author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 00:19:54 +0300 | |
changeset 52 | c23bdf5a328a |
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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//------------------------------------------------------------ |
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#if !defined(_EAP_AM_CRYPTO_RC4_H_) |
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#define _EAP_AM_CRYPTO_RC4_H_ |
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#include "eap_am_types.h" |
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#include "eap_variable_data.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_EAP_AM_CRYPTO_RC4_H) |
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#define EAP_CLASS_VISIBILITY_EAP_AM_CRYPTO_RC4_H EAP_NONSHARABLE |
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#define EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H |
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#define EAP_C_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H |
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#define EAP_FUNC_EXPORT_EAP_AM_CRYPTO_RC4_H |
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#define EAP_C_FUNC_EXPORT_EAP_AM_CRYPTO_RC4_H |
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#elif defined(EAP_EXPORT_EAP_AM_CRYPTO_RC4_H) |
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#define EAP_CLASS_VISIBILITY_EAP_AM_CRYPTO_RC4_H EAP_EXPORT |
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#define EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H EAP_FUNC_EXPORT |
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#define EAP_C_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H EAP_C_FUNC_EXPORT |
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#define EAP_FUNC_EXPORT_EAP_AM_CRYPTO_RC4_H EAP_FUNC_EXPORT |
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#define EAP_C_FUNC_EXPORT_EAP_AM_CRYPTO_RC4_H EAP_C_FUNC_EXPORT |
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#else |
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#define EAP_CLASS_VISIBILITY_EAP_AM_CRYPTO_RC4_H EAP_IMPORT |
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#define EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H EAP_FUNC_IMPORT |
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#define EAP_C_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H EAP_C_FUNC_IMPORT |
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#define EAP_FUNC_EXPORT_EAP_AM_CRYPTO_RC4_H |
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#define EAP_C_FUNC_EXPORT_EAP_AM_CRYPTO_RC4_H |
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#endif |
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// End: added by script change_export_macros.sh. |
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#include "eap_am_tools.h" |
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#undef set_key |
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//------------------------------------------------------------ |
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/// The eap_am_crypto_rc4_c class includes the state of |
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/// one instance of RC4 algorithm. |
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class EAP_CLASS_VISIBILITY_EAP_AM_CRYPTO_RC4_H eap_am_crypto_rc4_c |
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{ |
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// - - - - - - - - - - - - - - - - - - - - - - - - |
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private: |
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// - - - - - - - - - - - - - - - - - - - - - - - - |
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enum eap_am_crypto_rc4_constant |
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{ |
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eap_am_crypto_rc4_constant_state_size = 256, |
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}; |
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/// This is pointer to the tools class. |
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abs_eap_am_tools_c * const m_am_tools; |
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/// State is stored to this variable. |
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u8_t m_state[eap_am_crypto_rc4_constant_state_size]; |
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/// This is the index i. |
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u8_t m_ind_i; |
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/// This is the index j. |
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u8_t m_ind_j; |
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/// This indicates whether this object was generated successfully. |
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bool m_is_valid; |
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// - - - - - - - - - - - - - - - - - - - - - - - - |
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/** |
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* Function cleanups the state and variables. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H eap_status_e cleanup(); |
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/** |
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* The set_is_invalid() function sets the state of the eap_am_crypto_rc4_c |
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* object invalid. |
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* The eap_am_crypto_rc4_c object calls this function after it is |
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* initialized. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H void set_is_invalid(); |
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/** |
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* The set_is_valid() function sets the state of the eap_am_crypto_rc4_c |
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* object valid. |
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* The eap_am_crypto_rc4_c object calls this function after it is |
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* initialized. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H void set_is_valid(); |
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/** |
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* Function swaps the values. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H inline void swap( |
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u8_t * const s_i, |
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u8_t * const s_j); |
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/** |
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* Function returns the next random byte. |
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*/ |
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inline u8_t get_random_byte(); |
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/** |
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* Function XORs input data buffer with generated pseudo random data |
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* and stores result to output data buffer. |
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*/ |
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inline eap_status_e process_data( |
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const void * const p_data_in, |
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void * const p_data_out, |
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const u32_t data_length); |
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// - - - - - - - - - - - - - - - - - - - - - - - - |
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public: |
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// - - - - - - - - - - - - - - - - - - - - - - - - |
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/** |
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* Destructor resets the used internal buffers. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H virtual ~eap_am_crypto_rc4_c(); |
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/** |
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* Constructor initializes the used internal buffers. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H eap_am_crypto_rc4_c(abs_eap_am_tools_c * const tools); |
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/** |
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* The get_is_valid() function returns the status of the |
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* eap_am_crypto_rc4_c object. |
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* True indicates the object is allocated successfully. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H bool get_is_valid(); |
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/** |
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* This function sets the RC4 key. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H eap_status_e set_key( |
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const eap_variable_data_c * const key); |
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/** |
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* This function does RC4 encryption. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H eap_status_e encrypt_data( |
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const void * const data_in, |
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void * const data_out, |
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const u32_t data_length); |
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/** |
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* This function does RC4 decryption. |
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*/ |
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EAP_FUNC_VISIBILITY_EAP_AM_CRYPTO_RC4_H eap_status_e decrypt_data( |
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const void * const data_in, |
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void * const data_out, |
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const u32_t data_length); |
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}; |
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#endif //#if !defined(_EAP_AM_CRYPTO_RC4_H_) |
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//------------------------------------------------------------ |
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// End. |