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How Quantum Computers Break Encryption | Shor's Algorithm Explained

2 Views· 01/13/24
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This video explains Shor’s Algorithm, a way to efficiently factor large pseudoprime integers into their prime factors using a quantum computer. The quantum computation relies on the number-theoretic analysis of the factoring problem via modular arithmetic mod N (where N is the number to be factored), and finding the order or period of a random coprime number mod N. The exponential speedup comes in part from the use of the quantum fast fourier transform which achieves interference among frequencies that are not related to the period (period-finding is the goal of the QFT FFT).

REFERENCES

RSA Numbers (sample large numbers to try factoring)
https://en.wikipedia.org/wiki/RSA_numbers

IBM on RSA
https://www.ibm.com/support/kn....owledgecenter/en/SSB

Modulo Multiplication Group Tables
http://mathworld.wolfram.com/M....oduloMultiplicationG

Difference of squares factorization
https://en.wikipedia.org/wiki/....Difference_of_two_sq

Euclid’s Algorithm
https://en.wikipedia.org/wiki/Euclideanalgorithm

Rational sieve for factoring
https://en.wikipedia.org/wiki/Rational_sieve

General Number field Sieve
https://en.wikipedia.org/wiki/....Generalnumberfieldsi

Scott Aaronson blog post about Shor’s Algorithm
https://www.scottaaronson.com/blog/?p=208

Experimental implementation of Shor’s Algorithm (factoring 15, 21, and 35)
https://arxiv.org/pdf/1903.00768.pdf

Adiabatic Quantum Computation factoring the number 291311
https://arxiv.org/pdf/1706.08061.pdf

Scott Aaronson course notes
https://www.scottaaronson.com/qclec/
https://www.scottaaronson.com/qclec/combined.pdf

Shor’s Algorithm on Quantiki
https://www.quantiki.org/wiki/....shors-factoring-algo

TLS And SSL use RSA encryption
https://en.wikipedia.org/wiki/....TransportLayerSecuri

Dashlane security whitepaper
https://www.dashlane.com/downl....oad/DashlaneSecurity


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