--- a/rsa.h	Fri Mar 27 23:23:11 2020 +0800
+++ b/rsa.h	Mon Apr 06 23:18:26 2020 +0800
@@ -26,13 +26,12 @@
 #define DROPBEAR_RSA_H_
 
 #include "includes.h"
+#include "signkey.h"
 #include "buffer.h"
 
 #if DROPBEAR_RSA 
 
-#define RSA_SIGNATURE_SIZE (4+7+4+40)
-
-typedef struct {
+typedef struct dropbear_RSA_Key {
 
 	mp_int* n;
 	mp_int* e;
@@ -43,9 +42,11 @@
 
 } dropbear_rsa_key;
 
-void buf_put_rsa_sign(buffer* buf, const dropbear_rsa_key *key, const buffer *data_buf);
+void buf_put_rsa_sign(buffer* buf, const dropbear_rsa_key *key, 
+        enum signkey_type sigtype, const buffer *data_buf);
 #if DROPBEAR_SIGNKEY_VERIFY
-int buf_rsa_verify(buffer * buf, const dropbear_rsa_key *key, const buffer *data_buf);
+int buf_rsa_verify(buffer * buf, const dropbear_rsa_key *key, 
+        enum signkey_type sigtype, const buffer *data_buf);
 #endif
 int buf_get_rsa_pub_key(buffer* buf, dropbear_rsa_key *key);
 int buf_get_rsa_priv_key(buffer* buf, dropbear_rsa_key *key);