{ ... }: let keys = [ # username of YubiKey owner (me! :3) "mel" # "carnal" YubiKey "7dYKqa9yw69hXwmYd61Bw0hnnxbSsASieIBmokmbAHArJexkPz+TGRVdXW2U8QiLAoe9l1QKo3jrtQxxbBiuFQ==,N7bABlRz0DvIqwxgBnTiyNZ4/JnRIRUEhVk+95h7+KtbTYdnoGnSaqiiimGQxTWxOHfpHbuii127f0HUwYPmXw==,es256,+presence" # "anatomy" YubiKey "//CLbB23LlMtMwefGzrMVELgTkIcfMRSjxJlQDvQ3FKRrlyPA75rosYVl5tqQbkPyed0fwsAkr1vhqPtth4GMQ==,VwxKl0ZYDmCTU02ziMigG1ZVC1MXDH9qeuBT1qplw1pt++tV32xao/yHayiRc2hvbJdJjfplQxT7mLnW90u9WQ==,es256,+presence" ]; in { xdg.configFile = { "Yubico/u2f_keys".text = builtins.concatStringsSep ":" keys; }; }