China's new quantum code-breaking algorithm raises concerns in the US

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China's new quantum code-breaking algorithm raises concerns in the US
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The new algorithm could render mainstream encryption powerless within years.

, the most potent quantum computer in the world, which only has 433 qubits and is incapable of cracking codes.

To demonstrate the feasibility of SQIF, the researchers used a tiny 10-qubit superconductive quantum computer at Zhejiang University in Hangzhou to break a 48-bit-long encryption key. On January 3, Schneier, the head of security architecture at Inrupt, said on his blog, "It might not be correct, but it's not obviously wrong."

"It seems to me that a miracle would be required for the approach here to yield any benefit at all, compared to just running the classical Schnorr's algorithm on your laptop," Aaronson wrote in a blog.

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