1/** \file keyDeriveSM.c 2 * \brief station unicast key SM implementation 3 * 4 * \see keyDeriveSM.h 5*/ 6/**************************************************************************** 7**+-----------------------------------------------------------------------+** 8**| |** 9**| Copyright(c) 1998 - 2008 Texas Instruments. All rights reserved. |** 10**| All rights reserved. |** 11**| |** 12**| Redistribution and use in source and binary forms, with or without |** 13**| modification, are permitted provided that the following conditions |** 14**| are met: |** 15**| |** 16**| * Redistributions of source code must retain the above copyright |** 17**| notice, this list of conditions and the following disclaimer. |** 18**| * Redistributions in binary form must reproduce the above copyright |** 19**| notice, this list of conditions and the following disclaimer in |** 20**| the documentation and/or other materials provided with the |** 21**| distribution. |** 22**| * Neither the name Texas Instruments nor the names of its |** 23**| contributors may be used to endorse or promote products derived |** 24**| from this software without specific prior written permission. |** 25**| |** 26**| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |** 27**| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |** 28**| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |** 29**| A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |** 30**| OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |** 31**| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |** 32**| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |** 33**| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |** 34**| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |** 35**| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |** 36**| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |** 37**| |** 38**+-----------------------------------------------------------------------+** 39****************************************************************************/ 40 41/**************************************************************************** 42 * * 43 * MODULE: station unicast key SM * 44 * PURPOSE: station unicast key SM implementation * 45 * * 46 ****************************************************************************/ 47 48#include "osApi.h" 49#include "utils.h" 50#include "report.h" 51#include "rsnApi.h" 52 53#include "keyDerive.h" 54#include "keyDeriveWep.h" 55#include "keyDeriveTkip.h" 56#include "keyDeriveAes.h" 57#ifdef EXC_MODULE_INCLUDED 58#include "keyDeriveCkip.h" 59#endif 60 61/** 62* 63* Function - Init KEY Parser module. 64* 65* \b Description: 66* 67* Called by RSN Manager. 68* Registers the function 'rsn_KeyDeriveRecv()' at the distributor to receive KEY frames upon receiving a KEY_RECV event. 69* 70* \b ARGS: 71* 72* 73* \b RETURNS: 74* 75* TI_STATUS - 0 on success, any other value on failure. 76* 77*/ 78 79keyDerive_t* keyDerive_create(TI_HANDLE hOs) 80{ 81 keyDerive_t *pKeyDerive; 82 83 /* allocate key parser context memory */ 84 pKeyDerive = (keyDerive_t*)os_memoryAlloc(hOs, sizeof(keyDerive_t)); 85 if (pKeyDerive == NULL) 86 { 87 return NULL; 88 } 89 90 os_memoryZero(hOs, pKeyDerive, sizeof(keyDerive_t)); 91 92 pKeyDerive->hOs = hOs; 93 94 return pKeyDerive; 95} 96 97/** 98* 99* Function - Init KEY Parser module. 100* 101* \b Description: 102* 103* Called by RSN Manager. 104* Registers the function 'rsn_KeyDeriveRecv()' at the distributor to receive KEY frames upon receiving a KEY_RECV event. 105* 106* \b ARGS: 107* 108* 109* \b RETURNS: 110* 111* TI_STATUS - 0 on success, any other value on failure. 112* 113*/ 114 115TI_STATUS keyDerive_unload(struct _keyDerive_t *pKeyDerive) 116{ 117 /* free key parser context memory */ 118 os_memoryFree(pKeyDerive->hOs, pKeyDerive, sizeof(keyDerive_t)); 119 120 return OK; 121} 122 123/** 124* 125* Function - Init KEY Parser module. 126* 127* \b Description: 128* 129* Called by RSN Manager. 130* Registers the function 'rsn_KeyDeriveRecv()' at the distributor to receive KEY frames upon receiving a KEY_RECV event. 131* 132* \b ARGS: 133* 134* 135* \b RETURNS: 136* 137* TI_STATUS - 0 on success, any other value on failure. 138* 139*/ 140 141TI_STATUS keyDerive_config(struct _keyDerive_t *pKeyDerive, 142 cipherSuite_e cipher, 143 struct _mainKeys_t *pMainKeys, 144 TI_HANDLE hReport, 145 TI_HANDLE hOs) 146{ 147 148 TI_STATUS status = NOK; 149 150 pKeyDerive->hReport = hReport; 151 pKeyDerive->hOs = hOs; 152 pKeyDerive->pMainKeys = pMainKeys; 153 154 switch (cipher) 155 { 156 case RSN_CIPHER_NONE: 157 status = keyDeriveNone_config(pKeyDerive); 158 break; 159 case RSN_CIPHER_WEP: 160 case RSN_CIPHER_WEP104: 161 status = keyDeriveWep_config(pKeyDerive); 162 break; 163 case RSN_CIPHER_TKIP: 164 status = keyDeriveTkip_config(pKeyDerive); 165 break; 166#ifdef EXC_MODULE_INCLUDED 167 case RSN_CIPHER_CKIP: 168 status = keyDeriveCkip_config(pKeyDerive); 169 break; 170#endif 171 172 case RSN_CIPHER_AES_CCMP: 173 status = keyDeriveAes_config(pKeyDerive); 174 break; 175 default: 176 return NOK; 177 } 178 179 return status; 180} 181 182 183 184