--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/include/eapol_rsna_key_data_gtk_header.h	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,142 @@
+/*
+* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  EAP and WLAN authentication protocols.
+*
+*/
+
+
+
+
+#if !defined(_EAPOL_RSNA_KEY_DATA_GTK_HEADER_H_)
+#define _EAPOL_RSNA_KEY_DATA_GTK_HEADER_H_
+
+#include "eapol_header.h"
+#include "eap_general_header_base.h"
+#include "eapol_key_header.h"
+
+
+//------------------------------------------------------
+
+/// This is base class of EAPOL RSNA key data GTK header.
+/**
+ * @code
+ *      0       1       2       3       4       5       6       7
+ *  +-------+-------+-------+-------+-------+-------+-------+-------+
+ *  |    Key ID     |  Tx   |            Reserved                   |
+ *  +-------+-------+-------+-------+-------+-------+-------+-------+
+ *  |                      Reserved                                 |
+ *  +-------+-------+-------+-------+-------+-------+-------+-------+
+ *  |                    GTK (Length -6) Octets                     |
+ *  +-                                                             -+
+ *  |                                                               |
+ *  +-------+-------+-------+-------+-------+-------+-------+-------+
+ * @endcode
+ */
+class EAP_EXPORT eapol_rsna_key_data_gtk_header_c
+: public eap_general_header_base_c
+{
+private:
+	//--------------------------------------------------
+
+	/// This is pointer to the tools class.
+	abs_eap_am_tools_c * const m_am_tools;
+
+	//--------------------------------------------------
+public:
+	//--------------------------------------------------
+
+	enum eapol_rsna_key_data_gtk_header_constants_e
+	{
+		EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE          = sizeof(u8_t),
+		EAPOL_RSNA_KEY_DATA_RESERVED_FIELD_SIZE       = sizeof(u8_t),
+		EAPOL_RSNA_KEY_DATA_INVALID_GTK_INDEX         = 0xff,
+	};
+
+	//--------------------------------------------------
+protected:
+	//--------------------------------------------------
+
+	enum offsets_e
+	{
+		m_offset_flags                 = 0ul,
+		m_offset_reserved              = m_offset_flags                 + EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE,
+		m_offset_gtk                   = m_offset_reserved              + EAPOL_RSNA_KEY_DATA_RESERVED_FIELD_SIZE,
+	};
+
+	enum eapol_rsna_key_data_gtk_header_masks_e
+	{
+		EAPOL_RSNA_KEY_DATA_GTK_INDEX_MASK = 0x03,
+		EAPOL_RSNA_KEY_DATA_TX_MASK        = 0x04,
+		EAPOL_RSNA_KEY_DATA_RESERVED_MASK  = 0xf8,
+	};
+
+	enum eapol_rsna_key_data_gtk_header_shift_e
+	{
+		EAPOL_RSNA_KEY_DATA_GTK_INDEX_SHIFT = 0x00,
+		EAPOL_RSNA_KEY_DATA_TX_SHIFT        = 0x02,
+		EAPOL_RSNA_KEY_DATA_RESERVED_SHIFT  = 0x03,
+	};
+
+	//--------------------------------------------------
+public:
+	//--------------------------------------------------
+
+	// 
+	virtual ~eapol_rsna_key_data_gtk_header_c();
+
+	// 
+	eapol_rsna_key_data_gtk_header_c(
+		abs_eap_am_tools_c * const tools,
+		void * const header_begin,
+		const u32_t header_buffer_length);
+
+	u8_t get_key_index() const;
+
+	bool get_tx_bit() const;
+
+	u8_t * get_gtk_offset(const u32_t offset, const u32_t contignuous_bytes) const;
+
+	/**
+	 * This function returns pointer to the GTK.
+	 * @param contignuous_bytes is the length of queried data in bytes.
+	 */
+	u8_t * get_gtk(const u32_t contignuous_bytes) const;
+
+	static u16_t get_header_length();
+
+
+	eap_status_e set_key_index(const u32_t index);
+
+	eap_status_e set_tx(const bool tx);
+
+	eap_status_e set_reserved_flag(const u32_t reserved);
+
+	eap_status_e set_reserved_field(const u32_t reserved);
+
+	eap_status_e check_header() const;
+
+	eap_status_e reset_header();
+
+	// 
+	//--------------------------------------------------
+}; // class eapol_rsna_key_data_gtk_header_c
+
+
+#endif //#if !defined(_EAPOL_RSNA_KEY_DATA_HEADER_H_)
+
+//------------------------------------------------------
+
+
+
+// End.