Google Cloud Key Management Service (Cloud KMS) announced general availability of quantum-safe digital signatures (ML-DSA, SLH-DSA) and post-quantum key encapsulation (ML-KEM).

Key Details

• Cloud KMS now supports ML-DSA (FIPS 204) and SLH-DSA (FIPS 205) featuring dedicated support for external-µ variants.
• Post-quantum key encapsulation (ML-KEM) is available in Cloud KMS.
• The algorithms enable high-performance, low-latency signing workflows for large data payloads using pre-hash and external-µ variants.

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