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 21 Feb 2014 02:43:09 PM JST
gpg:                using RSA key B08303CF8E34293B
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==