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Windows 11’s most important new feature is post-quantum cryptography. Here’s why.
For the first time, new quantum-safe algorithms can be invoked using standard Windows APIs.
Microsoft is updating Windows 11 with a set of new encryption algorithms that can withstand future attacks from quantum computers in a move aimed at jump-starting what’s likely to be the most formidable and important technology transition in modern history. Monday’s update bundles new post-quantum computing algorithms selected by the US Department of Commerce's National Institute of Standards and Technology (NIST) in its yearslong drive to find replacements for RSA and elliptic-curve cryptosystems. “One of the things I warned folks inside Microsoft very early on was you better start testing to make sure that if I triple the size of the keys that you're currently using that that actually flows through the software stack and that a developer hasn’t put a fixed allocation somewhere that’s going to block you,” he said in an interview.
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