Google has unveiled the development of quantum-safe digital signatures for its Cloud Key Management Service, addressing concerns about the vulnerabilities in public-key cryptography due to advancing quantum computing. This initiative marks a significant step in Google’s post-quantum strategy, aligning with recent NIST standards for post-quantum cryptography released in August 2024. The company has been proactive, using PQC for internal security since 2022 and aims to facilitate the migration of existing cryptographic systems to quantum-safe alternatives, showcasing a keen awareness of quantum computing's potential risks.
"At Google, we take post-quantum computing risks seriously," wrote Jennifer Fernick, a senior staff security engineer. "We've been using PQC to protect internal communications since 2022."
"The security of many of the world's most widely used public-key cryptography systems has increasingly become a concern as experimental quantum computing continues to advance," Google stated.
"New PQC standards from the National Institute of Standards and Technology (NIST) became available in August 2024, enabling tech vendors around the world to begin PQC migrations."
"Google detailed steps the company is taking to make Google Cloud KMS quantum-safe, which include offering software and hardware support for standardized quantum-safe algorithms."
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