--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/wapi_common/include/wapi_am_crypto_sms4.h	Fri Mar 19 09:29:58 2010 +0200
@@ -0,0 +1,169 @@
+/*
+* ============================================================================
+*  Name        : ./accesssec/eapol/eapol_framework/wapi_common/include/wapi_am_crypto_sms4.h
+*  Part of     : WAPI / WAPI       *** Info from the SWAD
+*  Description : WAPI authentication
+*  Version     : %version: 5 % << Don't touch! Updated by Synergy at check-out.
+*
+*  Copyright © 2001-2009 Nokia.  All rights reserved.
+*  This material, including documentation and any related computer
+*  programs, is protected by copyright controlled by Nokia.  All
+*  rights are reserved.  Copying, including reproducing, storing,
+*  adapting or translating, any or all of this material requires the
+*  prior written consent of Nokia.  This material also contains
+*  confidential information which may not be disclosed to others
+*  without the prior written consent of Nokia.
+* ============================================================================
+* Template version: 4.2
+*/
+
+
+//------------------------------------------------------------
+
+#if !defined(_WAPI_AM_CRYPTO_SMS4_H_)
+#define _WAPI_AM_CRYPTO_SMS4_H_
+
+#include "eap_am_types.h"
+#include "eap_variable_data.h"
+#include "eap_am_export.h"
+#include "eap_am_tools.h"
+
+#if defined(ecb_encrypt)
+#undef ecb_encrypt
+#endif //#if defined(ecb_encrypt)
+
+//------------------------------------------------------------
+
+/// This class implements the SMS4 block cipher used in WAPI
+class EAP_EXPORT wapi_am_crypto_sms4_c
+{
+
+	// - - - - - - - - - - - - - - - - - - - - - - - -
+private:
+	// - - - - - - - - - - - - - - - - - - - - - - - -
+
+	enum wapi_sms4_sizes
+	{
+		WAPI_AM_CRYPTO_SMS4_KEY_u8_SIZE = 16ul, ///< 16 u8_t integers
+		WAPI_AM_CRYPTO_SMS4_BLOCK_u8_SIZE = 16ul, ///< 16 u8_t integers
+		WAPI_AM_CRYPTO_SMS4_CK_u32_COUNT = 32ul, ///< 32 u32_t integers
+		WAPI_AM_CRYPTO_SMS4_FK_u32_COUNT = 4ul, ///< 4 u32_t integers 
+		WAPI_AM_CRYPTO_SMS4_SBOX_u8_SIZE = 256ul, ///< 256 u8_t integers
+		WAPI_AM_CRYPTO_SMS4_KEY_SCHEDULE_u32_SIZE = 32ul ///< 32 u32_t integers
+	};
+
+	/// This is pointer to the tools class.
+	abs_eap_am_tools_c * const m_am_tools;
+
+	/// Round keys are stored into this variable.
+	u32_t m_key_schedule[WAPI_AM_CRYPTO_SMS4_KEY_SCHEDULE_u32_SIZE];
+
+	static const u32_t m_CK[WAPI_AM_CRYPTO_SMS4_CK_u32_COUNT];
+	static const u32_t m_FK[WAPI_AM_CRYPTO_SMS4_FK_u32_COUNT];
+	static const u8_t m_SBOX[WAPI_AM_CRYPTO_SMS4_SBOX_u8_SIZE];
+
+	/// This indicates whether this object was generated successfully.
+	bool m_is_valid;
+
+	// - - - - - - - - - - - - - - - - - - - - - - - -
+
+	/**
+	 * The set_is_invalid() function sets the state of the object invalid. 
+	 */
+	EAP_FUNC_IMPORT void set_is_invalid();
+
+	/**
+	 * The set_is_valid() function sets the state of the object valid. 
+	 */
+	EAP_FUNC_IMPORT void set_is_valid();
+
+	EAP_FUNC_IMPORT void L_key( u32_t* data );
+
+	EAP_FUNC_IMPORT void L_data( u32_t* data );
+
+	EAP_FUNC_IMPORT void sms4_substitute( u32_t* data );
+
+	EAP_FUNC_IMPORT eap_status_e ecb_process_data(
+		const void * const data_in, 
+		void * const data_out,
+		const u32_t data_blocks,
+		bool encrypt);  /// < true for encrypt, false for decrypt
+
+	// cyclic left shift
+	inline u32_t sms4_rotate_left(
+		const u32_t value,
+		const u32_t shift)
+	{
+		return (value << shift) | (value >> (32ul - shift));
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - -
+public:
+	// - - - - - - - - - - - - - - - - - - - - - - - -
+
+	/**
+	 * Destructor resets the used internal buffers.
+	 */
+	EAP_FUNC_IMPORT virtual ~wapi_am_crypto_sms4_c();
+
+	/**
+	 * Constructor initializes the used internal buffers.
+	 */
+	EAP_FUNC_IMPORT wapi_am_crypto_sms4_c(abs_eap_am_tools_c * const tools);
+
+	/**
+	 * The get_is_valid() function returns the status of the object. 
+	 * True indicates the object is allocated successfully.
+	 */
+	EAP_FUNC_IMPORT bool get_is_valid();
+
+	/**
+	 * This function sets the SMS4 key
+	 * and generates the key schedule (i.e. intializes 
+	 * the context).
+	 */
+	EAP_FUNC_IMPORT eap_status_e set_key(
+		const eap_variable_data_c * const key);
+
+	/**
+	 * Returns the size of SMS4 key. 
+	 * This will be constant 16 bytes (128 bits).
+	 */
+	EAP_FUNC_IMPORT u32_t get_key_size();
+
+	/**
+	 * Returns the SMS4 block size. 
+	 * This will be constant 16 bytes (128 bits).
+	 */
+	EAP_FUNC_IMPORT u32_t get_block_size();
+
+	/**
+	 * This function performs SMS4 encryption
+	 * for input data blocks in ECB mode. The length of data must 
+	 * be aligned to the block size of SMS4.
+	 */
+	EAP_FUNC_IMPORT eap_status_e ecb_encrypt(
+		const void * const data_in, 
+		void * const data_out,
+		const u32_t data_blocks ///< This is the number of blocks to be processed
+		);
+
+	/**
+	 * This function performs SMS4 decryption
+	 * for input data blocks in ECB mode. The length of data must 
+	 * be aligned to the block size of SMS4.
+	 */
+	EAP_FUNC_IMPORT eap_status_e ecb_decrypt(
+		const void * const data_in, 
+		void * const data_out,
+		const u32_t data_blocks ///< This is the number of blocks to be processed
+		);
+};
+
+#endif //#if !defined(_WAPI_AM_CRYPTO_SMS4_H_)
+
+//------------------------------------------------------------
+
+
+
+// End.