[svn-upgrade] Integrating new upstream version, strongswan (4.2.4)

1 files changed, 78 insertions, 0 deletions

diff --git a/src/libstrongswan/plugins/xcbc/xcbc.h b/src/libstrongswan/plugins/xcbc/xcbc.h
new file mode 100644
index 000000000..81812442e
--- /dev/null
+++ b/src/libstrongswan/plugins/xcbc/xcbc.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2008 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.
+ */
+
+/**
+ * @defgroup xcbc xcbc
+ * @{ @ingroup xcbc_p
+ */
+
+#ifndef XCBC_H_
+#define XCBC_H_
+
+typedef struct xcbc_t xcbc_t;
+
+#include <crypto/hashers/hasher.h>
+
+/**
+ * Message authentication using CBC crypter.
+ *
+ * This class implements the message authenticaion algorithm
+ * described in RFC3566.
+ */
+struct xcbc_t {
+	
+	/**
+	 * Generate message authentication code.
+	 * 
+	 * If buffer is NULL, no result is given back. A next call will
+	 * append the data to already supplied data. If buffer is not NULL, 
+	 * the mac of all apended data is calculated, returned and the
+	 * state of the xcbc_t is reseted.
+	 * 
+	 * @param data		chunk of data to authenticate
+	 * @param buffer	pointer where the generated bytes will be written
+	 */
+	void (*get_mac) (xcbc_t *this, chunk_t data, u_int8_t *buffer);
+	
+	/**
+	 * Get the block size of this xcbc_t object.
+	 * 
+	 * @return			block size in bytes
+	 */
+	size_t (*get_block_size) (xcbc_t *this);
+	
+	/**
+	 * Set the key for this xcbc_t object.
+	 * 
+	 * @param key		key to set
+	 */
+	void (*set_key) (xcbc_t *this, chunk_t key);
+	
+	/**
+	 * Destroys a xcbc_t object.
+	 */
+	void (*destroy) (xcbc_t *this);
+};
+
+/**
+ * Creates a new xcbc_t object.
+ * 
+ * @param algo			underlying crypto algorithm
+ * @param key_size		key size to use, if required for algorithm
+ * @return				xcbc_t object, NULL if not supported
+ */
+xcbc_t *xcbc_create(encryption_algorithm_t algo, size_t key_size);
+
+#endif /*xcbc_H_ @}*/