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River Publishers eBooks

Quantum Cryptography

Ahmed Banafa

Published Jan 16, 2023• 0 citations
Publisher

Abstract

Quantum cryptography uses physics to develop a cryptosystem completely secure against being compromised without knowledge of the sender or the receiver of the messages. Regular, non-quantum encryption can work in a variety of ways, but, generally, a message is scrambled and can only be unscrambled using a secret key. Cracking the private key in a modern cryptosystem would generally require figuring out the factors of a number that is the product of two insanely huge prime numbers. The numbers are chosen to be so large that, with the given processing power of computers. But, in practice, quantum cryptography comes with its own load of weaknesses. It was recognized in 2010, for instance, that a hacker could blind a detector with a strong pulse, rendering it unable to see the secret-keeping photons.

DOI
10.1201/9781003339175-4

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