DH *dh_new_group_asc(const char *, const char *);
DH *dh_new_group(BIGNUM *, BIGNUM *);
DH *dh_new_group1(void);
DH *dh_new_group_asc(const char *, const char *);
DH *dh_new_group(BIGNUM *, BIGNUM *);
DH *dh_new_group1(void);
-void dh_gen_key(DH *, int);
-int dh_pub_is_valid(DH *dh, BIGNUM *dh_pub);
+void dh_gen_key(DH *, int);
+int dh_pub_is_valid(DH *, BIGNUM *);
+
+int dh_estimate(int);