Started implementing handling of DH Nonce attributes

2011-11-28 14:34:20 +01:00
parent 9a49d2e065
commit 0daee96b05
12 changed files with 426 additions and 41 deletions
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * HSR 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 pts_dh_group pts_dh_group
+ * @{ @ingroup pts
+ */
+
+#ifndef PTS_DH_GROUP_H_
+#define PTS_DH_GROUP_H_
+
+#include <library.h>
+#include <crypto/diffie_hellman.h>
+
+typedef enum pts_dh_group_t pts_dh_group_t;
+
+/**
+ * PTS Diffie Hellman Group Values
+ */
+enum pts_dh_group_t {
+	/** IKE Group 2 */
+	PTS_DH_GROUP_IKE2 =					 (1<<15),
+	/** IKE Group 5 */
+	PTS_DH_GROUP_IKE5 =					 (1<<14),
+	/** IKE Group 14 */
+	PTS_DH_GROUP_IKE14 =				 (1<<13),
+	/** IKE Group 19 */
+	PTS_DH_GROUP_IKE19 =				 (1<<12),
+	/** IKE Group 20 */
+	PTS_DH_GROUP_IKE20 =				 (1<<11),
+};
+
+/**
+ * Diffie-Hellman Group Values
+ * see section 3.8.6 of PTS Protocol: Binding to TNC IF-M Specification
+ *
+ *					   1
+ *   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |1|2|3|4|5|R|R|R|R|R|R|R|R|R|R|R|
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  
+ */
+
+/**
+ * Probe available PTS measurement algorithms
+ *
+ * @param groups		set of available groups
+ * @return				TRUE if mandatory group PTS_DH_GROUP_IKE19 is available
+ */
+bool pts_probe_dh_groups(pts_dh_group_t *groups);
+
+/**
+ * Update supported Diffie Hellman Groups according to configuration
+ *
+ * @param dh_group		configured Diffie Hellman Group
+ * @param groups		set of available groups
+ */
+bool pts_update_supported_dh_groups(char *dh_group, pts_dh_group_t *groups);
+
+/**
+ * Convert pts_dh_group_t to diffie_hellman_group_t
+ *
+ * @param dh_group		PTS Diffie Hellman Group type
+ * @return				libstrongswan diffie hellman group type
+ */
+diffie_hellman_group_t pts_dh_group_to_strongswan_dh_group(pts_dh_group_t dh_group);
+
+#endif /** PTS_DH_GROUP_H_ @}*/