"SfR Fresh" - the SfR Freeware/Shareware Archive

Member "pms-0.94/include/blowfish.h" of archive pms-0.94.tar.gz:

    1 /* crypto/bf/blowfish.h */
    2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
    3  * All rights reserved.
    4  *
    5  * This package is an SSL implementation written
    6  * by Eric Young (eay@cryptsoft.com).
    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@cryptsoft.com).
   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@cryptsoft.com)"
   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@cryptsoft.com)"
   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 enc);
   89 void BF_encrypt(BF_LONG *data,BF_KEY *key);
   90 void BF_decrypt(BF_LONG *data,BF_KEY *key);
   91 void BF_cbc_encrypt(unsigned char *in, unsigned char *out, long length,
   92 	BF_KEY *ks, unsigned char *iv, int enc);
   93 void BF_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
   94 	BF_KEY *schedule, unsigned char *ivec, int *num, int enc);
   95 void BF_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
   96 	BF_KEY *schedule, unsigned char *ivec, int *num);
   97 char *BF_options(void);
   98 
   99 #else
  100 
  101 void BF_set_key();
  102 void BF_ecb_encrypt();
  103 void BF_encrypt();
  104 void BF_decrypt();
  105 void BF_cbc_encrypt();
  106 void BF_cfb64_encrypt();
  107 void BF_ofb64_encrypt();
  108 char *BF_options();
  109 
  110 #endif
  111 
  112 #ifdef  __cplusplus
  113 }
  114 #endif
  115 
  116 #endif