The quantum meltdown of encryption


The world stands at the cusp of one of the greatest breakthroughs in information technology. Huge leaps forward in all fields of computer science, from data analysis to machine learning, will result from this breakthrough. But like all of man’s technological achievements, from the combustion engine to nuclear power, harnessing quantum comes with potential dangers as well. Quantum  computers have created a slew of unforeseen vulnerabilities in the very infrastructure that keeps the digital sphere safe.

The underlying assumption behind nearly all encryption ciphers used today is that their complexity precludes any attempt by hackers to break them, as it would take years for even our most advanced conventional computers to do so. But quantum computing will change all of that.

Quantum computers promise to bring computational power leaps and bounds ahead of our most advanced machines. Recently, scientists at Google  began testing their cutting edge 72 qubit quantum computer. The researchers expect to demonstrate with this machine quantum supremacy, or the ability to perform a calculation impossible with traditional computers.

Chink in the Armor

Today’s standard encryption techniques are based on what’s called Public Key Infrastructure or PKI, a set of protocols brought to the world of information technology in the 1970’s. PKI works by generating a complex cipher through random numbers that only the intended recipient of a given message, the one in possession of the private key, can decode.

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