- rewrote a lot of RSA stuff

- done major work for ASN1/decoder
- allow loading of ASN1 der encoded private keys, public keys and certificates
- extracting public key from certificates
- passing certificates from stroke to charon

=> basic authentication with RSA certificates works!

Source/charon/utils/logger.h

@@ -156,6 +156,16 @@ struct logger_t {
 	 */
 	void (*disable_level) (logger_t *this, log_level_t log_level);
 
+	/**
+	 * @brief Set the output of the logger.
+	 * 
+	 * Use NULL for syslog.
+	 *
+	 * @param this 		logger_t object
+	 * @param output	file, where log output should be written
+	 */
+	void (*set_output) (logger_t *this, FILE *output);
+
 	/**
 	 * @brief Get the currently used loglevel.
 	 *