Errors

consistent_version
0.05,0.48,1.53,1.80
use_warnings
Math::BigFloat, Math::BigInt, Math::BigInt::Calc, Math::BigInt::CalcEmu
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 05 Mar 2007 12:45:23 AM JST
gpg:                using RSA key 770B3C4393B84C15
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==