Security for the Quantum Era: Implementing Post-Quantum Cryptography in Android

Publisher excerpt From Google Online Security Blog

Posted by Eric Lynch, Product Manager, Android and Dom Elliott, Group Product Manager, Google Play Modern digital security is at a turning point. We are on the threshold of using quantum computers to solve "impossible" problems in drug discovery, materials science, and energy—tasks that even the most powerful classical supercomputers cannot handle. However, the same unique ability to consider different options simultaneously also allows these machines to bypass our current digital locks. This puts the public-key cryptography we’ve relied on for decades at risk, potentially compromising everything from bank transfers to trade secrets. To secure our future, it is vital to adopt the new Post-Quantum Cryptography (PQC) standards National Institute of Standards and Technology (NIST) is urging before large-scale, fault-tolerant quantum computers become a reality. To stay ahead of the curve, the technology industry must undertake a proactive, multi-year migration to Post-Quantum Cryptography (PQC). We have been preparing for a post-quantum world since 2016, conducting pioneering experiments with post-quantum cryptography, rolling out post-quantum capabilities in our products, and sharing our expertise through threat models and technical papers. For Android, the objective extends beyond patching individual applications or transport protocols. The imperative is to ensure that the entire platform architecture is resilient for the decades to come. We are beginning tests of PQC enhan…

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