Secure Boot

Measured Secure Boot Chain

Cryptographic verification from ROM through to application — every stage signed and verified before execution.

🔑 Secure Boot Architecture

ROM → U-Boot → kernel chain
eFuse OTP key programming
Anti-rollback counter management
ECDSA / Ed25519 image signing
Boot measurement and reporting

✅ dm-verity & Integrity

dm-verity rootfs integrity
IMA/EVM runtime measurement
Signed firmware packages
Hash chain verification
Tamper detection mechanisms

🛡️ Hardware Root of Trust

OP-TEE TrustZone integration
NXP SE050/SE051 Secure Element
Infineon SLB 9672 TPM 2.0
PKCS#11 key storage
Secure non-volatile storage

HSM & Crypto

HSM & Cryptographic Services

Hardware Security Module integration and cryptographic service implementation for automotive ECUs.

💾 HSM Integration

Tricore HSM / NXP CAU integration
Crypto key generation in HSM
Asymmetric crypto (RSA, ECC)
Symmetric crypto (AES-128/256)
Hardware random number generation

🔐 Key Management

Key provisioning workflows
Key lifecycle management
Secure key storage
Key injection protocols
OEM/Tier-1 key hierarchy

🔒 Crypto Stack

AUTOSAR CSM / SecOC
TLS 1.3 mutual auth
Certificate management
CMAC/HMAC authentication
CRC + MAC message authentication

Platform Hardening

Platform & Firmware Hardening

OS and application-level hardening to minimise attack surface on automotive and embedded Linux platforms.

🔧 Linux Hardening

SELinux / AppArmor MAC policies
seccomp syscall filtering
KASLR / CFI / Stack canaries
Kernel lockdown mode
Capability-based access control

📋 ECU Security Architecture

Threat analysis and risk assessment
Attack feasibility rating
Security architecture design
Security testing strategy
Hardening checklist validation

🌐 Network Security

CAN bus anomaly detection
Automotive Ethernet firewall
IDS/IPS for in-vehicle networks
VLAN segmentation
Intrusion detection logging

Standards & Compliance

Cybersecurity Standards

Supporting ISO 21434 CSMS implementation and UNECE R155/R156 type approval documentation.

📋 ISO 21434 CSMS

TARA methodology
Cybersecurity goals
Attack feasibility rating
Threat register management
Cybersecurity case compilation

📄 UNECE R155/R156

R155 type approval support
R156 OTA SUMS documentation
Cybersecurity monitoring
Incident response planning
Regulatory gap analysis

🔓 V2X Security

V2X PKI integration
SCMS / C-ITS certificates
Pseudonym certificate rotation
Misbehaviour detection
Certificate revocation

Embedded Cybersecurity