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	1	/* crypto/bf/blowfish.h */
	2	/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@mincom.oz.au).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@mincom.oz.au).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@mincom.oz.au)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@mincom.oz.au)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#ifndef HEADER_BLOWFISH_H
	60	#define HEADER_BLOWFISH_H
	61
	62	#ifdef __cplusplus
	63	extern "C" {
	64	#endif
	65
	66	#define BF_ENCRYPT 1
	67	#define BF_DECRYPT 0
	68
	69	/* If you make this 'unsigned int' the pointer variants will work on
	70	* the Alpha, otherwise they will not. Strangly using the '8 byte'
	71	* BF_LONG and the default 'non-pointer' inner loop is the best configuration
	72	* for the Alpha */
	73	#define BF_LONG unsigned long
	74
	75	#define BF_ROUNDS 16
	76	#define BF_BLOCK 8
	77
	78	typedef struct bf_key_st
	79	{
	80	BF_LONG P[BF_ROUNDS+2];
	81	BF_LONG S[4*256];
	82	} BF_KEY;
	83
	84	#ifndef NOPROTO
	85
	86	void BF_set_key(BF_KEY key, int len, unsigned char data);
	87	void BF_ecb_encrypt(unsigned char in,unsigned char out,BF_KEY *key,
	88	int encrypt);
	89	void BF_encrypt(BF_LONG data,BF_KEY key,int encrypt);
	90	void BF_cbc_encrypt(unsigned char in, unsigned char out, long length,
	91	BF_KEY ks, unsigned char iv, int encrypt);
	92	void BF_cfb64_encrypt(unsigned char in, unsigned char out, long length,
	93	BF_KEY schedule, unsigned char ivec, int *num, int encrypt);
	94	void BF_ofb64_encrypt(unsigned char in, unsigned char out, long length,
	95	BF_KEY schedule, unsigned char ivec, int *num);
	96	char *BF_options(void);
	97
	98	/* added by itojun */
	99	struct mbuf;
	100	void BF_cbc_encrypt_m(struct mbuf , int, int, BF_KEY ,
	101	unsigned char *, int);
	102
	103	#else
	104
	105	void BF_set_key();
	106	void BF_ecb_encrypt();
	107	void BF_encrypt();
	108	void BF_cbc_encrypt();
	109	void BF_cfb64_encrypt();
	110	void BF_ofb64_encrypt();
	111	char *BF_options();
	112
	113	/* added by itojun */
	114	void BF_cbc_encrypt_m();
	115
	116	#endif
	117
	118	#ifdef __cplusplus
	119	}
	120	#endif
	121
	122	#endif