Needs review
Arm Zena CSS Security
Specifications
- Cpu model
- Cortex-A720AE
- Safety level
- ASIL B
- Security standard
- ISO 21434, UNECE R155
Overview
Arm Zena CSS Security delivers a secure foundation for AI-driven compute, providing layered protection underpinned by Armv9’s defensive security architecture. Designed for ASIL B applications and aligned with ISO 21434 and UNECE R155 standards, it safeguards the expanding attack surface of intelligent mobility. Features include Runtime Security Engine (RSE) as hardware Root of Trust, secure boot with OTA anti-rollback, key management, and attestation.
Key features
- ▸Layered defense-in-depth security-by-design across hardware, firmware, and runtime
- ▸Runtime Security Engine (RSE) as hardware Root of Trust with integrated cryptography
- ▸Armv9 defensive architecture with SVE2 and advanced crypto extensions
- ▸Secure boot with OTA and anti-rollback feature for firmware updates
- ▸Cryptographic key and lifecycle management
- ▸Attestation of software and authentication of sensors and communications
- ▸Supports compliance with ISO 21434 and UNECE R155 standards
- ▸Designed for ASIL B applications