Found 651 results for: gcw script

• 01 What is the Trithemius Cipher?

  Tabula recta - Wikipedia Johannes Trithemius (1462 - 1516) (actually: Johannes Heldenberg from Trittenheim) wrote the first printed book on cryptography, the "Polygraphiae libri sex" (Six Books on Polygraphy) in 1508, but it did not appear until 1518 after his death. In the fifth volume, he...

  Trithemius Cipher
  809 February 17, 2021

• 01 What is the Vigenère Cipher?

  Vigenère cipher - Wikipedia The Vigenère cipher is a manual key method dating from the 16th century. It is a monographic polyalphabetic substitution method. The text is broken down into single characters and substituted using the key and Vigenère square. The Vigenère square consists of a...

  Vigenère Cipher
  180 February 17, 2021

• 01 What is the Homophone Cipher?

  The Black Chamber - Homophonic Cipher (simonsingh.net) After Arab scholars discovered that the individual letters in the plaintexts of natural languages occur with quite characteristic relative frequencies, Abu-Yusuf Ya'qub ibn Ishaq al-Kindi (800 - 873) succeeded in deciphering cryptograms...

  Homophone Cipher
  690 February 13, 2021

• 01 What is the Railfence Cipher?

  Rail fence cipher - Wikipedia The Railfence cipher - also called zig-zag or palisade cipher - is a transposition cipher. The text is written in a defined depth (key) in zigzag. For encryption, the text is written in lines one after the other. The order of the lines can be changed by an...

  Railfence Cipher
  74 February 13, 2021

• 01 What is the Gronsfeld Cipher?

  Johann Franz Graf von Gronsfeld-Bronkhorst (1640 - 1719) allegedly suggested to the writer and Jesuit priest Caspar Schott (1608 - 1666) on a journey from Mainz to Frankfurt the polyalphabetic monographic substitution cipher named after him today.Schott reported on this in 1665 in his Schola...

  Gronsfeld Cipher
  1469 February 13, 2021

• 01 What is the Enigma?

  Enigma machine - Wikipedia The Enigma (Greek aínigma, English "riddle", proper spelling also: ENIGMA) is a rotor key machine that was used during World War II to encrypt message traffic. The inventor of the Enigma was Arthur Scherbius, whose first patent for it was dated February 23, 1918. In...

  Enigma
  179 February 13, 2021

• 01 What is a Cipher disk?

  Cipher disk - Wikipedia One of the first devices for encryption was the cipher disk. These are two round metal discs that sit on a common axis and are connected in such a way that the smaller one can rotate on the larger one. Discs of this type have been around since the 15th century. The...

  Cipher Disk
  194 February 13, 2021

• 02 How does GC Wizard encrypt or decrypt using the Bifid Cipher?

  Input Plain text or encrypted text Key alphabet for Polybios square Sort A-Z 0-9sorting Z-A 9-0freely definable the size of the Polybios square with appropriate modifications: replacement J by Ireplacement C by Kreplacement W by VVIgnore Q Output Encrypted or decrypted textthe...

  Bifid Cipher
  153 February 12, 2021

• 02 How does GC Wizard encrypt or decrypt using the AMSCO Cipher?

  After entering the key and specifying whether one or two characters are to be written in the first column, decryption or encryption is performed automatically when the text is entered.

  AMSCO Cipher
  202 February 12, 2021

• 02 How does GC Wizard encrypt or decrypt using the Affine cipher?

  After entering the plaintext or the encrypted text, the encryption or decryption is performed based on the set keys. Hint: The alphabet uses only the 26 letters A-Z.

  Affine Cipher
  57 February 12, 2021

• 02 How does GC Wizard encrypt or decrypt using the ADFG(V)X Cipher?

  For the encryption and decryption the keys for the substitution and transposition are required. Data for substitution Procedure according to ADFGX or ADFGVXSubstitution keyAlphabet for filling the Polybios square Data for the transposition Transposition key The entered text is...

  ADFG(V)X
  123 February 11, 2021