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On Searching Linear Transformations for the Register R of MICKEY-Family Ciphers
Lin WANG Ying GAO Yu ZHOU Xiaoni DU
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2018/09/01
Online ISSN: 1745-1337
Type of Manuscript: Special Section LETTER (Special Section on Discrete Mathematics and Its Applications)
MICKEY cipher, linear transformation, maximal period, finite field, primitive element,
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MICKEY-family ciphers are lightweight cryptographic primitives and include a register R determined by two related maximal-period linear transformations. Provided that primitivity is efficiently decided in finite fields, it is shown by quantitative analysis that potential parameters for R can be found in probabilistic polynomial time.