Google Cloud has announced quantum-safe digital signatures in Google Cloud Key Management Service (Cloud KMS) for software-based keys as a way to bulletproof encryption systems against the threat posed by cryptographically-relevant quantum computers. The feature, currently in preview, coexists with the National Institute of Standards and Technology's (NIST) post-quantum cryptography (PQC)
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source https://thehackernews.com/2025/02/google-cloud-kms-adds-quantum-safe.html
source https://thehackernews.com/2025/02/google-cloud-kms-adds-quantum-safe.html