The U.S. wants to be prepared for whatever quantum technologies bring, but is it time to rightsize the threat from China?
Illustration by Valeria Petrone
In October, researchers at Shanghai University published a paper in the Chinese Journal of Computers that triggered a tsunami of panic across the Pacific. Using a quantum computer developed by D-Wave, a Canadian company, the researchers said they had developed a hybrid method and successfully executed attacks on three encryption algorithms. “This marks the first practical attack on multiple full-scale SPN structure symmetric cipher algorithms using a real quantum computer,” they said.
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