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-rw-r--r--crypto/bn/bn_prime.pl56
1 files changed, 56 insertions, 0 deletions
diff --git a/crypto/bn/bn_prime.pl b/crypto/bn/bn_prime.pl
new file mode 100644
index 0000000000..979385a334
--- /dev/null
+++ b/crypto/bn/bn_prime.pl
@@ -0,0 +1,56 @@
+#!/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";
+
+