This is the doomsday scenario, but how close are we to this actually happening, and what can be done?Ĭontinue reading “Quantum Computing And The End Of Encryption” → Posted in Featured, Interest, Original Art, Security Hacks, Slider Tagged classical cryptography, quantum annealing, quantum circuit, quantum computing, quantum cryptography, quantum mechanics If one can no longer rely on simply making the brute-forcing of a decryption computationally heavy, all of today’s public-key encryption algorithms are essentially useless. When quantum computers become capable enough, the threat to a lot of our encrypted communication is a real one. Searching for the right pair using classical methods takes approximately forever, but Shor’s algorithm can be used on a suitable quantum computer to do the required factorization of integers in almost no time. For encryption methods that rely on the fact that brute-forcing the key takes too long with classical computers, quantum computing seems like its logical nemesis.įor instance, the mathematical problem that lies at the heart of RSA and other public-key encryption schemes is factoring a product of two prime numbers. Quantum computers stand a good chance of changing the face computing, and that goes double for encryption.
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