February 2020
Beginner
621 pages
19h 34m
English
book
Introduction to Cryptography with Coding Theory, 3rd Edition
by Wade Trappe, Lawrence C. Washington
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23.6 Post-Quantum Cryptography?
If a quantum computer is built (see Chapter 25), cryptosystems based on factorization or discrete logs will become less secure. An active area of current research involves designing systems that cannot be broken by a quantum computer. Some of the most promising candidates seem to be lattice-based systems since their security does not depend on the difficulty of computing discrete logs or factoring, and no attack with a quantum computer has been found. Similarly, the McEliece cryptosystem, which is based on error-correcting codes (see Section 24.10) and is similar to the system in Section 23.5, seems to be a possibility.
One of the potential difficulties with using many of these lattice-based systems is the key ...
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