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O que (quem) é differential cryptanalysis - definição
Differential cryptanalysis
GENERAL FORM OF CRYPTANALYSIS APPLICABLE PRIMARILY TO BLOCK CIPHERS, BUT ALSO TO STREAM CIPHERS AND CRYPTOGRAPHIC HASH FUNCTIONS
Differential attack; T-attack; Tickle attack; Degenerate Key; Differential Cryptanalysis; Differential attacks
Differential cryptanalysis is a general form of cryptanalysis applicable primarily to block ciphers, but also to stream ciphers and cryptographic hash functions. In the broadest sense, it is the study of how differences in information input can affect the resultant difference at the output.
Higher-order differential cryptanalysis
TYPE OF CRYPTANALYTIC ATTACK
Higher order differential cryptanalysis
In cryptography, higher-order differential cryptanalysis is a generalization of differential cryptanalysis, an attack used against block ciphers. While in standard differential cryptanalysis the difference between only two texts is used, higher-order differential cryptanalysis studies the propagation of a set of differences between a larger set of texts.
Impossible differential cryptanalysis
FORM OF DIFFERENTIAL CRYPTANALYSIS FOR BLOCK CIPHERS THAT EXPLOITS DIFFERENCES THAT CANNOT OCCUR
Impossible differential attack; Miss in the middle attack; Impossible cryptanalysis; Miss-in-the-middle attack
In cryptography, impossible differential cryptanalysis is a form of differential cryptanalysis for block ciphers. While ordinary differential cryptanalysis tracks differences that propagate through the cipher with greater than expected probability, impossible differential cryptanalysis exploits differences that are impossible (having probability 0) at some intermediate state of the cipher algorithm.
