Errors

consistent_version
0.999_20120101,6.000000001
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 02 Jan 2012 08:09:57 AM JST
gpg:                using DSA key 48A50E63639680F0
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==