Classical cryptology at play

SPECIAL ALPHABETS: Semaphore alphabet, American Sign Language, International maritime signalling flags, Braille, British Sign Language, Bar 'Code', Baudot 'Code', Runic, Morse Telegraph.

CODES: Navajo code talkers, Popham.

CRYPTOANALYSIS: Caius Julius Caesar.

CRYPTOGRAPHY: Monoalphabetic ciphers: Albam, Atbah, Atbash, Affine, Irregular alphabets, Replacement alphabets, Carbonaro alphabet, Augustus, Caesar 1, Caesar 2, 3 letter ciphers, Digraph, The pizzini, Dice cipher, Polybius checkerboard, 'Ndrangheta, PigPen, Rosicrucian, ROT13, Straddling checkerboard, Templars, Dancing men, Wolseley. Homophonic ciphers: Mexican army disc, 25 x 16 representation, Multiple representation of E. Polyalphabetic ciphers: Alberti, Bellaso [1552, 1553, 1555, 1564], Vigenère [Autokey, Beaufort, Beaufort German variant, Gronsfeld, Réglette de Saint-Cyr, Rozier, Vigenère], OTP [One Time Pad, Che Guevara], Larrabee, Phillips, Porta, Solitaire, Trithemius.  Polygramic ciphers: 2 squares, 3 squares, 4 squares, Hill 2x2, Hill 3x3, Playfair [simple and double], Slidefair. Reversible cipher: Kamasutra. Tomogramic ciphers: ADFGX, ADFGVX, Fractionated Morse Code, Bifid and trifid Delastelle cipher, Digrafid cipher, Pollux. Nomenclator: Mary Stuart. Superencipherment: Bazeries, Nihilists, PPC-A, PPC-N, PPC-NE, PPC-W, South-African Scouts, SECOM, VIC. Transposition ciphers: Antonio Marzi, Turning grille, Double transposition, Rectangular transpositions [Complete without key, Complete with key, Incomplete without key, Incomplete with key], Übchi.

STEGANOGRAPHY: Sir Francis Bacon

DUBIOUS CIPHER: Augustus

SERENISSIMA'S CRYPTOGRAPHY: Venetian Ambassadors' messages {Alberto Badoer [1580], Piero Duodo [1595, 1595-8], Sebastian Foscarini [1761, 1762], Sebastiano Foscarini [1682], Giovanni Michiel [1555], Alvise Mocenigo [1558], Giacomo Soranzo [1553], Michele Surian [1557, 1558]}.

Version VIII-MMXX for Windows (32 - 64 bits)

Please, note: if your antivirus sends you an alert while trying to install "Classical Cryptology at play", consider the possibility that this program is safe and the antivirus is giving you a false positive.
What to do: 1) close the antivirus and run the installation anyway [in fact, usually a too zealous antivirus detects anomalies at this point], or 2) send the file to the antivirus programmer so he or she can detect it is safe and not dangerous, and its new versions will give you no alerts, or 3) say to the antivirus the programm is safe.
For many antivirus the program is safe!