| /* |
| * 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 |