Errors

valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Fri 14 Nov 2008 12:54:19 PM JST
gpg:                using RSA key CE3E5B6EF5D53DE9
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==