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The Confederate Cipher Disc was a mechanical wheel cipher consisting of two concentric discs, each with the 26 letters of the Latin alphabet, that was used for the encryption of secret messages of the Confederacy during the American Civil War (1861-1865).
- Giddings Field Message-Book
Message Pad with US Army Cipher Disk The Giddings Field...
- Giddings Field Message-Book
The Confederate Cipher Disk: (A Polyalphabetic cipher disk), was a mechanical wheel cipher consisting of two concentric disks, each with the 26 letters of the Latin alphabet, that was used for the encryption of messageges.
13 Δεκ 2020 · AZdecrypt is a fast multi-threaded homophonic substitution cipher solver with a Windows GUI. AZdecrypt was used by an international three-person team of codebreakers who made a breakthrough with the Zodiac Killer's unsolved 340-character cipher on December 3rd, 2020, and announced one week later.
The cipher disk came into large· scale use in the United States for the first time in the Civil War. The Federals' Chief Signal Officer patented a version of it, very similar to the original Italian disk, for use in flag signaling.
17 Μαρ 2016 · The Disks could be used as simple substitution cipher by setting the wheels at a known alignment, such as using setting the inner wheel letter A with the outer wheel letter D as shown in the photo of the Confederate Cipher above, but this would have been quite easy to decode.
Circa 1862, Confederate Civil War. View All Artifacts. The two attached wheels of a cipher disk are printed with the same alphabet. The inner wheel turns to create a new displacement code. M = G, P = J, etc. The International Spy Museum® is an independent nonprofit organization.
24 Αυγ 2018 · Details the decryption and historical background of a Confederate message in a grille cipher system (Rochford's (Rochfort) Cipher) previously unknown to the cryptography of the U. S. Civil...
