logo

Video encyclopedia

Partitioning cryptanalysis

2:12

What is IMPOSSIBLE DIFFERENTIAL CRYPTANALYSIS? What does IMPOSSIBLE DIFFERENTIAL CRYPTANALYSIS mean?

1:36

What is DIFFERENTIAL FAULT ANALYSIS? What does DIFFERENTIAL FAULT ANALYSIS mean?

1:26

Biclique attack Top #12 Facts

2:23

My Future (XL Layout) - Geometry Dash 2.11 | Geometry Dash [2.1]

2:37

Rambus Inventor Profile - Paul Kocher

In cryptography, partitioning cryptanalysis is a form of cryptanalysis for block ciphers. Developed by Carlo Harpes in 1995, the attack is a generalization of linear cryptanalysis. Harpes originally replaced the bit sums of linear cryptanalysis with more general balanced Boolean functions. He demonstrated a toy cipher that exhibits resistance against ordinary linear cryptanalysis but is susceptible to this sort of partitioning cryptanalysis. In its full generality, partitioning cryptanalysis works by dividing the sets of possible plaintexts and ciphertexts into efficiently-computable partitions such that the distribution of ciphertexts is significantly non-uniform when the plaintexts are chosen uniformly from a given block of the partition. Partitioning cryptanalysis has been shown to be more effective than linear cryptanalysis against variants of DES and CRYPTON. A specific partitioning attack called mod n cryptanalysis uses the congruence classes modulo some integer for partitions.
    Explore contextually related video stories in a new eye-catching way. Try Combster now!