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O que (quem) é E2 (cipher) - definição

BLOCK CIPHER

E2 (cipher)

In cryptography, E2 is a symmetric block cipher which was created in 1998 by NTT and submitted to the AES competition.

https://en.wikipedia.org/wiki/E2_(cipher)

XOR cipher

ENCRYPTION BY SIMPLE EXCLUSIVE-OR LOGIC OPERATIONS

Simple XOR Cipher; Simple XOR cipher; XOR encryption; Xor encryption; Xor cipher

In cryptography, the simple XOR cipher is a type of additive cipher, an encryption algorithm that operates according to the principles:

https://en.wikipedia.org/wiki/XOR_cipher

Caesar cipher

SIMPLE AND WIDELY KNOWN ENCRYPTION TECHNIQUE

Shift cipher; Caesar shift cipher; Caesar cypher; Caeser cipher; ROT3; Caesar shift; Caesarean cipher; Caesar Cipher; Rotation cipher; Caesar-shift substitution cipher; Caesar encryption; Caesar’s cipher; Caesar Code; Caesar code; Caesar's cipher; Caesar's code; Caesar's Cipher; Caesar Shift; Caesarian cipher; Ceaserian cipher; Ceasarian cipher; Ceserian cipher; Cesarian cipher; Caesar's method; Caesar method; Shift cypher; Ceasar cypher; Ceasar Cipher

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.

https://en.wikipedia.org/wiki/Caesar_cipher

Wikipédia

E2 (cipher)

In cryptography, E2 is a symmetric block cipher which was created in 1998 by NTT and submitted to the AES competition.

Like other AES candidates, E2 operates on blocks of 128 bits, using a key of 128, 192, or 256 bits. It uses a 12-round Feistel network. E2 has an input transformation and output transformation that both use modular multiplication, but the round function itself consists only of XORs and S-box lookups. The single 8×8-bit S-box is constructed from the composition of an affine transformation with the discrete exponentiation x¹²⁷ over the finite field GF(2⁸). NTT adopted many of E2's special characteristics in Camellia, which has essentially replaced E2.

https://en.wikipedia.org/wiki/E2 (cipher)