- implemented RSA, only signing and verifying esma_pkcs1 padded

- removed gmp-helper: chunk_to_mpz is now done with gmp functions, prime generation in prime-pool
- added prime-pool (needs priority fix)
- proof of concept RSA authentication
- mpz uses LEAK_DETECTIVE
- configuration-manager supports rsa keys

Source/charon/transforms/rsa/rsa_public_key.h

@@ -0,0 +1,63 @@
+/**
+ * @file rsa_public_key.h
+ * 
+ * @brief Interface rsa_public_key_t.
+ * 
+ */
+
+/*
+ * 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 RSA_PUBLIC_KEY_H_
+#define RSA_PUBLIC_KEY_H_
+
+#include <gmp.h>
+
+#include <types.h>
+#include <definitions.h>
+
+
+typedef struct rsa_public_key_t rsa_public_key_t;
+
+/**
+ * @brief RSA public key with associated functions.
+ * 
+ * Currently only supports signature verification using
+ * the EMSA encoding (see PKCS1)
+ * 
+ * @ingroup asymmetrics
+ */
+struct rsa_public_key_t {
+
+	status_t (*verify_emsa_pkcs1_signature) (rsa_public_key_t *this, chunk_t data, chunk_t signature);
+	
+	status_t (*set_key) (rsa_public_key_t *this, chunk_t key);
+	
+	status_t (*get_key) (rsa_public_key_t *this, chunk_t *key);
+	
+	status_t (*load_key) (rsa_public_key_t *this, char *file);
+	
+	status_t (*save_key) (rsa_public_key_t *this, char *file);
+
+	void (*destroy) (rsa_public_key_t *this);
+};
+
+/**
+ * 
+ * @ingroup asymmetrics
+ */
+rsa_public_key_t *rsa_public_key_create();
+
+#endif /*RSA_PUBLIC_KEY_H_*/