libpam-u2f 1.0.4-1 (powerpc binary) in ubuntu yakkety

 Universal 2nd Factor (U2F) is an authentication mechanism that strengthen
 other authentications, and through this PAM module it can be used to
 require a U2F device in order to authenticate.
 .
 This package contains the PAM module, which performs the U2F
 Authentication step. Before this, you need to perform the U2F Registration
 step which can be completed using the pamu2fcfg package.