--- /dev/null
+#!/usr/local/bin/perl
+
+use ExtUtils::testlib;
+
+use SSLeay;
+
+$a=SSLeay::BN::dec2bn("1231353465324563455");
+print "a=$a\n".$a->bn2dec."\n";
+$b=SSLeay::BN::dec2bn("98790816238765235");
+print "a=$a\nb=$b\n";
+print $a->gcd($b)."\n";
+