cipher encryption timing information leakage

The time encryption takes can leak secrets

An encryption method can be mathematically strong and still leak information through the machine running it. By carefully measuring how long different encryption operations take, an attacker may learn clues about secret data or keys.

Civil War records helped lead to punch-card computing

Work on U.S. Civil War medical and population records helped John Shaw Billings think about turning facts into numbers that machines could sort. His assistant Herman Hollerith later developed punch-card machines. Punch cards dominated large-scale data processing for decades, and Hollerith's company eventually became part of IBM.

Jellyfish can release free-stinging cell balls

When triggered, the jellyfish Cassiopea xamachana releases tiny balls of cells that move on their own. They can sting anything they encounter, even when they are away from the jellyfish.

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cipher encryption timing information leakage

The time encryption takes can leak secrets

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