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The Copiale cipher is an encrypted manuscript consisting of 75,000 handwritten characters filling 105 pages in a bound volume. [1] Undeciphered for more than 260 years, the document was decrypted in 2011 with computer assistance. An international team consisting of Kevin Knight of the University of Southern California Information Sciences ...
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.
Code talker. Choctaw soldiers in training in World War I for coded radio and telephone transmissions. A code talker was a person employed by the military during wartime to use a little-known language as a means of secret communication. The term is most often used for United States service members during the World Wars who used their knowledge ...
Chakobsa. Chakobsa is a Northwest Caucasian language, possibly in the Circassian subgroup. According to linguist John Colarusso, Chakobsa is also known as shikwoshir or the 'hunting language' and was originally a secret language used only by the princes and nobles, and is still used by their descendants. An informant of Colarusso has asserted ...
An armed man with body armor, knives and suspicious writings that included the words "You gonna learn today" was arrested Wednesday in New York City.
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.
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Open sesame. Ali Baba overhearing one of the thieves saying "Open Sesame". " Open sesame " ( French: Sésame, ouvre-toi; Arabic: افتح يا سمسم, romanized : iftaḥ yā simsim) is a magical phrase in the story of "Ali Baba and the Forty Thieves" in Antoine Galland 's version of One Thousand and One Nights. It opens the mouth of a cave ...