- created encoding package

1 files changed, 93 insertions, 0 deletions

diff --git a/Source/charon/encoding/payloads/nonce_payload.h b/Source/charon/encoding/payloads/nonce_payload.h
new file mode 100644
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+++ b/Source/charon/encoding/payloads/nonce_payload.h
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+/**
+ * @file nonce_payload.h
+ * 
+ * @brief Declaration of the class nonce_payload_t. 
+ * 
+ * An object of this type represents an IKEv2 Nonce-Payload.
+ * 
+ */
+
+/*
+ * 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 NONCE_PAYLOAD_H_
+#define NONCE_PAYLOAD_H_
+
+#include <types.h>
+#include <encoding/payloads/payload.h>
+
+/**
+ * length of a nonce payload without a nonce in int
+ */
+#define NONCE_PAYLOAD_HEADER_LENGTH 4
+
+/**
+ * Object representing an IKEv2 Nonce payload
+ * 
+ * The Nonce payload format is described in draft section 3.3.
+ * 
+ */
+typedef struct nonce_payload_s nonce_payload_t;
+
+struct nonce_payload_s {
+	/**
+	 * implements payload_t interface
+	 */
+	payload_t payload_interface;
+
+	/**
+	 * @brief Set the nonce value.
+	 * 
+	 * The nonce must have length between 16 and 256 bytes
+	 *
+	 * @param this 			calling nonce_payload_t object
+	 * @param nonce	  		chunk containing the nonce, will be cloned
+	 * @return 				
+	 * 						- SUCCESS or
+	 * 						- INVALID_ARG, if nonce has an invalid size
+	 */
+	status_t (*set_nonce) (nonce_payload_t *this, chunk_t nonce);
+	
+	/**
+	 * @brief Get the nonce value.
+	 *
+	 * @param this 			calling nonce_payload_t object
+	 * @param[out] nonce	chunk where nonce data is located (cloned)
+	 * @return 				SUCCESS in any case
+	 */
+	status_t (*get_nonce) (nonce_payload_t *this, chunk_t *nonce);
+	
+	/**
+	 * @brief Destroys an nonce_payload_t object.
+	 *
+	 * @param this 	nonce_payload_t object to destroy
+	 * @return 		
+	 * 				SUCCESS in any case
+	 */
+	status_t (*destroy) (nonce_payload_t *this);
+};
+
+/**
+ * @brief Creates an empty nonce_payload_t object
+ * 
+ * @return			
+ * 					- created nonce_payload_t object, or
+ * 					- NULL if failed
+ */
+ 
+nonce_payload_t *nonce_payload_create();
+
+
+#endif /*NONCE_PAYLOAD_H_*/