# 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.
^{[e]}

## 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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