Імовірності Диференціалів Шифруючих Перетворень із Частковим Забілюванням Ключами

Serhii Yakovliev; Volodymyr Poluliakh

The Differential Probabilities of the Encryption Mappings with Partial Key Whitening

Authors

Serhii Yakovliev Dept. of Mathematical Methods of Information Security Institute of Physics and Technology National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"
Volodymyr Poluliakh Dept. of Mathematical Methods of Information Security Institute of Physics and Technology National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"

Keywords:

block ciphers, S-boxes, differential cryptanalysis

Abstract

Developers of GIFT lightweight cipher proposed to use a partial key whitening of input data within encryption process. We study the effect of such modification on the security of encryption mappings against differential cryptanalysis.