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 Mon 20 Oct 2008 04:25:25 PM JST
gpg:                using DSA key 58CA219610F54327
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==