cpansign -v
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
Executing gpg --verify --batch --no-tty --keyserver=hkp://pool.sks-keyservers.net:11371 --keyserver-options=auto-key-retrieve /tmp/wqV866qF2z
gpg: Signature made Fri 10 Feb 2017 12:38:25 AM UTC
gpg: using DSA key 591E185470BE7C57CCF4516D9A6D92628FFDC942
gpg: BAD signature from "Reini Urban <rurban@x-ray.at>" [expired]
==> BAD/TAMPERED signature detected! <==
Not sure whether old signature alone or expired alone would lead to bad signature. But at least together they seem to have enough gravity.
Not sure whether
old signature
alone orexpired
alone would lead tobad signature
. But at least together they seem to have enough gravity.