home *** CD-ROM | disk | FTP | other *** search
- /* 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.]
- */
-
- #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
-