PQShield’s Brian Kang breaks down what “post-quantum cryptography” really means in practice: swapping today’s RSA/ECC-era primitives for quantum-resilient key establishment and signatures that can survive future cryptanalysis, mostly because regulators and government procurement will require it. https://pqshield.com/
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The discussion frames PQC as a compliance-driven migration problem as much as a math problem: crypto-agility, inventorying where keys live, and updating protocols like TLS, secure boot, and firmware signing before “harvest now, decrypt later” becomes a real business risk for long-lived data.
He references the first NIST standards now in play: ML-KEM (FIPS 203, derived from CRYSTALS-Kyber) for key encapsulation and ML-DSA (FIPS 204, derived from CRYSTALS-Dilithium) for digital signatures, plus SLH-DSA (FIPS 205, based on SPHINCS+) for hash-based signatures, with HQC selected by NIST in 2025 as an additional KEM on a different math track.
For embedded and IoT constraints, PQShield highlights PQMicroLib-Core, a bare-metal/RTOS library targeting small RAM footprints (as low as ~13 kB) and designed to run across ARM cores and RISC-V, with optional protections aimed at side-channel and DPA attack surfaces where physical access is realistic.
On the hardware side, the product stack spans Root-of-Trust and co-processor IP (e.g., PQPlatform-TrustSys and PQPlatform-CoPro) through higher-throughput acceleration blocks for ML-KEM/ML-DSA in FPGA or ASIC contexts, including use cases like firewall/TLS termination; the interview is filmed on the Embedded World North America 2025 floor, and the business model is classic IP licensing with global engineering support.
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