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#!/usr/local/bin/perl
# bn_prime.pl
$num=2048;
$num=$ARGV[0] if ($#ARGV >= 0);
push(@primes,2);
$p=1;
loop: while ($#primes < $num-1)
{
$p+=2;
$s=int(sqrt($p));
for ($i=0; defined($primes[$i]) && $primes[$i]<=$s; $i++)
{
next loop if (($p%$primes[$i]) == 0);
}
push(@primes,$p);
}
# print <<"EOF";
# /* Auto generated by bn_prime.pl */
# /* Copyright (C) 1995-1997 Eric Young (eay\@mincom.oz.au).
# * All rights reserved.
# * Copyright remains Eric Young's, and as such any Copyright notices in
# * the code are not to be removed.
# * See the COPYRIGHT file in the SSLeay distribution for more details.
# */
#
# EOF
print <<\EOF;
/* Auto generated by bn_prime.pl */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* 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@cryptsoft.com).
*
* 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@cryptsoft.com)"
* 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@cryptsoft.com)"
*
* 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.]
*/
EOF
for ($i=0; $i <= $#primes; $i++)
{
if ($primes[$i] > 256)
{
$eight=$i;
last;
}
}
printf "#ifndef EIGHT_BIT\n";
printf "#define NUMPRIMES %d\n",$num;
printf "typedef unsigned short prime_t;\n";
printf "#else\n";
printf "#define NUMPRIMES %d\n",$eight;
printf "typedef unsigned char prime_t;\n";
printf "#endif\n";
print "static const prime_t primes[NUMPRIMES]=\n\t{\n\t";
$init=0;
for ($i=0; $i <= $#primes; $i++)
{
printf "\n#ifndef EIGHT_BIT\n\t" if ($primes[$i] > 256) && !($init++);
printf("\n\t") if (($i%8) == 0) && ($i != 0);
printf("%4d,",$primes[$i]);
}
print "\n#endif\n\t};\n";