Implementing Hardware Security with Lattice FPGAs

Security Overview

lattice FPGAs provide comprehensive hardware security features essential for protecting modern electronic systems against evolving cyber threats.

Key Security Features

1. Physically Unclonable Function (PUF)

  • Unique device fingerprint for each FPGA
  • Used for secure key generation and storage
  • Tamper-resistant by physical design

2. Hardware Cryptographic Engines

  • AES-256 encryption/decryption
  • SHA-256 hashing
  • ECDSA signature verification
  • True random number generator

3. Secure Boot

  • Authenticated firmware loading
  • Chain of trust verification
  • Anti-rollback protection

Platform Firmware Resiliency (PFR)

Implementation Steps

  • Design the Root of Trust
    • Configure PUF for device identity
    • Set up secure key storage
    • Define security policies
  • Implement Secure Boot Chain
    • `` Boot ROM → Bootloader → Application Firmware ↓ ↓ ↓ Verify Verify Verify ``
  • Add Runtime Protection
    • SPI flash monitoring
    • Firmware integrity checking
    • Real-time attack detection

    Lattice Sentry Stack

    sentry provides pre-validated security solutions:

    Components

    • Sentry Reference Design: Complete PFR implementation
    • Security IP Cores: Crypto accelerators, secure controllers
    • Software Stack: Secure boot manager, update utilities

    Quick Start

  • Install Lattice Sentry software
  • Load reference design for your application
  • Customize security policies
  • Generate programming files

    • Security Certifications

    lattice security solutions support compliance with:

    • NIST SP 800-193 (Platform Firmware Resiliency)
    • Common Criteria (selected products)
    • FIPS 140-2 (cryptographic modules)

    Best Practices

  • Use hardware root of trust for all security operations
  • Implement defense in depth with multiple security layers
  • Secure the supply chain with device provisioning
  • Plan for secure field updates
  • Monitor and log security events