 @@ struct vnt_private {
u64 qwPacketNumber; /* For CCMP and TKIP as TSC(6 bytes) */
unsigned int uCurrentWEPMode;
RC4Ext SBox;
unsigned char abyPRNG[WLAN_WEPMAX_KEYLEN+3];
unsigned char byKeyIndex;
unsigned int uKeyLength;

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@ -1,88 +0,0 @@
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* File: rc4.c
*
* Purpose:
*
* Functions:
*
* Revision History:
*
* Author: Kyle Hsu
*
* Date: Sep 4, 2002
*
*/
#include "rc4.h"
void rc4_init(PRC4Ext pRC4, unsigned char *pbyKey, unsigned int cbKey_len)
{
unsigned int ust1, ust2;
unsigned int keyindex;
unsigned int stateindex;
unsigned char *pbyst;
unsigned int idx;
pbyst = pRC4->abystate;
pRC4->ux = 0;
pRC4->uy = 0;
for (idx = 0; idx < 256; idx++)
pbyst[idx] = (unsigned char)idx;
keyindex = 0;
stateindex = 0;
for (idx = 0; idx < 256; idx++) {
ust1 = pbyst[idx];
stateindex = (stateindex + pbyKey[keyindex] + ust1) & 0xff;
ust2 = pbyst[stateindex];
pbyst[stateindex] = (unsigned char)ust1;
pbyst[idx] = (unsigned char)ust2;
if (++keyindex >= cbKey_len)
keyindex = 0;
}
}
unsigned int rc4_byte(PRC4Ext pRC4)
{
unsigned int ux;
unsigned int uy;
unsigned int ustx, usty;
unsigned char *pbyst;
pbyst = pRC4->abystate;
ux = (pRC4->ux + 1) & 0xff;
ustx = pbyst[ux];
uy = (ustx + pRC4->uy) & 0xff;
usty = pbyst[uy];
pRC4->ux = ux;
pRC4->uy = uy;
pbyst[uy] = (unsigned char)ustx;
pbyst[ux] = (unsigned char)usty;
return pbyst[(ustx + usty) & 0xff];
}
void rc4_encrypt(PRC4Ext pRC4, unsigned char *pbyDest,
unsigned char *pbySrc, unsigned int cbData_len)
{
unsigned int ii;
for (ii = 0; ii < cbData_len; ii++)
pbyDest[ii] = (unsigned char)(pbySrc[ii] ^ rc4_byte(pRC4));
}

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@ -1,47 +0,0 @@
/*
* File: rc4.h
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Purpose:
*
* Functions:
*
* Revision History:
*
* Author: Kyle Hsu
*
* Date: Sep 4, 2002
*
*/
#ifndef __RC4_H__
#define __RC4_H__
#include "ttype.h"
/*--------------------- Export Definitions -------------------------*/
/*--------------------- Export Types ------------------------------*/
typedef struct {
unsigned int ux;
unsigned int uy;
unsigned char abystate[256];
} RC4Ext, *PRC4Ext;
void rc4_init(PRC4Ext pRC4, unsigned char *pbyKey, unsigned int cbKey_len);
unsigned int rc4_byte(PRC4Ext pRC4);
void rc4_encrypt(PRC4Ext pRC4, unsigned char *pbyDest, unsigned char *pbySrc, unsigned int cbData_len);
#endif //__RC4_H__

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@ -56,7 +56,6 @@
#include "mac.h"
#include "baseband.h"
#include "michael.h"
#include "tkip.h"
#include "tcrc.h"
#include "wctl.h"
#include "rf.h"

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@ -1,268 +0,0 @@
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: tkip.c
*
* Purpose: Implement functions for 802.11i TKIP
*
* Author: Jerry Chen
*
* Date: Mar. 11, 2003
*
* Functions:
* TKIPvMixKey - Get TKIP RC4 Key from TK,TA, and TSC
*
* Revision History:
*
*/
#include "tmacro.h"
#include "tkip.h"
/*--------------------- Static Definitions -------------------------*/
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
/*--------------------- Static Functions --------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Static Definitions -------------------------*/
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
/* The Sbox is reduced to 2 16-bit wide tables, each with 256 entries. */
/* The 2nd table is the same as the 1st but with the upper and lower */
/* bytes swapped. To allow an endian tolerant implementation, the byte */
/* halves have been expressed independently here. */
static const unsigned char TKIP_Sbox_Lower[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
};
static const unsigned char TKIP_Sbox_Upper[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
};
//STKIPKeyManagement sTKIPKeyTable[MAX_TKIP_KEY];
/*--------------------- Static Functions --------------------------*/
unsigned int tkip_sbox(unsigned int index);
unsigned int rotr1(unsigned int a);
/*--------------------- Export Variables --------------------------*/
/************************************************************/
/* tkip_sbox() */
/* Returns a 16 bit value from a 64K entry table. The Table */
/* is synthesized from two 256 entry byte wide tables. */
/************************************************************/
unsigned int tkip_sbox(unsigned int index)
{
unsigned int index_low;
unsigned int index_high;
unsigned int left, right;
index_low = (index % 256);
index_high = ((index >> 8) % 256);
left = TKIP_Sbox_Lower[index_low] + (TKIP_Sbox_Upper[index_low] * 256);
right = TKIP_Sbox_Upper[index_high] + (TKIP_Sbox_Lower[index_high] * 256);
return left ^ right;
};
unsigned int rotr1(unsigned int a)
{
unsigned int b;
if ((a & 0x01) == 0x01)
b = (a >> 1) | 0x8000;
else
b = (a >> 1) & 0x7fff;
b = b % 65536;
return b;
}
/*
* Description: Calculate RC4Key fom TK, TA, and TSC
*
* Parameters:
* In:
* pbyTKey - TKey
* pbyTA - TA
* dwTSC - TSC
* Out:
* pbyRC4Key - RC4Key
*
* Return Value: none
*
*/
void TKIPvMixKey(
unsigned char *pbyTKey,
unsigned char *pbyTA,
unsigned short wTSC15_0,
unsigned long dwTSC47_16,
unsigned char *pbyRC4Key
)
{
unsigned int p1k[5];
unsigned int tsc0, tsc1, tsc2;
unsigned int ppk0, ppk1, ppk2, ppk3, ppk4, ppk5;
unsigned long int pnl, pnh;
int i, j;
pnl = wTSC15_0;
pnh = dwTSC47_16;
tsc0 = (unsigned int)((pnh >> 16) % 65536); /* msb */
tsc1 = (unsigned int)(pnh % 65536);
tsc2 = (unsigned int)(pnl % 65536); /* lsb */
/* Phase 1, step 1 */
p1k[0] = tsc1;
p1k[1] = tsc0;
p1k[2] = (unsigned int)(pbyTA[0] + (pbyTA[1]*256));
p1k[3] = (unsigned int)(pbyTA[2] + (pbyTA[3]*256));
p1k[4] = (unsigned int)(pbyTA[4] + (pbyTA[5]*256));
/* Phase 1, step 2 */
for (i = 0; i < 8; i++) {
j = 2 * (i & 1);
p1k[0] = (p1k[0] + tkip_sbox((p1k[4] ^ ((256*pbyTKey[1+j]) + pbyTKey[j])) % 65536)) % 65536;
p1k[1] = (p1k[1] + tkip_sbox((p1k[0] ^ ((256*pbyTKey[5+j]) + pbyTKey[4+j])) % 65536)) % 65536;
p1k[2] = (p1k[2] + tkip_sbox((p1k[1] ^ ((256*pbyTKey[9+j]) + pbyTKey[8+j])) % 65536)) % 65536;
p1k[3] = (p1k[3] + tkip_sbox((p1k[2] ^ ((256*pbyTKey[13+j]) + pbyTKey[12+j])) % 65536)) % 65536;
p1k[4] = (p1k[4] + tkip_sbox((p1k[3] ^ (((256*pbyTKey[1+j]) + pbyTKey[j]))) % 65536)) % 65536;
p1k[4] = (p1k[4] + i) % 65536;
}
/* Phase 2, Step 1 */
ppk0 = p1k[0];
ppk1 = p1k[1];
ppk2 = p1k[2];
ppk3 = p1k[3];
ppk4 = p1k[4];
ppk5 = (p1k[4] + tsc2) % 65536;
/* Phase2, Step 2 */
ppk0 = ppk0 + tkip_sbox((ppk5 ^ ((256*pbyTKey[1]) + pbyTKey[0])) % 65536);
ppk1 = ppk1 + tkip_sbox((ppk0 ^ ((256*pbyTKey[3]) + pbyTKey[2])) % 65536);
ppk2 = ppk2 + tkip_sbox((ppk1 ^ ((256*pbyTKey[5]) + pbyTKey[4])) % 65536);
ppk3 = ppk3 + tkip_sbox((ppk2 ^ ((256*pbyTKey[7]) + pbyTKey[6])) % 65536);
ppk4 = ppk4 + tkip_sbox((ppk3 ^ ((256*pbyTKey[9]) + pbyTKey[8])) % 65536);
ppk5 = ppk5 + tkip_sbox((ppk4 ^ ((256*pbyTKey[11]) + pbyTKey[10])) % 65536);
ppk0 = ppk0 + rotr1(ppk5 ^ ((256*pbyTKey[13]) + pbyTKey[12]));
ppk1 = ppk1 + rotr1(ppk0 ^ ((256*pbyTKey[15]) + pbyTKey[14]));
ppk2 = ppk2 + rotr1(ppk1);
ppk3 = ppk3 + rotr1(ppk2);
ppk4 = ppk4 + rotr1(ppk3);
ppk5 = ppk5 + rotr1(ppk4);
/* Phase 2, Step 3 */
pbyRC4Key[0] = (tsc2 >> 8) % 256;
pbyRC4Key[1] = (((tsc2 >> 8) % 256) | 0x20) & 0x7f;
pbyRC4Key[2] = tsc2 % 256;
pbyRC4Key[3] = ((ppk5 ^ ((256*pbyTKey[1]) + pbyTKey[0])) >> 1) % 256;
pbyRC4Key[4] = ppk0 % 256;
pbyRC4Key[5] = (ppk0 >> 8) % 256;
pbyRC4Key[6] = ppk1 % 256;
pbyRC4Key[7] = (ppk1 >> 8) % 256;
pbyRC4Key[8] = ppk2 % 256;
pbyRC4Key[9] = (ppk2 >> 8) % 256;
pbyRC4Key[10] = ppk3 % 256;
pbyRC4Key[11] = (ppk3 >> 8) % 256;
pbyRC4Key[12] = ppk4 % 256;
pbyRC4Key[13] = (ppk4 >> 8) % 256;
pbyRC4Key[14] = ppk5 % 256;
pbyRC4Key[15] = (ppk5 >> 8) % 256;
}

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@ -1,57 +0,0 @@
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: tkip.h
*
* Purpose: Implement functions for 802.11i TKIP
*
* Author: Jerry Chen
*
* Date: Mar. 11, 2003
*
*/
#ifndef __TKIP_H__
#define __TKIP_H__
#include "ttype.h"
#include "tether.h"
/*--------------------- Export Definitions -------------------------*/
#define TKIP_KEY_LEN 16
/*--------------------- Export Types ------------------------------*/
/*--------------------- Export Macros ------------------------------*/
/*--------------------- Export Classes ----------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Export Functions --------------------------*/
void TKIPvMixKey(
unsigned char *pbyTKey,
unsigned char *pbyTA,
unsigned short wTSC15_0,
unsigned long dwTSC47_16,
unsigned char *pbyRC4Key
);
#endif // __TKIP_H__