typedef struct Directory Directory;
struct Directory {
	char *directory;
	char *newreg;
	char *newauthz;
	char *newcert;
	char *revoke;
};

Directory *parse_directory(char*);

JSON* registration_json(char*);
char* get_nonce(char*);

char* signed_request(RSApub*, char*, char*);

char* donewreg(Directory*, RSApub*, char*);
char* donewcert(Directory*, RSApub*, uchar*, int);
char* donewauthz(Directory*, RSApub*, char*);
int dochallenge(Directory*, RSApub*, ACMEChallenge*, char*);