staging: vt6655: deadcode remove aes_ccmp/rc4/tkip (7c23c2d2) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/staging/vt6655/Makefile

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Original line number	Diff line number	Diff line
		@@ -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

drivers/staging/vt6655/aes_ccmp.c

deleted100644 → 0

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Original line number	Diff line number	Diff line
		/*
		* 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);
		}

drivers/staging/vt6655/aes_ccmp.h

deleted100644 → 0

+0 −37

Original line number	Diff line number	Diff line
		/*
		* 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__ */

drivers/staging/vt6655/device.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -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;

drivers/staging/vt6655/rc4.c

deleted100644 → 0

+0 −88

Original line number	Diff line number	Diff line
		/*
		* 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));
		}