Quantum cryptography is secure… except when it’s not

This article also has a good summary on QKD:

Not so long ago, we reported on a paper that purported to blow a hole in quantum key distribution (QKD) systems. Now, researchers at Toshiba have struck back with findings that show that the attack doesn’t really work. To which the original authors have replied, “Well, it depends.”

via Quantum cryptography is secure… except when it’s not.

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