libecryptfs-dev software package provides ecryptfs cryptographic filesystem (development), you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libecryptfs-dev
libecryptfs-dev is installed in your system.
Make ensure the libecryptfs-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libecryptfs-dev *
You will get with libecryptfs-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Library development |
| Package | libecryptfs-dev |
| Version | 103-5+deb8u1 |
| Description | ecryptfs cryptographic filesystem (development) |
| Sub Section | Libdevel |