IIoT Sensor Identity Attestation Certificate Bundle (PKCS#12)

This PKCS#12 bundle forms the cornerstone of device identity lifecycle management in high-assurance mining automation systems, where operational technology (OT) assets such as vibration sensors, gas detectors, and conveyor monitoring units must be cryptographically verifiable before joining industrial networks. Its design adheres to NIST SP 800-193 (Platform Firmware Resilience) and IEC 62443-3-3 requirements for secure device identity, mandating hardware-rooted key generation (e.g., via TPM 2.0 or Secure Element) and certificate issuance by a domain-specific Certificate Authority (CA) operating under the Mine Automation PKI trust hierarchy. The bundle is provisioned once—typically during factory reset or secure commissioning—and never transmitted over untrusted channels; instead, it is loaded via authenticated, encrypted out-of-band mechanisms (e.g., USB with signed manifest, NFC with challenge-response). During runtime, the sensor uses the private key within the bundle to sign attestation statements (e.g., TPM Quote or Intel SGX report), enabling centralized security orchestration platforms to validate firmware integrity, runtime configuration, and physical location claims—thereby mitigating supply chain compromise, rogue device injection, and lateral movement threats across mine-wide IIoT deployments.