Findings:

• block cipher cryptanalysis
• atbash cipher
• Soviet Espionage Cipher
• Playfair Cipher
• M209 Cipher Machine
• Simon Singh's Code Book Cipher Challenge Cracked
• Stream Cipher
• synchronous stream cipher
• Additive Stream Ciphers
• self-synchronizing stream cipher
• Turning grill transposition cipher
• ERIKO-CHAN cipher
• cipher (user)
• Block cipher
• null cipher
• Caesar's Cipher
• Bacon Cipher
• Keyword substitution cipher
• Ideal cipher model
• running key cipher
• Hill cipher
• Permutation cipher
• random key substitution cipher
• Nihilist cipher
• ADFGVX cipher
• bifid cipher
• VIC cipher
• rail fence cipher
• Dorabella Cipher
• cipher text
• substitution cipher
• monoalphabetic substitution cipher
• Caesar shift cipher
• simple substitution cipher
• homophonic substitution cipher
• polyalphabetic substitution cipher
• cipher
• transposition cipher
• cipher alphabet
• asymmetric cipher
• symmetric cipher
• mechanical cipher system
• hybrid cryptosystem
• Pigpen Cipher
• Hash Cipher
• The Beale ciphers

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