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Caesar cipher. The action of a Caesar cipher is to replace each plaintext letter with a different one a fixed number of places down the alphabet. The cipher illustrated here uses a left shift of 3, so that (for example) each occurrence of E in the plaintext becomes B in the ciphertext. In cryptography, a Caesar cipher, also known as Caesar's ...
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.
X. Y. Z. The tap code, sometimes called the knock code, is a way to encode text messages on a letter-by-letter basis in a very simple way. The message is transmitted using a series of tap sounds, hence its name. [1] The tap code has been commonly used by prisoners to communicate with each other. The method of communicating is usually by tapping ...
Patients must be at least 18 years old, within six months of death and be assessed to ensure they are capable of making an informed decision. Two states have gone in the opposite direction. Kansas ...
This is a list of euphemisms for death and dying in the English language. A euphemism is a common word or phrase intended to soften the harshness of a literal meaning. For example, most English speakers would understand the phrase "kick the bucket" to mean "to die," as well as to actually kick a bucket. Furthermore, they would understand when ...
The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication. It was employed extensively by Nazi Germany during World War II, in all branches of the German military. The Enigma machine was considered so secure that it was used to encipher the most top ...
Beyond the veil [4] The mysterious place after death. Neutral. Originally used to refer to the 'veil' that hides the innermost sanctuary of the Temple in Jerusalem. Sometimes refers to just a mysterious place. Big sleep [4] To die or be killed. Euphemistic. Could be in reference to Raymond Chandler's 'The Big Sleep'.
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 ...