1/* 2 * keyDerive.c 3 * 4 * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name Texas Instruments nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34/** \file keyDeriveSM.c 35 * \brief station unicast key SM implementation 36 * 37 * \see keyDeriveSM.h 38*/ 39 40/**************************************************************************** 41 * * 42 * MODULE: station unicast key SM * 43 * PURPOSE: station unicast key SM implementation * 44 * * 45 ****************************************************************************/ 46 47#define __FILE_ID__ FILE_ID_28 48#include "osApi.h" 49#include "report.h" 50#include "rsnApi.h" 51 52#include "keyDerive.h" 53#include "keyDeriveWep.h" 54#include "keyDeriveTkip.h" 55#include "keyDeriveAes.h" 56#ifdef XCC_MODULE_INCLUDED 57#include "keyDeriveCkip.h" 58#endif 59 60/** 61* 62* Function - Init KEY Parser module. 63* 64* \b Description: 65* 66* Called by RSN Manager. 67* Registers the function 'rsn_KeyDeriveRecv()' at the distributor to receive KEY frames upon receiving a KEY_RECV event. 68* 69* \b ARGS: 70* 71* 72* \b RETURNS: 73* 74* TI_STATUS - 0 on success, any other value on failure. 75* 76*/ 77 78keyDerive_t* keyDerive_create(TI_HANDLE hOs) 79{ 80 keyDerive_t *pKeyDerive; 81 82 /* allocate key parser context memory */ 83 pKeyDerive = (keyDerive_t*)os_memoryAlloc(hOs, sizeof(keyDerive_t)); 84 if (pKeyDerive == NULL) 85 { 86 return NULL; 87 } 88 89 os_memoryZero(hOs, pKeyDerive, sizeof(keyDerive_t)); 90 91 pKeyDerive->hOs = hOs; 92 93 return pKeyDerive; 94} 95 96/** 97* 98* Function - Init KEY Parser module. 99* 100* \b Description: 101* 102* Called by RSN Manager. 103* Registers the function 'rsn_KeyDeriveRecv()' at the distributor to receive KEY frames upon receiving a KEY_RECV event. 104* 105* \b ARGS: 106* 107* 108* \b RETURNS: 109* 110* TI_STATUS - 0 on success, any other value on failure. 111* 112*/ 113 114TI_STATUS keyDerive_unload(struct _keyDerive_t *pKeyDerive) 115{ 116 /* free key parser context memory */ 117 os_memoryFree(pKeyDerive->hOs, pKeyDerive, sizeof(keyDerive_t)); 118 119 return TI_OK; 120} 121 122/** 123* 124* Function - Init KEY Parser module. 125* 126* \b Description: 127* 128* Called by RSN Manager. 129* Registers the function 'rsn_KeyDeriveRecv()' at the distributor to receive KEY frames upon receiving a KEY_RECV event. 130* 131* \b ARGS: 132* 133* 134* \b RETURNS: 135* 136* TI_STATUS - 0 on success, any other value on failure. 137* 138*/ 139 140TI_STATUS keyDerive_config(struct _keyDerive_t *pKeyDerive, 141 ECipherSuite cipher, 142 struct _mainKeys_t *pMainKeys, 143 TI_HANDLE hReport, 144 TI_HANDLE hOs) 145{ 146 147 TI_STATUS status = TI_NOK; 148 149 pKeyDerive->hReport = hReport; 150 pKeyDerive->hOs = hOs; 151 pKeyDerive->pMainKeys = pMainKeys; 152 153 switch (cipher) 154 { 155 case TWD_CIPHER_NONE: 156 status = keyDeriveNone_config(pKeyDerive); 157 break; 158 case TWD_CIPHER_WEP: 159 case TWD_CIPHER_WEP104: 160 status = keyDeriveWep_config(pKeyDerive); 161 break; 162 case TWD_CIPHER_TKIP: 163 status = keyDeriveTkip_config(pKeyDerive); 164 break; 165#ifdef XCC_MODULE_INCLUDED 166 case TWD_CIPHER_CKIP: 167 status = keyDeriveCkip_config(pKeyDerive); 168 break; 169#endif 170 171 case TWD_CIPHER_AES_CCMP: 172 status = keyDeriveAes_config(pKeyDerive); 173 break; 174 default: 175 return TI_NOK; 176 } 177 178 return status; 179} 180 181 182 183