Some well-known unsolved [1] ciphers or cryptograms:
- Phaistos disc
- Indus Valley Writing
- Linear A
- Voynich manuscript
- Codex Copiale
- Codex Rohonzi
- Ricky McCormick's Notes
- Rongo rongo
- Kipu
- Cryptos
- Letters written by the zodiac.
- Bail cryptograms
- Cryptogram Olivier Levasser
- en: Babington Plot
- en: Shugborough inscription
- en: The Magic Words are Squeamish Ossifrage
- Cryptogram in the story "Golden Beetle"
- Dorabella Code
- en: D'Agapeyeff cipher
- en: Chaocipher
- Purple (cryptographic machine)
- en: Smithy code
- en: RSA Challenge
- Richard Feynman's Challenge Ciphers
See also
Notes
Links
- Listed of the 10 most complex ciphers in history , NEWSru.com , February 2, 2011
- E. Dunin , Famous Unsolved Codes and Ciphers
- Zodiak Killer Ciphers & Solutions
- Ciphers of the Zodiac Killer (link unavailable )