The SYKO cipher device was a compact British cipher apparatus in use during World War II. It was invented and patented by Morgan O'Brien before the war...
11 KB (1,593 words) - 09:40, 16 April 2024
"Britain's Enigma", and just before WW2 he patented the coding device known as the SYKO cipher device used throughout the war by the allied air forces, and to...
6 KB (893 words) - 00:21, 15 January 2024
B-Dienst (section Combined Naval Cipher No. 3)
flow largely ended when the Admiralty introduced Naval Cipher No. 5 on 10 June 1943. The new cipher became secure in January 1944 with the introduction of...
140 KB (16,892 words) - 23:37, 17 November 2024
including COFOX, MEDOX, FOXO, LOXO, SYKO, Air Force code and Aircraft Movement code. The US "Hagelin" M-209 field cipher machine and the French "Anglp"[clarification...
11 KB (1,346 words) - 19:35, 1 August 2024
polyalphabetic ciphers with variants occurred more frequently and were what the German cryptanalyst would expect. The British SYKO Strip Cipher is built on...
39 KB (4,162 words) - 07:56, 28 October 2024