1. Raspberry Pi 3 model B+. https://www.raspberrypi.org/products/raspberry-pi-3-model-b-plus/
2. Raspbian, version 10.3, 13 Februrary 2020. https://www.raspbian.org/
3. Denning, D.E.R.: Cryptography and Data Security. Addison Wesley, Boston (1982)
4. Fernandez, E.B., Summers, R.C., Wood, C.: Database Security and Integrity. Adison Wesley, Boston (1980)
5. Gusmeroli, S., Piccione, S., Rotondi, D.: A capability-based security approach to manage access control in the Internet of Things. Math. Comput. Model. 58(5–6), 1189–1205 (2013)