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 07 Dec 2012 06:23:43 PM JST
gpg:                using DSA key 70DB382C5B2036E3
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==