منابع مشابه
Balanced permutations Even-Mansour ciphers
The r-rounds Even–Mansour block cipher is a generalization of the well known Even–Mansour block cipher to r iterations. Attacks on this construction were described by Nikolić et al. and Dinur et al. for r = 2, 3. These attacks are only marginally better than brute force but are based on an interesting observation (due to Nikolić et al.): for a “typical” permutation P, the distribution of P(x)⊕ ...
متن کاملTweaking Even-Mansour Ciphers
We study how to construct efficient tweakable block ciphers in the Random Permutation model, where all parties have access to public random permutation oracles. We propose a construction that combines, more efficiently than by mere black-box composition, the CLRW construction (which turns a traditional block cipher into a tweakable block cipher) of Landecker et al. (CRYPTO 2012) and the iterate...
متن کاملFULL PROFESSOR MANSOUR MESDAGHI
Mansour Mesdaghi was born in 1941 in Ghazvin, Iran, where he completed his elementary and high school.After graduation from Gorgan Forest and Range school, he had been employed in Ministry of Natural Resources as a technician in FAO branch of United Nation in collaboration with Dr. D. L. Goodwin, the Range Scientist at Houmand Range Research Station. He received his B.A degree in Economics at T...
متن کاملLimitations of the Even-Mansour Construction
In [1] a construction of a block cipher from a single pseudorandom permutation is proposed. In a complexity theoretical setting they prove that this scheme is secure against a polynomially bounded adversary. In this paper it is shown that this construction suffers from severe limitations that are immediately apparent if differential cryptanalysis [3] is performed. The fact that these limitation...
متن کاملMANSOUR and KAWAMOTO : ICA PAPERS CLASSIFIED
Since the beginning of the last two decades, many researchers have been involved in the problem of Blind Source Separation (BSS). Whilst hundreds of algorithms have been proposed to solve BSS. These algorithms are well known as Independent Component Analysis (ICA) algorithms. Nowadays, ICA algorithms have been used to deal with various applications and they are using many performance indices. T...
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ژورنال
عنوان ژورنال: Kelola: Journal of Islamic Education Management
سال: 2019
ISSN: 2685-9939,2548-4052
DOI: 10.24256/kelola.v4i2.869