Announcing MCP Toolbox Java SDK v1.0: Agentic data access for the enterprise
cloud.google.com·6d ago
Cloud & Infrastructure
Google Cloud Blog·Jul 28·5 min read
Future-proofing data integrity: Quantum-safe digital signatures in Cloud KMS
TL;DR
Google Cloud has launched quantum-safe digital signatures and post-quantum key encapsulation in Cloud KMS to ensure long-term data integrity against emerging quantum threats. This move aligns with regulatory timelines for adopting quantum-safe algorithms.
✦ Why It Matters
Start planning your transition to quantum-safe digital signatures to meet upcoming regulatory deadlines.
Key Takeaways
- Evaluate your current cryptographic methods for quantum threats.
- Integrate ML-DSA and SLH-DSA into your applications via Cloud KMS.
- Utilize pre-hash and external-µ variants for efficient signing.
- Stay updated on NIST standards for future cryptographic compliance.
How It Works
The signing process involves first hashing large messages into a fixed-size digest using cryptographic hash functions like SHA2. This digest is then sent to the hardware security module (HSM) or key management service for signing, utilizing the ML-DSA or SLH-DSA algorithms.
The external-µ variant allows for this digest to be mathematically bound to the public key, ensuring non-resignability and enhancing security.