📄 mac_security.s51
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//////////////////////////////////////////////////////////////////////////////
// /
// IAR 8051 C/C++ Compiler V7.20H/W32 16/Jan/2007 15:30:28 /
// Copyright 2004-2006 IAR Systems. All rights reserved. /
// /
// Core = plain /
// Code model = banked /
// Data model = large /
// Calling convention = xdata reentrant /
// Constant location = data /
// Dptr setup = 1,16 /
// Source file = E:\公司产品资料\Zigbee\cc2431\cc2431定位\LOC_Eng /
// ine\lib\mac\CC2430\mac_security.c /
// Command line = -I "C:\Program Files\IAR Systems\Embedded /
// Workbench 4.05 Evaluation version\8051\INC\" -I /
// "C:\Program Files\IAR Systems\Embedded /
// Workbench 4.05 Evaluation /
// version\8051\SRC\LIB\" -I "C:\Program Files\IAR /
// Systems\Embedded Workbench 4.05 Evaluation /
// version\8051\INC\CLIB\" -I /
// E:\公司产品资料\Zigbee\cc2431\cc2431定位\LOC_Eng /
// ine\Test\mac\mac_loc\..\..\..\include\ -I /
// E:\公司产品资料\Zigbee\cc2431\cc2431定位\LOC_Eng /
// ine\Test\mac\mac_loc\..\..\..\include\mac\cc2430 /
// \ -I E:\公司产品资料\Zigbee\cc2431\cc2431定位\LO /
// C_Engine\Test\mac\mac_loc\..\..\..\include\hal\c /
// c2430\ -I E:\公司产品资料\Zigbee\cc2431\cc2431定 /
// 位\LOC_Engine\Test\mac\mac_loc\..\..\..\apps\ /
// -D CC2430EB -D USE_LED -lCN /
// E:\公司产品资料\Zigbee\cc2431\cc2431定位\LOC_Eng /
// ine\Test\mac\mac_loc\CC2430EB\List\ -lA /
// E:\公司产品资料\Zigbee\cc2431\cc2431定位\LOC_Eng /
// ine\Test\mac\mac_loc\CC2430EB\List\ -o /
// E:\公司产品资料\Zigbee\cc2431\cc2431定位\LOC_Eng /
// ine\Test\mac\mac_loc\CC2430EB\Obj\ -e -s9 /
// --debug --core=plain --dptr=16,1 /
// --data_model=large --code_model=banked /
// --calling_convention=xdata_reentrant /
// --place_constants=data --nr_virtual_regs 8 /
// E:\公司产品资料\Zigbee\cc2431\cc2431定位\LOC_Eng /
// ine\lib\mac\CC2430\mac_security.c /
// List file = E:\公司产品资料\Zigbee\cc2431\cc2431定位\LOC_Eng /
// ine\Test\mac\mac_loc\CC2430EB\List\mac_security. /
// s51 /
// /
// /
//////////////////////////////////////////////////////////////////////////////
NAME mac_security
RTMODEL "__calling_convention", "xdata_reentrant"
RTMODEL "__code_model", "banked"
RTMODEL "__core", "plain"
RTMODEL "__data_model", "large"
RTMODEL "__dptr_size", "16"
RTMODEL "__extended_stack", "disabled"
RTMODEL "__location_for_constants", "data"
RTMODEL "__number_of_dptrs", "1"
RTMODEL "__rt_version", "1"
RSEG DOVERLAY:DATA:NOROOT(0)
RSEG IOVERLAY:IDATA:NOROOT(0)
RSEG ISTACK:IDATA:NOROOT(0)
RSEG PSTACK:XDATA:NOROOT(0)
RSEG XSTACK:XDATA:NOROOT(0)
END
// E:\公司产品资料\Zigbee\cc2431\cc2431定位\LOC_Engine\lib\mac\CC2430\mac_security.c
// 1 /*******************************************************************************************************
// 2 * *
// 3 * ********** *
// 4 * ************ *
// 5 * *** *** *
// 6 * *** +++ *** *
// 7 * *** + + *** *
// 8 * *** + CHIPCON CC2430 INTEGRATED 802.15.4 MAC AND PHY *
// 9 * *** + + *** MAC Security Support *
// 10 * *** +++ *** *
// 11 * *** *** *
// 12 * ************ *
// 13 * ********** *
// 14 * *
// 15 *******************************************************************************************************
// 16 * CONFIDENTIAL *
// 17 * The use of this file is restricted by the signed MAC software license agreement. *
// 18 * *
// 19 * Copyright Chipcon AS, 2005 *
// 20 *******************************************************************************************************
// 21 * This file implements the MAC security support functions, used internally in the MAC sublayer *
// 22 *******************************************************************************************************/
// 23 #include <mac_headers.h>
// 24
// 25
// 26 #if (MAC_OPT_SECURITY)
// 27
// 28 //-------------------------------------------------------------------------------------------------------
// 29 // BYTE msecFindSecurityMaterial(BOOL isTX, BYTE addrMode, WORD panId, ADDRESS *pAddr, ...
// 30 //
// 31 // DESCRIPTION:
// 32 // Support function for selecting the correct security material.
// 33 // First search the ACL, then default security. If neither is available for this frame,
// 34 // return with the value UNAVAILABLE_KEY
// 35 // Used ONLY for outgoing packets (incoming packets handled in receive routine)
// 36 //
// 37 // PARAMETERS:
// 38 //
// 39 // RETURN VALUE:
// 40 // BYTE
// 41 // UNAVAILABLE_KEY if no key is available
// 42 // securitySuite (0 - 7) otherwise
// 43 //-------------------------------------------------------------------------------------------------------
// 44 ROOT void msecFindTxSecurityMaterial(MAC_TX_PACKET *pPacket, BOOL securityEnable, BYTE addrMode, WORD panId, ADDRESS *pAddr) {
// 45 BYTE n;
// 46 BOOL aclFound = FALSE;
// 47 BYTE securitySuite;
// 48 SECURITY_MATERIAL *pSecurityMaterial;
// 49
// 50 if (securityEnable) {
// 51 securitySuite = UNAVAILABLE_KEY;
// 52 pSecurityMaterial = NULL;
// 53
// 54 // Search through ACL for extended addresses
// 55 for (n=0; n<mpib.macACLEntryDescriptorSetSize; n++) {
// 56 if (addrMode == AM_EXTENDED_64) {
// 57 if (msupCompareAddress(&pAddr->Extended, &mpib.ppMacACLEntryDescriptorSet[n]->extendedAddress)) {
// 58 aclFound = TRUE;
// 59 break;
// 60 }
// 61 } else if ((addrMode == AM_SHORT_16) && (panId == mpib.ppMacACLEntryDescriptorSet[n]->panId)) {
// 62 if (pAddr->Short == mpib.ppMacACLEntryDescriptorSet[n]->shortAddress) {
// 63 aclFound = TRUE;
// 64 break;
// 65 }
// 66 }
// 67 }
// 68
// 69 if (aclFound) {
// 70 pSecurityMaterial = &mpib.ppMacACLEntryDescriptorSet[n]->securityMaterial;
// 71 securitySuite = mpib.ppMacACLEntryDescriptorSet[n]->securitySuite;
// 72
// 73 // Is default security available ?
// 74 // Default security can only be used in TX (when the 64 bit destination address is equal to
// 75 // aExtendedAddress) or in RX when the source address mode is extended.
// 76 } else if ((mpib.macSecurityMode == MAC_SECURED_MODE) && (mpib.macDefaultSecurity) && (securityEnable)) {
// 77 // Default security enabled
// 78 pSecurityMaterial = mpib.pMacDefaultSecurityMaterial;
// 79 securitySuite = mpib.macDefaultSecuritySuite;
// 80 }
// 81
// 82 pPacket->pSecurityMaterial = pSecurityMaterial;
// 83 pPacket->securitySuite = securitySuite;
// 84
// 85 } else {
// 86 // Security not enabled, no key is necessary
// 87 pPacket->securitySuite = MAC_SECURITY_NONE;
// 88 }
// 89 } // msecFindSecurityMaterial
// 90
// 91
// 92
// 93
// 94 //-------------------------------------------------------------------------------------------------------
// 95 // void msecDecodeSecuritySuite(MSEC_SETUP_INFO *pMSI, BYTE securityMode)
// 96 //
// 97 // DESCRIPTION:
// 98 // Decodes the given security mode, and sets up the MSEC_SETUP_INFO struct with the necessary
// 99 // information.
// 100 //
// 101 // PARAMETERS:
// 102 // MSEC_SETUP_INFO *pMSI
// 103 // Pointer to the MSEC_SETUP_INFO struct used for RX or TX
// 104 //
// 105 // BYTE securityMode
// 106 // MAC security mode
// 107 // (MAC_SECURITY_NONE | MAC_SECURITY_AES_CTR | MAC_SECURITY_AES_CCM128 |
// 108 // MAC_SECURITY_AES_CCM64 | MAC_SECURITY_AES_CCM32 | MAC_SECURITY_AES_CBC_MAC128 |
// 109 // MAC_SECURITY_AES_CBC_MAC64 | MAC_SECURITY_AES_CBC_MAC32)
// 110 //
// 111 // RETURN VALUE:
// 112 // void
// 113 //-------------------------------------------------------------------------------------------------------
// 114 ROOT void msecDecodeSecuritySuite(MSEC_SETUP_INFO *pMSI, BYTE securitySuite) {
// 115
// 116 // Which security mode is used?
// 117 switch (securitySuite) {
// 118 case MAC_SECURITY_AES_CCM128:
// 119 pMSI->secFlags2420 = MAC_CC2420_CCM_FLAGS;
// 120 pMSI->secMode2420 = CC2420_SECCTRL0_CCM | (7 << CC2420_SECCTRL0_SEC_M_IDX);
// 121 pMSI->micLength = 16;
// 122 break;
// 123 case MAC_SECURITY_AES_CCM64:
// 124 pMSI->secFlags2420 = MAC_CC2420_CCM_FLAGS;
// 125 pMSI->secMode2420 = CC2420_SECCTRL0_CCM | (3 << CC2420_SECCTRL0_SEC_M_IDX);
// 126 pMSI->micLength = 8;
// 127 break;
// 128 case MAC_SECURITY_AES_CCM32:
// 129 pMSI->secFlags2420 = MAC_CC2420_CCM_FLAGS;
// 130 pMSI->secMode2420 = CC2420_SECCTRL0_CCM | (1 << CC2420_SECCTRL0_SEC_M_IDX);
// 131 pMSI->micLength = 4;
// 132 break;
// 133 case MAC_SECURITY_AES_CBC_MAC128:
// 134 pMSI->secFlags2420 = 0;
// 135 pMSI->secMode2420 = CC2420_SECCTRL0_CBC_MAC | (7 << CC2420_SECCTRL0_SEC_M_IDX);
// 136 pMSI->micLength = 16;
// 137 pMSI->clearTextLength = 0;
// 138 break;
// 139 case MAC_SECURITY_AES_CBC_MAC64:
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