/* crypto/cast/cast.h *//* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. *  * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to.  The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code.  The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). *  * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. *  * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *    "This product includes cryptographic software written by *     Eric Young (eay@cryptsoft.com)" *    The word 'cryptographic' can be left out if the rouines from the library *    being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from  *    the apps directory (application code) you must include an acknowledgement: *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" *  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. *  * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed.  i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */#ifndef HEADER_CAST_H#define HEADER_CAST_H#ifdef  __cplusplusextern "C" {#endif#ifdef NO_CAST#error CAST is disabled.#endif#define CAST_ENCRYPT	1#define CAST_DECRYPT	0#define CAST_LONG unsigned long#define CAST_BLOCK	8#define CAST_KEY_LENGTH	16typedef 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,CAST_KEY *key,		      int enc);void CAST_encrypt(CAST_LONG *data,CAST_KEY *key);void CAST_decrypt(CAST_LONG *data,CAST_KEY *key);void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,		      CAST_KEY *ks, unsigned char *iv, int enc);void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,			long length, CAST_KEY *schedule, unsigned char *ivec,			int *num, int enc);void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out, 			long length, CAST_KEY *schedule, unsigned char *ivec,			int *num);#ifdef  __cplusplus}#endif#endif