Errors

valid_signature
gpgkeys: key 4EEE9FCA84C23CB1 not found on keyserver
gpg: Signature made Sun Jul 18 23:58:56 2010 JST using DSA key ID 84C23CB1
gpg: requesting key 84C23CB1 from hkp server pool.sks-keyservers.net
gpg: no valid OpenPGP data found.
gpg: Can't check signature: public key not found
==> BAD/TAMPERED signature detected! <==