- 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/definitions.h

@@ -166,6 +166,13 @@
  * 
  * @ingroup transforms
  */
+/**
+ * @defgroup asn1 asn1
+ * 
+ * ASN1 structure definition, en-/decoder of for DER
+ * 
+ * @todo Implement a der_encoder_t class.
+ */
  
 /**
  * @defgroup utils utils