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diff --git a/Source/charon/encoding/payloads/certreq_payload.h b/Source/charon/encoding/payloads/certreq_payload.h
new file mode 100644
index 000000000..4fbf80305
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+++ b/Source/charon/encoding/payloads/certreq_payload.h
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+/**
+ * @file certreq_payload.h
+ * 
+ * @brief Interface of certreq_payload_t.
+ * 
+ */
+
+/*
+ * 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 _CERTREQ_PAYLOAD_H_
+#define _CERTREQ_PAYLOAD_H_
+
+#include <types.h>
+#include <encoding/payloads/payload.h>
+#include <encoding/payloads/cert_payload.h>
+
+/**
+ * Length of a CERTREQ payload without the CERTREQ data in bytes.
+ * 
+ * @ingroup payloads
+ */
+#define CERTREQ_PAYLOAD_HEADER_LENGTH 5
+
+
+typedef struct certreq_payload_t certreq_payload_t;
+
+/**
+ * Object representing an IKEv2 CERTREQ payload.
+ * 
+ * The CERTREQ payload format is described in draft section 3.7.
+ * 
+ * @ingroup payloads
+ * 
+ */
+struct certreq_payload_t {
+	/**
+	 * The payload_t interface.
+	 */
+	payload_t payload_interface;
+
+	/**
+	 * @brief Set the CERT encoding.
+	 * 
+	 *
+	 * @param this 			calling certreq_payload_t object
+	 * @param encoding		CERT encoding
+	 */
+	void (*set_cert_encoding) (certreq_payload_t *this, cert_encoding_t encoding);
+	
+	/**
+	 * @brief Get the CERT encoding.
+	 *
+	 * @param this 			calling certreq_payload_t object
+	 * @return				Encoding of the CERT 
+	 */
+	cert_encoding_t (*get_cert_encoding) (certreq_payload_t *this);
+	
+	/**
+	 * @brief Set the CERTREQ data.
+	 * 
+	 * Data are getting cloned.
+	 *
+	 * @param this 			calling certreq_payload_t object
+	 * @param data			CERTREQ data as chunk_t
+	 */
+	void (*set_data) (certreq_payload_t *this, chunk_t data);
+	
+	/**
+	 * @brief Get the CERTREQ data.
+	 * 
+	 * Returned data are a copy of the internal one.
+	 *
+	 * @param this 			calling certreq_payload_t object
+	 * @return				CERTREQ data as chunk_t
+	 */
+	chunk_t (*get_data_clone) (certreq_payload_t *this);
+	
+	/**
+	 * @brief Get the CERTREQ data.
+	 * 
+	 * Returned data are NOT copied.
+	 *
+	 * @param this 			calling certreq_payload_t object
+	 * @return				CERTREQ data as chunk_t
+	 */
+	chunk_t (*get_data) (certreq_payload_t *this);
+	
+	/**
+	 * @brief Destroys an certreq_payload_t object.
+	 *
+	 * @param this 	certreq_payload_t object to destroy
+	 */
+	void (*destroy) (certreq_payload_t *this);
+};
+
+/**
+ * @brief Creates an empty certreq_payload_t object.
+ * 
+ * @return				created certreq_payload_t object
+ * 
+ * @ingroup payloads
+ */
+certreq_payload_t *certreq_payload_create();
+
+
+#endif //_CERTREQ_PAYLOAD_H_