نتایج جستجو برای: Cryptography
تعداد نتایج: 38324 فیلتر نتایج به سال:
Advances in information and communication technologies lead to use of some new devices such as smart phones. The new devices provide more advantages for the adversaries hence with respect to them, one can define with-box cryptography. In this new model of cryptography, designers try to hide the key using as a kind of implementation. The Differential Computation Analysis (DCA) is a side channel ...
This paper mirrors an invited talk to ISCISC 2011. It is not a conventional paper so much as an essay summarizing thoughts on a little-talked-about subject. My goal is to intermix some introspection about definitions with examples of them, these examples drawn mostly from cryptography. Underpinning our discussion are two themes. The first is that definitions are constructed. They are i...
we give a survey of recent applications of group rings to combinatorics and tocryptography, including their use in the di erential cryptanalysis of block ciphers.
Abstract : A visual cryptography scheme based on a given graph G is a method to distribute a secret image among the vertices of G, the participants, so that a subset of participants can recover the secret image if they contain an edge of G, by stacking their shares, otherwise they can obtain no information regarding the secret image. In this paper a maximal independent sets of the graph G was ...
Network security is very important when sending confidential data through the network. Cryptography is the science of hiding information, and a combination of cryptography solutions with cognitive science starts a new branch called cognitive cryptography that guarantee the confidentiality and integrity of the data. Brain signals as a biometric indicator can convert to a binary code which can be...
Due to the fast development in information and communication technology, new challenging problems appear in the security. So, it is important and vital that the scientific society of our country focuses on research and studies these problems and by providing new proposal try to respond to these critical needs of our country. Hence, our aim in this paper is to study and highlight one of the impo...
Visual cryptography is a method that makes use of the characteristics of human vision and it requires neither the knowledge of cryptography nor the complex calculations. This method was first proposed by Naor and Shamir, its implementation is simple, it has been extended to an secrect sharing (k, n) in which n shares are made from the image and they are distributed among n participants. Moreov...
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