-ssh_login(Key **, int, const char *, struct sockaddr *, struct passwd *);
+ssh_login(Sensitive *, const char *, struct sockaddr *, struct passwd *);
+
+int verify_host_key(char *, struct sockaddr *, Key *);
+
+void ssh_kex(char *, struct sockaddr *);
+void ssh_kex2(char *, struct sockaddr *);