-Key *key_new(int type);
-void key_free(Key *k);
-int key_equal(Key *a, Key *b);
-char *key_fingerprint(Key *k);
-char *key_type(Key *k);
-int key_write(Key *key, FILE *f);
-unsigned int key_read(Key *key, char **cpp);
-unsigned int key_size(Key *k);
+Key *key_new(int);
+Key *key_new_private(int);
+void key_free(Key *);
+Key *key_demote(const Key *);
+int key_equal(const Key *, const Key *);
+char *key_fingerprint(const Key *, enum fp_type, enum fp_rep);
+u_char *key_fingerprint_raw(const Key *, enum fp_type, u_int *);
+const char *key_type(const Key *);
+int key_write(const Key *, FILE *);
+int key_read(Key *, char **);
+u_int key_size(const Key *);
+
+Key *key_generate(int, u_int);
+Key *key_from_private(const Key *);
+int key_type_from_name(char *);
+
+Key *key_from_blob(const u_char *, u_int);
+int key_to_blob(const Key *, u_char **, u_int *);
+const char *key_ssh_name(const Key *);
+int key_names_valid2(const char *);
+
+int key_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
+int key_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
+
+int ssh_dss_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
+int ssh_dss_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
+int ssh_rsa_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
+int ssh_rsa_verify(const Key *, const u_char *, u_int, const u_char *, u_int);