<ul data-eligibleForWebStory="true"><li>An introduction to perfect secrecy cryptography during World War II in France.</li><li>Captain Reid instructs Lieutenant Lenz on encoding messages to ensure perfect secrecy.</li><li>Perfect secrecy entails zero information leakage in intercepted ciphertext, achieved by the One-Time Pad.</li><li>The narrative unfolds with encryption challenges, decryption nuances, and the fatal consequences of a mistake.</li><li>The enemy attempts to break the code using the Space Trick, leading to a tragic outcome.</li></ul>

Introduction to Cryptography: Perfect secrecy

Discover more