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diff --git a/src/libstrongswan/plugins/cmac/cmac_prf.h b/src/libstrongswan/plugins/cmac/cmac_prf.h
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+++ b/src/libstrongswan/plugins/cmac/cmac_prf.h
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+/*
+ * Copyright (C) 2012 Tobias Brunner
+ * 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 cmac_prf cmac_prf
+ * @{ @ingroup cmac_p
+ */
+
+#ifndef PRF_CMAC_H_
+#define PRF_CMAC_H_
+
+typedef struct cmac_prf_t cmac_prf_t;
+
+#include <crypto/prfs/prf.h>
+
+/**
+ * Implementation of prf_t on CBC block cipher using CMAC, RFC 4493 / RFC 4615.
+ *
+ * This simply wraps a cmac_t in a prf_t. More a question of
+ * interface matching.
+ */
+struct cmac_prf_t {
+
+	/**
+	 * Implements prf_t interface.
+	 */
+	prf_t prf;
+};
+
+/**
+ * Creates a new cmac_prf_t object.
+ *
+ * @param algo		algorithm to implement
+ * @return			cmac_prf_t object, NULL if hash not supported
+ */
+cmac_prf_t *cmac_prf_create(pseudo_random_function_t algo);
+
+#endif /** PRF_CMAC_H_ @}*/