lib/libcrypto/bn/bn_prime.pl

   1 #!/usr/local/bin/perl
   2 # bn_prime.pl
   3
   4 $num=2048;
   5 $num=$ARGV[0] if ($#ARGV >= 0);
   6
   7 push(@primes,2);
   8 $p=1;
   9 loop: while ($#primes < $num-1)
  10         {
  11         $p+=2;
  12         $s=int(sqrt($p));
  13
  14         for ($i=0; defined($primes[$i]) && $primes[$i]<=$s; $i++)
  15                 {
  16                 next loop if (($p%$primes[$i]) == 0);
  17                 }
  18         push(@primes,$p);
  19         }
  20
  21 # print <<"EOF";
  22 # /* Auto generated by bn_prime.pl */
  23 # /* Copyright (C) 1995-1997 Eric Young (eay\@mincom.oz.au).
  24 #  * All rights reserved.
  25 #  * Copyright remains Eric Young's, and as such any Copyright notices in
  26 #  * the code are not to be removed.
  27 #  * See the COPYRIGHT file in the SSLeay distribution for more details.
  28 #  */
  29 #
  30 # EOF
  31
  32 print <<\EOF;
  33 /* Auto generated by bn_prime.pl */
  34 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  35  * All rights reserved.
  36  *
  37  * This package is an SSL implementation written
  38  * by Eric Young (eay@cryptsoft.com).
  39  * The implementation was written so as to conform with Netscapes SSL.
  40  *
  41  * This library is free for commercial and non-commercial use as long as
  42  * the following conditions are aheared to.  The following conditions
  43  * apply to all code found in this distribution, be it the RC4, RSA,
  44  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  45  * included with this distribution is covered by the same copyright terms
  46  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  47  *
  48  * Copyright remains Eric Young's, and as such any Copyright notices in
  49  * the code are not to be removed.
  50  * If this package is used in a product, Eric Young should be given attribution
  51  * as the author of the parts of the library used.
  52  * This can be in the form of a textual message at program startup or
  53  * in documentation (online or textual) provided with the package.
  54  *
  55  * Redistribution and use in source and binary forms, with or without
  56  * modification, are permitted provided that the following conditions
  57  * are met:
  58  * 1. Redistributions of source code must retain the copyright
  59  *    notice, this list of conditions and the following disclaimer.
  60  * 2. Redistributions in binary form must reproduce the above copyright
  61  *    notice, this list of conditions and the following disclaimer in the
  62  *    documentation and/or other materials provided with the distribution.
  63  * 3. All advertising materials mentioning features or use of this software
  64  *    must display the following acknowledgement:
  65  *    "This product includes cryptographic software written by
  66  *     Eric Young (eay@cryptsoft.com)"
  67  *    The word 'cryptographic' can be left out if the rouines from the library
  68  *    being used are not cryptographic related :-).
  69  * 4. If you include any Windows specific code (or a derivative thereof) from
  70  *    the apps directory (application code) you must include an acknowledgement:
  71  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  72  *
  73  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  74  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  75  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  76  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  77  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  78  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  79  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  80  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  81  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  82  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  83  * SUCH DAMAGE.
  84  *
  85  * The licence and distribution terms for any publically available version or
  86  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  87  * copied and put under another distribution licence
  88  * [including the GNU Public Licence.]
  89  */
  90
  91 EOF
  92
  93 printf "#define NUMPRIMES %d\n",$num;
  94 printf "typedef unsigned short prime_t;\n";
  95 print "static const prime_t primes[NUMPRIMES]=\n{\n\t";
  96 for ($i=0; $i <= $#primes; $i++)
  97         {
  98         printf("\n\t") if (($i%8) == 0) && ($i != 0);
  99         printf("%4d,",$primes[$i]);
 100         }
 101 print "\n};\n";
 102
 103