hp plugin error

Downloading plug-in from: http://www.openprinting.org/download/printdriver/auxfiles/HP/plugins/hplip-3.11.1-plugin.run
Downloading plug-in: [******************************************************] 100%  8.0 KB   Receiving digital keys: /usr/bin/gpg --no-permission-warning --keyserver pgp.mit.edu --recv-keys 0xA59047B9

error: Plug-in file does not match its digital signature. File may have been corrupted or altered. Error code: 2