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1/*2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.3 *4 * Licensed under the Apache License 2.0 (the "License").  You may not use5 * this file except in compliance with the License.  You can obtain a copy6 * in the file LICENSE in the source distribution or at7 * https://www.openssl.org/source/license.html8 */9 10#ifndef OPENSSL_CAST_H11#define OPENSSL_CAST_H12#pragma once13 14#include <openssl/macros.h>15#ifndef OPENSSL_NO_DEPRECATED_3_016#define HEADER_CAST_H17#endif18 19#include <openssl/opensslconf.h>20 21#ifndef OPENSSL_NO_CAST22#ifdef __cplusplus23extern "C" {24#endif25 26#define CAST_BLOCK 827#define CAST_KEY_LENGTH 1628 29#ifndef OPENSSL_NO_DEPRECATED_3_030 31#define CAST_ENCRYPT 132#define CAST_DECRYPT 033 34#define CAST_LONG unsigned int35 36typedef struct cast_key_st {37    CAST_LONG data[32];38    int short_key; /* Use reduced rounds for short key */39} CAST_KEY;40 41#endif /* OPENSSL_NO_DEPRECATED_3_0 */42#ifndef OPENSSL_NO_DEPRECATED_3_043OSSL_DEPRECATEDIN_3_044void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);45OSSL_DEPRECATEDIN_3_046void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,47    const CAST_KEY *key, int enc);48OSSL_DEPRECATEDIN_3_049void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key);50OSSL_DEPRECATEDIN_3_051void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key);52OSSL_DEPRECATEDIN_3_053void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,54    long length, const CAST_KEY *ks, unsigned char *iv,55    int enc);56OSSL_DEPRECATEDIN_3_057void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,58    long length, const CAST_KEY *schedule,59    unsigned char *ivec, int *num, int enc);60OSSL_DEPRECATEDIN_3_061void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,62    long length, const CAST_KEY *schedule,63    unsigned char *ivec, int *num);64#endif65 66#ifdef __cplusplus67}68#endif69#endif70 71#endif72