“The STSAFE-A110 is a highly secure solution that acts as a secure element providing authentication and secure data management services to a local or remote host. It consists of a full turnkey solution with a secure operating system running on the latest generation of secure microcontrollers.”
https://www.st.com/en/secure-mcus/stsafe-a110.html
From X-NUCLEO-SAFEA1 board: A110 Secure Element Nucleo Expand Board
Package
