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 19 Apr 2010 10:58:48 PM JST
gpg:                using DSA key 9346AC7FB886D2D4
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==