tech

March 26, 2026

Google bumps up Q Day deadline to 2029, far sooner than previously thought

Company warns entire industry to move off RSA and EC more quickly.

Google bumps up Q Day deadline to 2029, far sooner than previously thought

TL;DR

  • Google has set a new deadline of 2029 for Q Day, when quantum computers are expected to break current public-key cryptography.
  • The company is adopting post-quantum cryptography (PQC) algorithms to replace or augment vulnerable RSA and elliptic curve algorithms.
  • Android 17 beta will support ML-DSA, a PQC digital signing algorithm, with plans to integrate it into the Android verified boot library and Keystore.
  • Google's updated threat model prioritizes PQC migration for authentication services, recommending other engineering teams do the same.
  • Estimates for Q Day have been progressively lowered over the years, with recent research suggesting a million noisy qubits could break a 2048-bit RSA key.
  • The National Security Agency (NSA) has also set deadlines for PQC readiness, with a target of 2033 for national security systems.

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