[SECURITY] Fedora 28 Update: yubico-piv-tool-1.6.0-1.fc28

The Yubico PIV tool is used for interacting with the Privilege and Identification Card (PIV) applet on a YubiKey NEO. With it you may generate keys on the device, importing keys and certificate s, and create certificate requests, and other operations. A shared library and a command-line tool is included.