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diff --git a/Source/charon/ike_sa_manager.h b/Source/charon/ike_sa_manager.h
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+++ b/Source/charon/ike_sa_manager.h
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+/**
+ * @file ike_sa_manager.h
+ * 
+ * @brief Central point for managing IKE-SAs (creation, locking, deleting...)
+ * 
+ */
+
+/*
+ * Copyright (C) 2005 Jan Hutter, Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef IKE_SA_MANAGER_H_
+#define IKE_SA_MANAGER_H_
+
+#include "types.h"
+#include "ike_sa.h"
+
+
+/**
+ * @brief The IKE_SA-Manager manages the IKE_SAs ;-). 
+ * 
+ * To avoid access from multiple threads, IKE_SAs must be checked out from
+ * the manager, and checked back in after usage. 
+ * The manager also handles deletion of SAs.
+ * 
+ */
+typedef struct ike_sa_manager_s ike_sa_manager_t;
+struct ike_sa_manager_s {
+
+	status_t (*checkout_ike_sa) (ike_sa_manager_t*, ike_sa_id_t *sa_id, ike_sa_t **ike_sa);
+	status_t (*checkin_ike_sa) (ike_sa_manager_t*, ike_sa_t *ike_sa);
+	status_t (*delete_ike_sa_by_id) (ike_sa_manager_t*, ike_sa_id_t *ike_sa_id);
+	status_t (*delete_ike_sa_by_sa) (ike_sa_manager_t*, ike_sa_t *ike_sa);
+	
+	/**
+	 * @brief Destroys a linked_list object
+	 * 
+	 * @warning all items are removed before deleting the list. The
+	 *          associated values are NOT destroyed. 
+	 * 			Destroying an list which is not empty may cause
+	 * 			memory leaks!
+	 * 
+	 * @param linked_list calling object
+	 * @returns SUCCESS if succeeded, FAILED otherwise
+	 */
+	status_t (*destroy) (ike_sa_manager_t *isam);
+};
+
+/**
+ * @brief Create the IKE_SA-Manager
+ */
+ike_sa_manager_t *ike_sa_manager_create();
+
+#endif /*IKE_SA_MANAGER_H_*/