ROS 2 Secure Communication in Practice: SROS2 and DDS Security

SROS2 builds on DDS Security to provide authentication, encryption, and access control for ROS 2, and command-line tools can be used to configure security policies and generate certificates for nodes. The article explains, in a hands-on way, how to enable SROS2 and DDS Security in ROS 2 to achieve secure communication between nodes.