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The pigpen cipher (alternatively referred to as the masonic cipher, Freemason's cipher, Rosicrucian cipher, Napoleon cipher, and tic-tac-toe cipher) [2] [3] is a geometric simple substitution cipher, which exchanges letters for symbols which are fragments of a grid. The example key shows one way the letters can be assigned to the grid.
In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code, or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet.
Video provides a powerful way to help you prove your point. When you click on Online Video, you can paste in the embed code for the video you want to add. You can also type a keyword to search online for the video that best fits your document. To make your document look professionally produced, Word provides header, footer, cover page, and text ...
The first known "curb your dog" signs in New York City, twenty five in number, were distributed in 1937 "at points around the city" "in an effort to train owners." [1] In the 1970s, a curb your dog sign campaign was launched in response to a problem that was becoming intolerable. Signs were erected to educate residents that it was required for ...
Apple is about to get a new secret weapon that could lead to some juicy returns for investors: AI-focused phones. Bank of America analysts call them “IntelliPhones,” and in a Wednesday note ...
President Joe Biden walks his dog Commander on the beach in Rehoboth Beach, Delaware, December 28, 2021. A new report says the president saw his dog attack Secret Service Agents.
Code (cryptography) A portion of the "Zimmermann Telegram" as decrypted by British Naval Intelligence codebreakers. The word Arizona was not in the German codebook and had therefore to be split into phonetic syllables. Partially burnt pages from a World War II Soviet KGB two-part codebook. In cryptology, a code is a method used to encrypt a ...
t. e. The Enigma machine was used commercially from the early 1920s and was adopted by the militaries and governments of various countries—most famously, Nazi Germany. Cryptanalysis of the Enigma ciphering system enabled the western Allies in World War II to read substantial amounts of Morse-coded radio communications of the Axis powers that ...