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diff --git a/src/libcharon/encoding/payloads/id_payload.h b/src/libcharon/encoding/payloads/id_payload.h
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+++ b/src/libcharon/encoding/payloads/id_payload.h
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+/*
+ * Copyright (C) 2007 Tobias Brunner
+ * Copyright (C) 2005-2006 Martin Willi
+ * Copyright (C) 2005 Jan Hutter
+ * 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.
+ */
+
+/**
+ * @defgroup id_payload id_payload
+ * @{ @ingroup payloads
+ */
+
+#ifndef ID_PAYLOAD_H_
+#define ID_PAYLOAD_H_
+
+typedef struct id_payload_t id_payload_t;
+
+#include <library.h>
+#include <utils/identification.h>
+#include <encoding/payloads/payload.h>
+
+/**
+ * Length of a id payload without the data in bytes.
+ */
+#define ID_PAYLOAD_HEADER_LENGTH 8
+
+/**
+ * Object representing an IKEv2 ID payload.
+ *
+ * The ID payload format is described in RFC section 3.5.
+ */
+struct id_payload_t {
+	/**
+	 * The payload_t interface.
+	 */
+	payload_t payload_interface;
+
+	/**
+	 * Set the ID type.
+	 *
+	 * @param type			Type of ID
+	 */
+	void (*set_id_type) (id_payload_t *this, id_type_t type);
+
+	/**
+	 * Get the ID type.
+	 *
+	 * @return				type of the ID
+	 */
+	id_type_t (*get_id_type) (id_payload_t *this);
+
+	/**
+	 * Set the ID data.
+	 *
+	 * Data are getting cloned.
+	 *
+	 * @param data			ID data as chunk_t
+	 */
+	void (*set_data) (id_payload_t *this, chunk_t data);
+
+	/**
+	 * Get the ID data.
+	 *
+	 * Returned data are a copy of the internal one
+	 *
+	 * @return				ID data as chunk_t
+	 */
+	chunk_t (*get_data_clone) (id_payload_t *this);
+
+	/**
+	 * Get the ID data.
+	 *
+	 * Returned data are NOT copied.
+	 *
+	 * @return				ID data as chunk_t
+	 */
+	chunk_t (*get_data) (id_payload_t *this);
+
+	/**
+	 * Creates an identification object of this id payload.
+	 *
+	 * Returned object has to get destroyed by the caller.
+	 *
+	 * @return				identification_t object
+	 */
+	identification_t *(*get_identification) (id_payload_t *this);
+
+	/**
+	 * Destroys an id_payload_t object.
+	 */
+	void (*destroy) (id_payload_t *this);
+};
+
+/**
+ * Creates an empty id_payload_t object.
+ *
+ * @param payload_type	one of ID_INITIATOR, ID_RESPONDER
+ * @return				id_payload_t object
+ */
+id_payload_t *id_payload_create(payload_type_t payload_type);
+
+/**
+ * Creates an id_payload_t from an existing identification_t object.
+ *
+ * @param payload_type		one of ID_INITIATOR, ID_RESPONDER
+ * @param identification	identification_t object
+ * @return					id_payload_t object
+ */
+id_payload_t *id_payload_create_from_identification(payload_type_t payload_type,
+											identification_t *identification);
+
+#endif /** ID_PAYLOAD_H_ @}*/