Google Announces Post-Quantum Encryption Transition Plan for 2029

Google Cloud has set its target for the transition to post-quantum encryption (PQC) for the year 2029. This move aims to reduce the risks of quantum hacking and accelerate the replacement of cloud security and crypto wallet infrastructure. Google explained in its load balancer documentation that the asymmetric encryption used in TLS could be compromised around 2029, and it supports the hybrid key exchange method X25519MLKEM768. Google Cloud plans to enable post-quantum key exchange for load balancers by default starting in October 2026, transitioning to a structure that is always enabled after October 2027. There are also changes in the key management area, with Google Cloud KMS officially providing ML-DSA, SLH-DSA, and ML-KEM. The U.S. National Institute of Standards and Technology (NIST) is set to finalize FIPS 203, FIPS 204, and FIPS 205 on August 13, 2024, and has recommended the transition to administrators. Cloudflare and Microsoft have also set 2029 as their target date for post-quantum security. Ethereum and Bitcoin are also expected to be affected by the transition to post-quantum signatures. Currently, the transition is limited to security infrastructure, and its impact on the market has not yet been confirmed.

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