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diff --git a/src/libcharon/encoding/payloads/eap_payload.h b/src/libcharon/encoding/payloads/eap_payload.h
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+/*
+ * 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 eap_payload eap_payload
+ * @{ @ingroup payloads
+ */
+
+#ifndef EAP_PAYLOAD_H_
+#define EAP_PAYLOAD_H_
+
+typedef struct eap_payload_t eap_payload_t;
+
+#include <library.h>
+#include <encoding/payloads/payload.h>
+#include <sa/authenticators/eap/eap_method.h>
+
+/**
+ * Length of a EAP payload without the EAP Message in bytes.
+ */
+#define EAP_PAYLOAD_HEADER_LENGTH 4
+
+/**
+ * Class representing an IKEv2 EAP payload.
+ *
+ * The EAP payload format is described in RFC section 3.16.
+ */
+struct eap_payload_t {
+
+	/**
+	 * The payload_t interface.
+	 */
+	payload_t payload_interface;
+
+	/**
+	 * Set the contained EAP data.
+	 *
+	 * This contains the FULL EAP message starting with "code".
+	 * Chunk gets cloned.
+	 *
+	 * @param message	EAP data
+	 */
+	void (*set_data) (eap_payload_t *this, chunk_t data);
+
+	/**
+	 * Get the contained EAP data.
+	 *
+	 * This contains the FULL EAP message starting with "code".
+	 *
+	 * @return			EAP data (pointer to internal data)
+	 */
+	chunk_t (*get_data) (eap_payload_t *this);
+
+	/**
+	 * Get the EAP code.
+	 *
+	 * @return			EAP message as chunk_t
+	 */
+	eap_code_t (*get_code) (eap_payload_t *this);
+
+	/**
+	 * Get the EAP identifier.
+	 *
+	 * @return			unique identifier
+	 */
+	u_int8_t (*get_identifier) (eap_payload_t *this);
+
+	/**
+	 * Get the EAP method type.
+	 *
+	 * @param vendor	pointer receiving vendor identifier
+	 * @return			EAP method type, vendor specific if vendor != 0
+	 */
+	eap_type_t (*get_type) (eap_payload_t *this, u_int32_t *vendor);
+
+	/**
+	 * Destroys an eap_payload_t object.
+	 */
+	void (*destroy) (eap_payload_t *this);
+};
+
+/**
+ * Creates an empty eap_payload_t object.
+ *
+ * @return eap_payload_t object
+ */
+eap_payload_t *eap_payload_create(void);
+
+/**
+ * Creates an eap_payload_t object with data.
+ *
+ * @return eap_payload_t object
+ */
+eap_payload_t *eap_payload_create_data(chunk_t data);
+
+/**
+ * Creates an eap_payload_t object with a code.
+ *
+ * Could should be either EAP_SUCCESS/EAP_FAILURE, use
+ * constructor above otherwise.
+ *
+ * @param code			EAP status code
+ * @param identifier	EAP identifier to use in payload
+ * @return 				eap_payload_t object
+ */
+eap_payload_t *eap_payload_create_code(eap_code_t code, u_int8_t identifier);
+
+/**
+ * Creates an eap_payload_t EAP_RESPONSE containing an EAP_NAK.
+ *
+ * @param identifier	EAP identifier to use in payload
+ * @return 				eap_payload_t object
+ */
+eap_payload_t *eap_payload_create_nak(u_int8_t identifier);
+
+#endif /** EAP_PAYLOAD_H_ @}*/