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Tabula recta In cryptography , the tabula recta (from Latin tabula rēcta ) is a square table of alphabets, each row of which is made by shifting the previous one to the left. The term was invented by the German author and monk Johannes Trithemius [ 1 ] in 1508, and used in his Trithemius cipher .
A tabula recta for use with an autokey cipher An autokey cipher (also known as the autoclave cipher ) is a cipher that incorporates the message (the plaintext ) into the key . The key is generated from the message in some automated fashion, sometimes by selecting certain letters from the text or, more commonly, by adding a short primer key to ...
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The Vigenère square or Vigenère table, also known as the tabula recta, can be used for encryption and decryption. In a Caesar cipher, each letter of the alphabet is shifted along some number of places. For example, in a Caesar cipher of shift 3, a would become D, b would become E, y would become B and so on. The Vigenère cipher has several ...
PY Ta 641, sometimes known as the Tripod Tablet, [1] is a Mycenaean clay tablet inscribed in Linear B, currently displayed in the National Archaeological Museum, Athens. [1] Discovered in the so-called "Archives Complex" of the Palace of Nestor at Pylos in Messenia in June 1952 by the American archaeologist Carl Blegen , it has been described ...
Tabula recta • Taher Elgamal • Tamper resistance • Tcpcrypt • Television encryption • TEMPEST • Template:Cryptographic software • Temporal Key Integrity Protocol • Testery • Thawte • The Alphabet Cipher • The Code Book • The Codebreakers • The Gold-Bug • The Magic Words are Squeamish Ossifrage • Theory of ...
Tabula, Inc., was an American fabless semiconductor company based in Santa Clara, California. [1] Founded in 2003 by Steve Teig (ex- CTO of Cadence ), it raised $215 million in venture funding . The company designed and built three dimensional field programmable gate arrays (3-D FPGAs ) and ranked third on the Wall Street Journal's annual "Next ...
The Emerald Tablet, the Smaragdine Table, or the Tabula Smaragdina [a] is a compact and cryptic Hermetic text. [1] It was a highly regarded foundational text for many Islamic and European alchemists . [ 2 ]