enciphered code
51Cryptovirology — is a field that studies how to use cryptography to design powerful malicious software. The field was born with the observation that public key cryptography can be used to break the symmetry between what an antivirus analyst sees regarding a virus …
52Nihilist cipher — In the history of cryptography, the Nihilist cipher is a manually operated symmetric encryption cipher originally used by Russian Nihilists in the 1880s to organize terrorism against the czarist regime. The term is sometimes extended to several… …
53No. 1 Wireless Unit RAAF — was an Australian signals intelligence unit of World War II. The Unit was established on 25 April 1942. This name which was the formalised name given to the small RAAF Intercept Station operating in two back to back houses at 21 Sycamore Street… …
54ultra — /ul treuh/, adj. 1. going beyond what is usual or ordinary; excessive; extreme. n. 2. an extremist, as in politics, religion, fashion, etc. 3. (cap.) Mil. the British code name for intelligence gathered by decrypting German wireless… …
55su´per|en|ci´pher|ment — su|per|en|ci|pher «SOO puhr ehn SY fuhr», transitive verb. to encipher (a message already in code or cipher): »Codes are often superenciphered: The code words or code numbers are enciphered by some cipher system just as if they were ordinary… …
56su|per|en|ci|pher — «SOO puhr ehn SY fuhr», transitive verb. to encipher (a message already in code or cipher): »Codes are often superenciphered: The code words or code numbers are enciphered by some cipher system just as if they were ordinary plain text (Scientific …
57Battle of the Bulge — For other uses, see Battle of the Bulge (disambiguation). Battle of the Bulge Part of World War II …
58Peninsular War — For the 1862 American Civil War campaign, see Peninsula Campaign. Peninsular War Part of the Napoleonic Wars …
59Floradora — also called Keyword, was a doubly enciphered diplomatic code used by the Germans during the Second World War. The Allies used IBM tabulating equipment to break the code over period of more than a year in 1941 and 1942.Broadway Musicals* Florodor …
60Zimmermann Telegram — The Zimmermann Telegram (or Zimmermann Note; German: Zimmermann Depesche ; Spanish: Telegrama Zimmermann ) was a coded telegram dispatched by the Foreign Secretary of the German Empire, Arthur Zimmermann, on January 16, 1917, to the German… …
