# Algebraic attack/Related Articles

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*See also changes related to Algebraic attack, or pages that link to Algebraic attack or to this page or whose text contains "Algebraic attack".*

## Parent topics

- Cryptanalysis [r]: The sub-field of cryptology which deals with breaking into existing codes and ciphers.
^{[e]} - Passive attack [r]: An attack on a communications system in which the attacker reads messages he is not supposed to but does not alter them.
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## Subtopics

- Linear cryptanalysis [r]: Attacking a cipher using linear approximations to its components' behaviour; the objective is to build up an overall approximation that breaks the cipher.
^{[e]} - Block cipher [r]: A symmetric cipher that operates on fixed-size blocks of plaintext, giving a block of ciphertext for each
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- AES competition [r]: A competition run by the US National Institute of Standards and Technology to chose a block cipher to become the Advanced Encryption Standard.
^{[e]} - Cipher [r]: A means of combining plaintext (of letters or numbers, or bits), using an algorithm that mathematically manipulates the individual elements of plaintext, into ciphertext, a form unintelligible to any recipient that does not know both the algorithm and a randomizing factor called a cryptographic key
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