substitution table
21Cryptanalyse Linéaire — La cryptanalyse linéaire est une technique inventée par Mitsuru Matsui, chercheur chez Mitsubishi. Elle date de 1993 et fut développée à l origine pour casser l algorithme de chiffrement symétrique DES. Ce type de cryptanalyse se base sur un… …
22Cryptanalyse lineaire — Cryptanalyse linéaire La cryptanalyse linéaire est une technique inventée par Mitsuru Matsui, chercheur chez Mitsubishi. Elle date de 1993 et fut développée à l origine pour casser l algorithme de chiffrement symétrique DES. Ce type de… …
23Cryptanalyse linéaire — La cryptanalyse linéaire est une technique inventée par Mitsuru Matsui, chercheur chez Mitsubishi. Elle date de 1993 et fut développée à l origine pour casser l algorithme de chiffrement symétrique DES. Ce type de cryptanalyse se base sur un… …
24cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction …
25chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
26SN2 reaction — The SN2 reaction (also known as bimolecular nucleophilic substitution) is a type of nucleophilic substitution, where a lone pair from a nucleophile attacks an electron deficient electrophilic center and bonds to it, expelling another group called …
27Japanese cryptology from the 1500s to Meiji — The cipher system that Uesugi used is basically a simple substitution usually known as a Polybius square or “checkerboard.” The i ro ha alphabet contains forty eight letters, so a seven by seven square is used, with one of the cells left blank.… …
28Sacrifice — • This term is identical with the English offering (Latin offerre) and the German Opfer Catholic Encyclopedia. Kevin Knight. 2006. Sacrifice Sacrifice …
29isotope — isotopic /uy seuh top ik/, adj. isotopically, adv. /uy seuh tohp /, n. Chem. any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in… …
30evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …
