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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.
Book cipher. The King James Bible, a highly available publication suitable for the book cipher. A book cipher is a cipher in which each word or letter in the plaintext of a message is replaced by some code that locates it in another text, the key . A simple version of such a cipher would use a specific book as the key, and would replace each ...
Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized : kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively [1] ), is the practice and study of techniques for secure communication in the presence of adversarial behavior. [2]
In 1974, Khalifa claimed to have discovered a mathematical code hidden in the Quran, a code based around the number 19. He wrote the book The Computer Speaks: God's Message to the World, in which he thematizes this Quran code. He relies on Surah 74, verse 30 to prove the significance of the number: "Over it is nineteen,".
Fourteen Words. " The Fourteen Words " (also abbreviated 14 or 1488) is a reference to two slogans originated by David Eden Lane, [1] [2] one of nine founding members of the defunct white supremacist terrorist organization The Order, [3] and are accompanied by Lane's "88 Precepts".
Additionally, it modifies certain words on the basis of a system of suffixes and alternative meanings. There are many dialects or linguistic varieties in different online communities . The term "leet" is derived from the word elite , used as an adjective to describe skill or accomplishment, especially in the fields of online gaming and computer ...
For the prefix "Stego-" as used in taxonomy, see List of commonly used taxonomic affixes. The same image viewed by white, blue, green, and red lights reveals different hidden numbers. Steganography ( / ˌstɛɡəˈnɒɡrəfi / ⓘ STEG-ə-NOG-rə-fee) is the practice of representing information within another message or physical object, in such ...