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With worldwide communication of the private and confidential data over the computing networks or internet, there is always a chance of threat of data confidentality, data integrity and also of data availability. Information has become one of the most important assests in growing demand of need to store every single importance of events in everyday of our life. Encipherment is one of the important...
The Advanced Encryption Standard (AES) is the main algorithm used to ensure security and privacy in several different applications ranging from massive data servers to small low-power embedded systems. Such embedded systems often rely on dedicated hardware implementations of AES in order to meet tight power budgets. In this scenario, C/C++ High-Level Synthesis (HLS) solutions are gaining acceptance...
In this paper, we propose an improved RC6 encryption algorithm that have the same structure of encryption and decryption. So far, conventional RC6 algorithms have difference structure of encryption and decryption. We devise our algorithm by inserting a symmetric layer using simple rotation and XOR operations, in which the half of whole RC6 rounds uses encryption procedure and the rest of it are employs...
Feistel and SPN are the two main structures in designing a block cipher algorithm. Unlike Feistel, an SPN has an asymmetric structure in encryption and decryption. In this paper we propose an SPN algorithm which has a symmetric structure in encryption and decryption. The whole operations in our SPN algorithm are composed of the even numbers of N rounds where the first half of them, 1 to N/2, applies...
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