Cryptography interview questions

14 cryptography questions from quant interviews, each with the approach, the worked solution, and the concepts it tests.

The set breaks down as 3 medium, 6 hard and 5 expert.

Firms that ask cryptography questions in this bank include Google, Jump Trading, Two Sigma, Citadel Securities and Optiver.

A question from this topic: What is a 'Zero-Knowledge Proof'?