cast.h
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/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef HEADER_CAST_H
# define HEADER_CAST_H
# include <openssl/opensslconf.h>
# ifndef OPENSSL_NO_CAST
# ifdef __cplusplus
extern "C" {
# endif
# define CAST_ENCRYPT 1
# define CAST_DECRYPT 0
# define CAST_LONG unsigned int
# define CAST_BLOCK 8
# define CAST_KEY_LENGTH 16
typedef struct cast_key_st {
CAST_LONG data[32];
int short_key; /* Use reduced rounds for short key */
} CAST_KEY;
void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);
void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
const CAST_KEY *key, int enc);
void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key);
void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key);
void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,
long length, const CAST_KEY *ks, unsigned char *iv,
int enc);
void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,
long length, const CAST_KEY *schedule,
unsigned char *ivec, int *num, int enc);
void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
long length, const CAST_KEY *schedule,
unsigned char *ivec, int *num);
# ifdef __cplusplus
}
# endif
# endif
#endif