Reorganized in 1984 as a privately held company, Fiserv transformed itself through a corporate acquisitions strategy resulting in more than 150 acquisitions during the following 25 years. Beginning as a $21 million business with 350 employees, by 2009 it had become a Fortune 500 company worth $4.7 billion with more than 19,000 employees.
GnuPG Signature/Key. GPG file is a GnuPG Signature/Key file. GnuPG, which stands for GNU Privacy Guard (GPG) is the GNU project's complete and free implementation of the OpenPGP standard as defined by RFC4880 .
Let's say you verify someone's signature with GPG: $ gpg --decrypt statement.txt.sig I am not a crook. gpg: Signature made 17 Nov 1973 9:31:50 AM CDT using RSA key ID 92861D99 gpg: Good signature from Richard Nixon <rnixon@whitehouse.gov> gpg: aka [jpeg image of size 19022].