Description:Quantum-Safe Digital Passports (QSDPs) represent a foundational shift in identity and trust architecture, anchored in post-quantum cryptography. Technically, they operate through three core roles: the Issuer, who generates credentials using quantum-resilient algorithms; the Verifier, who validates these credentials against dynamic trust anchors and policy rules; and the User, who presents them with crypto-agile identity binding. Implementation unfolds in four phases-preparation, modular integration, operationalization and expansion, and governance, audit, and optimization: each enabling progressive adoption and modular upgrades. QSDPs can be adopted voluntarily by innovators or mandated by regulators for critical infrastructure. As they evolve into Quantum Bills of Materials (QBOMs), they encapsulate cryptographic provenance, lifecycle metadata, and policy bindings, enabling traceability and compliance across systems. Enforcement is powered by dynamic engines and governance hooks that validate credentials against sectoral crypto-policies, support algorithm agility, and ensure auditability.
Strategically, QSDPs accelerate quantum-safe migration by identifying and replacing vulnerable cryptographic components, while enabling dynamic cryptographic flexibility through modular architectures that support real-time updates. They automate governance by enforcing expiry, rotation, and compliance policies via QBOM metadata, reducing manual oversight. Their standardized identity framework fosters cross-domain interoperability, allowing secure interactions across platforms and jurisdictions. By decoupling identity from static cryptographic bindings, QSDPs offer resilience against algorithmic obsolescence and quantum threats. Integrated observability through QBOMs enhances risk management by providing visibility into cryptographic dependencies, enabling initiative-taking remediation and prioritization. Together, these features position QSDPs as a cornerstone for crypto-agility and quantum-safe transformation across regulated sectors.
, Claims:8.0 Claims
Claim 1 (Independent Claim – System): A quantum-safe digital passport system for crypto agility comprising:
A method of enabling crypto agility to for securing data against quantum computer attacks using Quantum Safe Digital Passports
The method comprises:
i. A cryptographic identity module configured to generate and store post-quantum credentials using lattice-based or hash-based algorithms.
ii. A metadata registry storing cryptographic provenance, algorithm type, and lifecycle status.
iii. A verification process configured to authenticate said credentials(trust anchor validation) across distributed trust networks.
iv A crypto-agility interface and framework enabling dynamic updates and algorithm substitution based on quantum threat indicators wherein the system ensures forward secrecy and interoperability across classical and quantum-safe infrastructures.

Claim 2 (Dependent Claim):
The system of claim one, wherein the crypto-agility interface is integrated with a Quantum Bill of Materials (QBOM) to track algorithm dependencies and enable automated remediation.

Claim 3 (Dependent Claim):
The system of claim one, wherein the verification process supports zero-knowledge proof protocols for privacy-preserving authentication.

Claim 4 (Independent Claim – Method):
A method for issuing and managing a quantum-safe digital passport, comprising:
i. Generating a digital identity using a post-quantum cryptographic algorithm.
ii. Binding said identity to a application profile via secure enrolment.
iii. Storing the identity in a distributed ledger or federated trust repository.
iv. Verifying the identity using quantum-resilient protocols during access requests.
v. Updating the cryptographic credentials based on algorithm lifecycle and threat intelligence.

Claim 5 (Dependent Claim):
The method of claim four, further comprising the step of embedding sector-specific attributes (e.g., financial KYC, health records) into the digital passport using modular schema.
8.6 Claim 6 (Independent Claim – Functional Claim):
A quantum-safe digital passport configured to:
i. Operate across multi-cloud and edge environments.
ii. Support selective disclosure of identity attributes.
iii. Maintain cryptographic integrity under quantum adversarial conditions.
iv. Enable automated policy-driven credential revocation and renewal.