use strict; print "1..1\n"; if (!eval { require Module::Signature; 1 }) { print "ok 1 # skip ", "Next time around, consider installing Module::Signature, ", "so you can verify the integrity of this distribution.\n"; } elsif (!eval { require Socket; Socket::inet_aton('pgp.mit.edu') }) { print "ok 1 # skip ", "Cannot connect to the keyserver\n"; } else { print "not " unless Module::Signature::verify() == Module::Signature::SIGNATURE_OK(); print "ok 1 # Valid signature\n"; }