paperkey: paperkey (OpenPGP key archiver) paperkey: paperkey: A reasonable way to achieve a long term backup of OpenPGP keys is to paperkey: print them out on paper. The reasoning behind this is that paper and paperkey: ink has amazingly long retention qualities - far longer than the paperkey: magnetic or optical means that are generally used to back up computer paperkey: data. paperkey: paperkey: paperkey: paperkey: