libpam-u2f - 1.1.0-1.1+deb11u1 main

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.
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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.