2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 # define HEADER_CAST_H
13 # include <openssl/opensslconf.h>
15 # ifndef OPENSSL_NO_CAST
20 # define CAST_ENCRYPT 1
21 # define CAST_DECRYPT 0
23 # define CAST_LONG unsigned int
26 # define CAST_KEY_LENGTH 16
28 typedef struct cast_key_st {
30 int short_key; /* Use reduced rounds for short key */
33 void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);
34 void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
35 const CAST_KEY *key, int enc);
36 void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key);
37 void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key);
38 void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,
39 long length, const CAST_KEY *ks, unsigned char *iv,
41 void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,
42 long length, const CAST_KEY *schedule,
43 unsigned char *ivec, int *num, int enc);
44 void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
45 long length, const CAST_KEY *schedule,
46 unsigned char *ivec, int *num);