"CriptografĂ­a." . . "Computabilidade e complexidade." . . "Chiffre (Cryptographie)" . . "Cifras (CriptografĂ­a)" . . "Codigos (Ou Codificacao)" . . "Chiffres (cryptographie)." . . "Chiffres (Cryptographie)" . "Criptologia." . . "GAMES / Puzzles" . . . . "Dechiffrierung." . . "Cryptographie (Informatique)" . . "Cryptography." . . "Cryptography" . "Cryptographie." . . . . . "Cryptanalysis : a study of ciphers and their solution" . "Cryptanalysis : a study of ciphers and their solution"@en . . . . . . . . . . . . . . "Cryptanalysis : a study of ciphers and their solution : formerly published under the title Elementary cryptanalysis" . . . . . "Cryptanalysis; a study of ciphers and their solution" . . . . . . . "Cryptanalysis ; a study of ciphers and their solution"@en . . . . . . . "Cryptanalysis a study of ciphers and their solution" . . . . . "Electronic books"@en . "Elementary cryptanalysis" . "Elementary cryptanalysis"@en . . . "Cryptanalysis : A study of ciphers and their solution : (Formerly publ. under the title Elementary cryptanalysis)\" : (New ed.)" . . "Includes \"166 cryptograms.\""@en . "Includes \"166 cryptograms.\"" . "Cryptanalysis"@en . . "Crypt analysis"@en . . "Cryptanalysis : A study of ciphers and their solution" . . . . . . . "Ciphers." . . "Ciphers" . "Kryptologie." . .