pkcs11: Added support for DH.

2011-10-31 18:45:36 +01:00
parent df241121fd
commit 1bb5d7c3cb
4 changed files with 377 additions and 0 deletions
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2011 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 pkcs11_dh pkcs11_dh
+ * @{ @ingroup pkcs11
+ */
+
+#ifndef PKCS11_DH_H_
+#define PKCS11_DH_H_
+
+typedef struct pkcs11_dh_t pkcs11_dh_t;
+
+#include <library.h>
+
+/**
+ * Implementation of the Diffie-Hellman algorithm via PKCS#11.
+ */
+struct pkcs11_dh_t {
+
+	/**
+	 * Implements diffie_hellman_t interface.
+	 */
+	diffie_hellman_t dh;
+};
+
+/**
+ * Creates a new pkcs11_dh_t object.
+ *
+ * @param group			Diffie Hellman group number to use
+ * @return				pkcs11_dh_t object, NULL if not supported
+ */
+pkcs11_dh_t *pkcs11_dh_create(diffie_hellman_group_t group);
+
+/**
+ * Creates a new pkcs11_dh_t object for MODP_CUSTOM.
+ *
+ * @param group			MODP_CUSTOM
+ * @param g				generator
+ * @param p				prime
+ * @return				pkcs11_dh_t object, NULL if not supported
+ */
+pkcs11_dh_t *pkcs11_dh_create_custom(diffie_hellman_group_t group,
+									 chunk_t g, chunk_t p);
+
+#endif /** PKCS11_DH_H_ @}*/
+