#!/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; $primes[$i]<=$s; $i++) { next loop if (($p%$primes[$i]) == 0); } push(@primes,$p); } print <<"EOF"; /* Auto generated by bn_prime.pl */ /* Copyright (C) 1995-1997 Eric Young (eay\@mincom.oz.au). * All rights reserved. * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * See the COPYRIGHT file in the SSLeay distribution for more details. */ EOF for ($i=0; $i <= $#primes; $i++) { if ($primes[$i] > 256) { $eight=$i; last; } } printf "#ifndef EIGHT_BIT\n"; printf "#define NUMPRIMES %d\n",$num; printf "#else\n"; printf "#define NUMPRIMES %d\n",$eight; printf "#endif\n"; print "static unsigned int 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";