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freebsd/sys/crypto/blowfish/blowfish.h
Yoshinobu Inoue 6a800098cc IPSEC support in the kernel.
pr_input() routines prototype is also changed to support IPSEC and IPV6
chained protocol headers.

Reviewed by: freebsd-arch, cvs-committers
Obtained from: KAME project
1999-12-22 19:13:38 +00:00

125 lines
4.6 KiB
C

/* crypto/bf/blowfish.h */
/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@mincom.oz.au).
* 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@mincom.oz.au).
*
* 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@mincom.oz.au)"
* 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@mincom.oz.au)"
*
* 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.]
*
* $FreeBSD$
*/
#ifndef HEADER_BLOWFISH_H
#define HEADER_BLOWFISH_H
#ifdef __cplusplus
extern "C" {
#endif
#define BF_ENCRYPT 1
#define BF_DECRYPT 0
/* If you make this 'unsigned int' the pointer variants will work on
* the Alpha, otherwise they will not. Strangly using the '8 byte'
* BF_LONG and the default 'non-pointer' inner loop is the best configuration
* for the Alpha */
#define BF_LONG unsigned long
#define BF_ROUNDS 16
#define BF_BLOCK 8
typedef struct bf_key_st
{
BF_LONG P[BF_ROUNDS+2];
BF_LONG S[4*256];
} BF_KEY;
#ifndef NOPROTO
void BF_set_key(BF_KEY *key, int len, unsigned char *data);
void BF_ecb_encrypt(unsigned char *in,unsigned char *out,BF_KEY *key,
int encrypt);
void BF_encrypt(BF_LONG *data,BF_KEY *key,int encrypt);
void BF_cbc_encrypt(unsigned char *in, unsigned char *out, long length,
BF_KEY *ks, unsigned char *iv, int encrypt);
void BF_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
BF_KEY *schedule, unsigned char *ivec, int *num, int encrypt);
void BF_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
BF_KEY *schedule, unsigned char *ivec, int *num);
char *BF_options(void);
/* added by itojun */
struct mbuf;
void BF_cbc_encrypt_m(struct mbuf *, int, int, BF_KEY *,
unsigned char *, int);
#else
void BF_set_key();
void BF_ecb_encrypt();
void BF_encrypt();
void BF_cbc_encrypt();
void BF_cfb64_encrypt();
void BF_ofb64_encrypt();
char *BF_options();
/* added by itojun */
void BF_cbc_encrypt_m();
#endif
#ifdef __cplusplus
}
#endif
#endif