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 Thu 17 Nov 2011 11:13:08 PM JST
gpg:                using DSA key 5859316517CBC172
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==