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DatasetsZodiac ciphersZ408, Z340, Z13 and Z32 as ASCII transcriptions, with the Z408 and Z340 keys and plaintexts
Dataset · table

Z408, Z340, Z13 and Z32 as ASCII transcriptions, with the Z408 and Z340 keys and plaintexts

Checked on 2026-10-25. Z408: 408 symbols, 54 distinct; aligned with the Hardens' plaintext, every symbol has one reading except '8' (A x5, S x3). The wiki has I where Oranchak's older webtoy script has ! at position 106; the wiki reading is used. Z340: 340 symbols, 63 distinct; the key was derived from rows 1-9 under the (1,2)-decimation with no conflicts and reproduces the solvers' reported featu

Zodiac ciphersZodiac ciphersVersion 1.0Licence Ciphertexts from 1969-1970 letters; transcription scheme by David Oranchak, no licence stated; keys derived in this projectUpdated 26 Oct 2026

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