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Index of Coincidence (IoC)

ConceptMentioned in 1 video

A statistical property used to measure the likelihood of two randomly picked letters being the same. It's higher for decrypted English text (around 0.067) than for random text (around 0.038).

Videos Mentioning Index of Coincidence (IoC)

Cracking Enigma in 2021 - Computerphile

Cracking Enigma in 2021 - Computerphile

Computerphile

A statistical property used to measure the likelihood of two randomly picked letters being the same. It's higher for decrypted English text (around 0.067) than for random text (around 0.038).