Maintainers for libcryptsetup-dev are Debian Cryptsetup Team <pkg-cryptsetup-devel@alioth-lists.debian.net>.
You may want to refer to the following packages that are part of the same source: cryptsetup, cryptsetup-bin, cryptsetup-initramfs, cryptsetup-run, cryptsetup-ssh, cryptsetup-suspend, libcryptsetup12.
You might like to refer to the libcryptsetup-dev package page, to the Package Tracking System, or to the source package src:cryptsetup's bug page.
If you find a bug not listed here, please report it.