-Key *key_new(int type);
-Key *key_new_private(int type);
-void key_free(Key *k);
-int key_equal(Key *a, Key *b);
-char *key_fingerprint_ex(Key *k, enum fp_type dgst_type, enum fp_rep dgst_rep);
-char *key_fingerprint(Key *k);
-char *key_type(Key *k);
-int key_write(Key *key, FILE *f);
-int key_read(Key *key, char **cpp);
-u_int key_size(Key *k);
-
-Key *key_generate(int type, u_int bits);
-Key *key_from_private(Key *k);
-int key_type_from_name(char *name);
+Key *key_new(int);
+Key *key_new_private(int);
+void key_free(Key *);
+Key *key_demote(Key *);
+int key_equal(Key *, Key *);
+char *key_fingerprint(Key *, enum fp_type, enum fp_rep);
+char *key_type(Key *);
+int key_write(Key *, FILE *);
+int key_read(Key *, char **);
+u_int key_size(Key *);