Welcome to the resource topic for 2005/383
Title:
Key Mixing in Block Ciphers through Addition modulo 2^n
Authors: Debdeep Mukhopadhyay, Dipanwita RoyChowdhury
Abstract:The classical technique to perform key mixing in block ciphers
is through exclusive-or (exor). In this paper we show that
when the n-bit key is mixed in a block cipher of size n
bits via addition modulo 2^n, the bias of the linear approximations
falls exponentially fast. Experimental results have been provided
to show that such a scheme cannot be cryptanalyzed
using Linear Cryptanalysis.
ePrint: https://eprint.iacr.org/2005/383
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