author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 00:19:54 +0300 | |
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parent 33 | 938269283a16 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: EAP and WLAN authentication protocols. |
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* |
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*/ |
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/* |
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* %version: % |
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*/ |
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#if !defined(_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H_) |
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#define _ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H_ |
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#include "eap_tools.h" |
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#include "eap_am_export.h" |
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// Start: added by script change_export_macros.sh. |
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#if defined(EAP_NO_EXPORT_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H) |
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#define EAP_CLASS_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H EAP_NONSHARABLE |
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#define EAP_FUNC_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H |
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#define EAP_C_FUNC_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H |
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#define EAP_FUNC_EXPORT_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H |
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#define EAP_C_FUNC_EXPORT_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H |
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#elif defined(EAP_EXPORT_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H) |
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#define EAP_CLASS_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H EAP_EXPORT |
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#define EAP_FUNC_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H EAP_FUNC_EXPORT |
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#define EAP_C_FUNC_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H EAP_C_FUNC_EXPORT |
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#define EAP_FUNC_EXPORT_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H EAP_FUNC_EXPORT |
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#define EAP_C_FUNC_EXPORT_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H EAP_C_FUNC_EXPORT |
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#else |
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#define EAP_CLASS_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H EAP_IMPORT |
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#define EAP_FUNC_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H EAP_FUNC_IMPORT |
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#define EAP_C_FUNC_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H EAP_C_FUNC_IMPORT |
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#define EAP_FUNC_EXPORT_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H |
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#define EAP_C_FUNC_EXPORT_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H |
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#endif |
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// End: added by script change_export_macros.sh. |
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//-------------------------------------------------- |
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/// This is interface to bit store of the Bloom filter algorithm. |
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/** The bit store should be divided to two stores. |
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* New bits are stored to the current bit store. |
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* When current bit store becames over populated it should be |
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* changed previous bit store and a new current bit store should be created. |
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* Each bit index should be checked from current and previous bit stores. |
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* Over population can be calculated from count of set bit and size of the bit store. |
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* When half of the bits are set probability of false filtering will increse |
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* much faster. Probability of false filtering is saturation raised power to bit index count. |
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* Saturation is count of set bits divided by size of bit store. |
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* Bit index count is count of separate indexes extracted from hash digest. |
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* Each index is n bits long. The size of the bit store is 2^n bits. |
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*/ |
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class EAP_CLASS_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H abs_eap_am_bloom_algorithm_store_c |
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{ |
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private: |
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/** |
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* The set_is_valid() function sets the state of the object valid. |
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* The creator of this object calls this function after it is initialized. |
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*/ |
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virtual void set_is_valid() = 0; |
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public: |
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/** |
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* The destructor of the abs_eap_am_bloom_algorithm_store_c class does nothing special. |
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*/ |
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EAP_FUNC_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H virtual ~abs_eap_am_bloom_algorithm_store_c() |
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{ |
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} |
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/** |
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* The constructor of the abs_eap_am_bloom_algorithm_store_c does nothing special. |
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*/ |
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EAP_FUNC_VISIBILITY_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H abs_eap_am_bloom_algorithm_store_c() |
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{ |
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} |
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/** |
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* This function sets the name of the bit store. |
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* Store name is 8-bit string without terminating NULL. |
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*/ |
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virtual eap_status_e set_name_of_store(const eap_variable_data_c * const store_name) = 0; |
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/** |
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* This function checks the bit store exists. |
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* Function should return eap_status_ok when bit store exists and is valid. |
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*/ |
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virtual eap_status_e bloom_filter_check_does_bit_store_exists() = 0; |
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/** |
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* This is the count of bits in the index of Bloom algorithm. |
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*/ |
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virtual eap_status_e set_bloom_bit_index_size(const u32_t bloom_bit_index_size) = 0; |
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/** |
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* This function returns the bit value of queried bit from the current and previous bit store. |
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* @param bit_index indicates the queried bit. |
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*/ |
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virtual u32_t bloom_filter_get_bit_index(const u32_t bit_index) = 0; |
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/** |
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* This function sets the bit value of queried bit to the bit store. |
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* @param bit_index indicates the queried bit. |
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*/ |
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virtual eap_status_e bloom_filter_set_bit_index(const u32_t bit_index) = 0; |
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/** |
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* Object must indicate it's validity. |
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* If object initialization fails this function must return false. |
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* @return This function returns the validity of this object. |
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*/ |
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virtual bool get_is_valid() = 0; |
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}; // class eap_am_bloom_algorithm_c |
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#endif //#if !defined(_ABS_EAP_AM_BLOOM_ALGORITHM_STORE_H_) |
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//-------------------------------------------------- |
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// End. |