vendor · quantum risk
Quantum-safe code signing | Quantum-Safe Claims & Education
Verdict
Code-signing “quantum-safe” claims require platform support proof. Many ecosystems still use classical RSA/ECDSA signatures; hash-based options exist in some firmware niches.
Overview
Integrity risk (forged updates) is as serious as confidentiality. Track OS, mobile, and firmware signing roadmaps separately.
Cryptographic profile
- Signatures: Code-signing certificates, Optional hash-based or PQ signatures (platform-dependent)
- Hash: Package digests
- Public-key exposure: Software supply chain integrity over long support lifetimes.
Claim scrutiny (buyer checklist)
Marketing / stated claims
- Quantum-resistant code signing
- PQC software identity
Open questions
- Which app stores accept PQ signatures when?
Educational analysis only. Verify primary sources, specs, and audits yourself before any financial or procurement decision.
What breaks
- Long-lived classical signing certs
- No dual-sign transition plan
- Update channels on classical-only TLS
Mitigations
- HSM dual control today
- Inventory signing algorithms per platform
- See code-signing-distribution network page
FAQ
Related?
/is-quantum-proof/code-signing-distribution
Hash-based?
/glossary/hash-based-signature
Key concepts (technical dictionary)
Terms used on this page — open a definition: