Magnetic reed switch, multiple management protocols, infrared emitter

Microchip’s TA100 provides a way for you to implement security into existing systems without requiring costly redesigns. A secure element from the Microchip Crypto Automotive™ portfolio intended for automotive security applications, the TA100 provides support for code authentication (aka secure boot), message authentication via MAC generation, support for trusted firmware updates, multiple key management protocols including TLS and other root-of-trust based operations.

https://www.futureelectronics.com/resources/featured-products/microchip-trustanchor-ta100-cryptoautomotive-security-ic