jpayne@69: /*
jpayne@69:  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
jpayne@69:  *
jpayne@69:  * Licensed under the OpenSSL license (the "License").  You may not use
jpayne@69:  * this file except in compliance with the License.  You can obtain a copy
jpayne@69:  * in the file LICENSE in the source distribution or at
jpayne@69:  * https://www.openssl.org/source/license.html
jpayne@69:  */
jpayne@69: 
jpayne@69: #ifndef HEADER_CAST_H
jpayne@69: # define HEADER_CAST_H
jpayne@69: 
jpayne@69: # include <openssl/opensslconf.h>
jpayne@69: 
jpayne@69: # ifndef OPENSSL_NO_CAST
jpayne@69: # ifdef  __cplusplus
jpayne@69: extern "C" {
jpayne@69: # endif
jpayne@69: 
jpayne@69: # define CAST_ENCRYPT    1
jpayne@69: # define CAST_DECRYPT    0
jpayne@69: 
jpayne@69: # define CAST_LONG unsigned int
jpayne@69: 
jpayne@69: # define CAST_BLOCK      8
jpayne@69: # define CAST_KEY_LENGTH 16
jpayne@69: 
jpayne@69: typedef struct cast_key_st {
jpayne@69:     CAST_LONG data[32];
jpayne@69:     int short_key;              /* Use reduced rounds for short key */
jpayne@69: } CAST_KEY;
jpayne@69: 
jpayne@69: void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);
jpayne@69: void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
jpayne@69:                       const CAST_KEY *key, int enc);
jpayne@69: void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key);
jpayne@69: void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key);
jpayne@69: void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,
jpayne@69:                       long length, const CAST_KEY *ks, unsigned char *iv,
jpayne@69:                       int enc);
jpayne@69: void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,
jpayne@69:                         long length, const CAST_KEY *schedule,
jpayne@69:                         unsigned char *ivec, int *num, int enc);
jpayne@69: void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
jpayne@69:                         long length, const CAST_KEY *schedule,
jpayne@69:                         unsigned char *ivec, int *num);
jpayne@69: 
jpayne@69: # ifdef  __cplusplus
jpayne@69: }
jpayne@69: # endif
jpayne@69: # endif
jpayne@69: 
jpayne@69: #endif