libbcprov-java software package provides Bouncy Castle Java Cryptographic Service Provider, 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 libbcprov-java
libbcprov-java is installed in your system.
Make ensure the libbcprov-java package were installed using the commands given below,
$ sudo dpkg-query -l | grep libbcprov-java *
You will get with libbcprov-java package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Java |
| Package | libbcprov-java |
| Version | 1.49+dfsg-3+deb8u1 |
| Description | Bouncy Castle Java Cryptographic Service Provider |
| Sub Section | Java |