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