Binary package “cryptsetup-bin” in ubuntu focal

disk encryption support - command line tools

 Cryptsetup provides an interface for configuring encryption on block
 devices (such as /home or swap partitions), using the Linux kernel
 device mapper target dm-crypt. It features integrated Linux Unified Key
 Setup (LUKS) support.
 .
 This package provides cryptsetup, cryptsetup-reencrypt, integritysetup
 and veritysetup.