Binary package “libcryptsetup4-udeb” in ubuntu precise
disk encryption support - shared library (udeb)
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.
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This udeb package provides libcryptsetup for the Debian Installer.