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Substitution boxes with resilient cryptographic possessions are normally utilized in block
ciphers to give the substantial property of nonlinearity. They are important to resist standard …

The present article introduced a novel idea for information hiding namely steganography.
We have used new notions for the construction of the nonlinear component for block cipher …

Typical security confirmation for a cryptographic protocol correlates its resilience to a specific
attack to assure the hardness of some mathematical problem. Block encryption algorithm …

In this paper, we have proposed (i) a hash function and (ii) an efficient message
authentication code based on quasigroup. We refer to these as QGMD5 and QGMAC …

There are several block ciphers designed by using Feistel networks or their generalization,
and some of them allow to be represented by using quasigroup transformations, for suitably …

Accelerated growth in networking and semiconductor devices led to the increase of Internet-
connected devices over recent years. The applications of IoT provide pervasive admittance …

Security efficiency and hardware efficiency are equally important when designing a block
cipher. In this paper, we propose a new block cipher that uses string transformations and …

The security of block ciphers solely depends on the S-boxes used in their design. Hence, for
a secure block cipher, S-boxes should be chosen very thoughtfully. n-ary quasigroups of …

In this article, we have designed a new scheme for the construction of the nonlinear
confusion component. Our mechanism uses the notion of a semigroup, Inverse LA …