Install libcrypt-rijndael-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libcrypt-rijndael-perl
Description:
Perl module implementing the Rijndael algorithm
Crypt::Rijndael is a Perl module that provides an XS-based implementation of the Advanced Encryption Standard (AES) algorithm Rijndael, designed by Joan Daemen and Vincent Rijmen.
Homepage: https://metacpan.org/release/Crypt-Rijndael
Version: 1.13-1build3
Section: universe/perl