diff --git a/twrpDigest.hpp b/twrpDigest.hpp
index 2c08ec5..7ec25ed 100644
--- a/twrpDigest.hpp
+++ b/twrpDigest.hpp
@@ -29,10 +29,16 @@
 	int computeMD5(void);
 	int verify_md5digest(void);
 	int write_md5digest(void);
+	int updateMD5stream(unsigned char* stream, int len);
+	void finalizeMD5stream(void);
+	string createMD5string(void);
+	void initMD5(void);
 
 private:
 	int read_md5digest(void);
+	struct MD5Context md5c;
 	string md5fn;
 	string line;
 	unsigned char md5sum[MD5LENGTH];
+	string md5string;
 };