crypto/openssl-0.9.7e/bugs/stream.c

   1 /* bugs/stream.c */
   2 /* Copyright (C) 1995-1998 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 #include <stdio.h>
  60 #include <openssl/rc4.h>
  61 #ifdef OPENSSL_NO_DES
  62 #include <des.h>
  63 #else
  64 #include <openssl/des.h>
  65 #endif
  66
  67 /* show how stream ciphers are not very good.  The mac has no affect
  68  * on RC4 while it does for cfb DES
  69  */
  70
  71 main()
  72         {
  73         fprintf(stderr,"rc4\n");
  74         rc4();
  75         fprintf(stderr,"cfb des\n");
  76         des();
  77         }
  78
  79 int des()
  80         {
  81         des_key_schedule ks;
  82         des_cblock iv,key;
  83         int num;
  84         static char *keystr="01234567";
  85         static char *in1="0123456789ABCEDFdata 12345";
  86         static char *in2="9876543210abcdefdata 12345";
  87         unsigned char out[100];
  88         int i;
  89
  90         des_set_key((des_cblock *)keystr,ks);
  91
  92         num=0;
  93         memset(iv,0,8);
  94         des_cfb64_encrypt(in1,out,26,ks,(des_cblock *)iv,&num,1);
  95         for (i=0; i<26; i++)
  96                 fprintf(stderr,"%02X ",out[i]);
  97         fprintf(stderr,"\n");
  98
  99         num=0;
 100         memset(iv,0,8);
 101         des_cfb64_encrypt(in2,out,26,ks,(des_cblock *)iv,&num,1);
 102         for (i=0; i<26; i++)
 103                 fprintf(stderr,"%02X ",out[i]);
 104         fprintf(stderr,"\n");
 105         }
 106
 107 int rc4()
 108         {
 109         static char *keystr="0123456789abcdef";
 110         RC4_KEY key;
 111         unsigned char in[100],out[100];
 112         int i;
 113
 114         RC4_set_key(&key,16,keystr);
 115         in[0]='\0';
 116         strcpy(in,"0123456789ABCEDFdata 12345");
 117         RC4(key,26,in,out);
 118
 119         for (i=0; i<26; i++)
 120                 fprintf(stderr,"%02X ",out[i]);
 121         fprintf(stderr,"\n");
 122
 123         RC4_set_key(&key,16,keystr);
 124         in[0]='\0';
 125         strcpy(in,"9876543210abcdefdata 12345");
 126         RC4(key,26,in,out);
 127
 128         for (i=0; i<26; i++)
 129                 fprintf(stderr,"%02X ",out[i]);
 130         fprintf(stderr,"\n");
 131         }