The ATECC608A-SSHDA-B is a secure element from Microchip. It is a secure hardware authentication device that provides a high-level of anti-tamper and secure key storage for authentication purposes. This device features an advanced hardware-based security architecture and a wide array of integration options. It supports Public Key-based authentication, asymmetric key generation and storage, secure key storage, and mutual authentication. This product is used in many applications such as wearables, healthcare, automotive, and IoT. It supports a wide range of communication protocols, including UART, I2C, and SPI.