-/*
- * Saves the authentication (private) key in a file, encrypting it with
- * passphrase.
- * For RSA keys: The identification of the file (lowest 64 bits of n)
- * will precede the key to provide identification of the key without
- * needing a passphrase.
- */
-int
-save_private_key(const char *filename, const char *passphrase,
- Key * private_key, const char *comment);
-
-/*
- * Loads the public part of the key file (public key and comment). Returns 0
- * if an error occurred; zero if the public key was successfully read. The
- * comment of the key is returned in comment_return if it is non-NULL; the
- * caller must free the value with xfree.
- */
-int load_public_key(const char *filename, Key * pub, char **comment_return);
-int try_load_public_key(const char *filename, Key * pub, char **comment_return);
-
-/*
- * Loads the private key from the file. Returns 0 if an error is encountered
- * (file does not exist or is not readable, or passphrase is bad). This
- * initializes the private key. The comment of the key is returned in
- * comment_return if it is non-NULL; the caller must free the value with
- * xfree.
- */
-int
-load_private_key(const char *filename, const char *passphrase,
- Key * private_key, char **comment_return);
+int key_save_private(Key *, const char *, const char *, const char *);
+Key *key_load_public(const char *, char **);
+Key *key_load_public_type(int, const char *, char **);
+Key *key_load_private(const char *, const char *, char **);
+Key *key_load_private_type(int, const char *, const char *, char **);
+Key *key_load_private_pem(int, int, const char *, char **);