Effect of Keyword Length on the Letter Frequency in Encrypted Messages
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This Demonstration shows the effect of keyword length on the letter frequency of an encrypted message.
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Contributed by: Erik Mahieu (January 2012)
Open content licensed under CC BY-NC-SA
Snapshots
Details
Snapshot 1: change the offset for the Caesar cipher and see how the letters shift but the distribution remains unaffected
Snapshot 2: a short keyword with De Vigenere encryption slightly flattens the frequency distribution
Snapshot 3: a 26-letter keyword and Autokey encryption gives a flat frequency distribution