Post-Quantum Identity: Securing Verification Now
Blog post from Didit
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Quantum computing could eventually undermine public-key cryptography such as RSA and ECC, threatening the encryption, digital signatures, and communications that support identity verification, digital wallets, document validation, and biometric-template storage. Post-quantum cryptography, which NIST is standardizing through several algorithm families, is intended to resist both classical and quantum attacks, with lattice-based approaches such as CRYSTALS-Dilithium highlighted for their security foundations, efficiency, and versatility. Moving to quantum-resistant systems will require organizations to inventory cryptographic dependencies and update software, hardware security modules, and protocols, potentially using hybrid deployments that combine conventional and post-quantum algorithms during the transition. Didit states that it is preparing its identity platform through algorithm agility, lattice-based cryptography, hybrid security methods, continuous standards monitoring, and flexible APIs, positioning these measures as a way to preserve long-term security and compliance.
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