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	AES (Rijndael)	Lineárna kryptanalýza
Odbor	Kryptografia	Kryptografia
Rodina	Machine learning	Machine learning
Rok vzniku	2001	1993
Tvorca	Joan Daemen	Mitsuru Matsui
Typ	symmetric encryption algorithm	linear approximation attack
Pôvodný zdroj	Daemen, J., & Rijmen, V. (2002). The Design of Rijndael: AES - The Advanced Encryption Standard. Springer-Verlag. ISBN: 978-3540425809	Matsui, M. (1993). Linear cryptanalysis method for DES cipher. In Advances in Cryptology - EUROCRYPT 1993, LNCS 765, pp. 386-397.
Ďalšie názvy	Rijndael, AES encryption, FIPS 197	linear attack, linear approximation, piling-up lemma
Príbuzné	4	3
Zhrnutie	The Advanced Encryption Standard (AES), also known as Rijndael, is a symmetric block cipher adopted as the official encryption standard by the U.S. government in 2001. It processes data in 128-bit blocks using 128, 192, or 256-bit keys and performs multiple rounds of substitution, permutation, and mixing operations. AES is the most widely used symmetric encryption algorithm today, securing everything from government communications to everyday internet traffic.	Linear cryptanalysis is a known-plaintext attack that exploits linear approximations of a cipher's non-linear transformations to recover secret key bits. Introduced by Mitsuru Matsui in 1993, linear cryptanalysis provides practical attacks on ciphers like DES with computational complexity less than brute force. The technique analyzes statistical biases in how linear combinations of plaintext and ciphertext bits relate to key bits, enabling key recovery with reduced data requirements.