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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
This US Army Cipher Disk was similar to the Confederate...
- 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.
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.
24 Αυγ 2018 · This chapter looks at the cipher systems used by both the Union and Confederate sides during the American Civil War. It also presents a description of the biggest cryptanalytic breakthrough of the nineteenth century, the breaking of the unbreakable cipher, the Vigenère.
"An extremely rare decoding device used by the Confederates to encrypt secret messages throughout the Civil War. It was created by gold and silver worker, Francis LaBarre, ca 1862. At the start of the war, LaBarre (b. 1818), who was working in Washington, DC, fled the city for Richmond, Virginia where he was contracted by the Confederate Army ...
12 Οκτ 2022 · Union intelligence operatives and Pinkerton detectives were able to break the Confederate secret codes early on in the war, when they learned the south relied heavily on a few keywords: ”Manchester Bluff”, “Complete Victory,” and “Come Retribution.”
After the war, a Confederate crypto officer on Gen. Joseph Johnston’s staff wrote: “Col. E [Benjamin S. Ewell] taught me the cipher & the password, or keyword, to read the dispatches. . . The system was only to put the most important words of a message into cipher - & occasionally an unimportant one to mislead - so as to prevent detection.