Displaying similar documents to “Irrational life.”

Six lonely runners.

Bohman, Tom, Holzman, Ron, Kleitman, Dan (2001)

The Electronic Journal of Combinatorics [electronic only]

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Plaintext Recovery in DES-like Cryptosystems Based on S-boxes with Embedded Parity Check

Angelova, Vesela, Borissov, Yuri (2013)

Serdica Journal of Computing

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We describe an approach for recovering the plaintext in block ciphers having a design structure similar to the Data Encryption Standard but with improperly constructed S-boxes. The experiments with a backtracking search algorithm performing this kind of attack against modified DES/Triple-DES in ECB mode show that the unknown plaintext can be recovered with a small amount of uncertainty and this algorithm is highly efficient both in time and memory costs for plaintext sources with relatively...