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Mark McGuire

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Working through security and cryptography concepts by explaining them from the ground up.

RSA Explained

June 17, 2026#Cybersecurity#Cryptography

The best way to measure understanding of a topic is to explain it as clearly and simply as possible. This is my explanation of the RSA algorithm, and all the math behind it, at as low a technical level as possible.

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Shor's Algorithm — Poison for Prime Factorization

Coming soon#Cybersecurity#Cryptography#Science
Coming soon

Shor's algorithm is a unique quantum algorithm especially adept at breaking encryption standards that rely on prime factorization. This is an exploration into why that is the case, and the science that makes it possible.