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 Sat 03 Jul 2010 04:00:51 PM JST
gpg:                using DSA key 0B43A050F80BD927
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==