OpenPGP

#!/usr/bin/perl
use strict;
use warnings;

# genera chiavi pubblica e privata di Crypt::OpenPGP
# cifrare dati
# decifrare dati

use Crypt::OpenPGP;

my $size  = '1024';
my $ident = 'Mario Rossano <anak@cpan.org>';
my $pass  = 'pippo';
my $public_file  = 'public.pgp';
my $private_file = 'private.pgp';

my $plainText='test';

my $keychain = Crypt::OpenPGP->new();

my ($public, $private) = $keychain->keygen (
    Type => 'RSA',
    Identity  => $ident,
    Size      => $size,
    Passphrase  => $pass,
    Verbosity => 1,
) or die $keychain->errstr();

my $public_str = $public->save;
my $private_str = $private->save;

print "Public encrypting_key: ".$public->encrypting_key ."\n";
print "Private encrypting_key: ".$private->encrypting_key ."\n";

open my $fh,'>',$public_file or die $!;
    print $fh $public_str;
close $fh;

open $fh, '>', $private_file or die $!;
    print $fh $private_str;
close $fh;

my $pgp = Crypt::OpenPGP->new(
    PubRing => $public_file,
    SecRing => $private_file
);

my $cyphertext = $pgp->encrypt (
    Data    => $plainText,
    Recipients => $ident
) or die $pgp->errstr();

print "testo criptato: ".$cyphertext;

my $decryptedText = $pgp->decrypt (
    Data => $cyphertext,
        Passphrase => $pass
) || die $pgp->errstr();

print "testo decriptato: ".$decryptedText."\n";