Security Features

• Boot ROM Secure Boot Loader

- Hardware Root of Trust (RoT) using Secure

Boot and Immutable code

- Supports 2 Code Images in external SPI

Flash (Primary and Fall back image)

- Authenticates SPI Flash image before loading

- Support AES-256 Encrypted SPI Flash

images

• Hardware Accelerators:

- Multi purpose AES Crypto Engine:

- Support for 128-bit - 256-bit key length

- Supports Battery Authentication applications

- Digital Signature Algorithm Support

- Support for ECDSA and EC_KCDSA

- Cryptographic Hash Engine

- Support for SHA-1, SHA-256 to SHA-512

- Public Key Crypto Engine

- Hardware support for RSA and Elliptic

Curve asymmetric public key algorithms

- RSA keys length of 1024 to 4096 bits

- ECC Prime Field keys up to 571 bits

- ECC Binary Field keys up to 571 bits

- Microcoded support for standard public

key algorithms

- OTP for storing Keys and IDs

- Lockable on 32 B boundaries to prevent

read access or write access

- True Random Number Generator

- 1 Kbit FIFO

- JTAG Disabled by default