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World 2 · Many alphabets & shuffles · 8 min · PRO

Vigenère: many Caesars at once

A keyword sets a different shift for every letter

PRO · Codes & Ciphers Lab

World 2: Many alphabets & shuffles is part of PRO

The first world of Codes & Ciphers Lab is free. PRO opens the other 15 lessons in 3 worlds — simulations, quizzes and all.

  • Autokey & Beaufort
  • Rail fence: letters on the move
  • Columnar transposition
  • Playfair: letters in pairs
  • Frequency analysis
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

Unlock Codes & Ciphers LabTry the free world
← Keyword substitutionAutokey & Beaufort →

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