China launches hunt for ways to protect data from quantum computers – New Scientist

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Efforts to develop next-generation cryptography algorithms that can’t be broken by quantum computers are already underway in the US, but now China has announced it will seek its own solutions
By Matthew Sparkes
17 February 2025

The rise of quantum computers means we need new ways to keep data secure
whiteMocca/Shutterstock
China has announced that it will spurn US-led efforts to develop encryption algorithms that are resistant to quantum computers, instead choosing to develop its own standards. This may be because China doesn’t want to use algorithms developed in the US in case they contain secret “back doors” allowing access by US intelligence agencies – or it could be that the country wants to develop algorithms with its own back doors.
The encryption algorithms we use to protect data today are practically impossible for even the largest…
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