- const u_char *, u_int, int);
-void cipher_crypt(CipherContext *, u_char *, const u_char *, u_int);
-void cipher_cleanup(CipherContext *);
-void cipher_set_key_string(CipherContext *, Cipher *, const char *, int);
-u_int cipher_blocksize(const Cipher *);
-u_int cipher_keylen(const Cipher *);
+ const u_char *, u_int);
+void cipher_encrypt(CipherContext *, u_char *, const u_char *, u_int);
+void cipher_decrypt(CipherContext *, u_char *, const u_char *, u_int);
+void cipher_set_key_string(CipherContext *, Cipher *, const char *);