#!/usr/bin/perl -I../../.. use strict; use warnings; use Mail::DKIM::Algorithm::rsa_sha1; unless (-f "private.key") { die "File not found: private.key\n"; } my $rsa_sha1 = new Mail::DKIM::Algorithm::rsa_sha1( KeyFile => "private.key"); while () { chomp; $rsa_sha1->PRINT("$_\015\012"); } $rsa_sha1->CLOSE; print $rsa_sha1->sign;