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Algorithms for data encryption are one of the most important parts of modern communication systems. In this paper the results of hardware implementation of AES256 and TDES algorithms are presented. AES256 and TDES are implemented as an IP core with AXI interface because of constant growth of data transfer requirements in modern embedded systems, in order to improve their capability. Beside details...
In this paper, an image encryption algorithm based on Ikeda and Henon chaotic maps is presented. One of the most used in image encryption techniques which is shuffling and diffusion combination is used in this study. Firstly rows and columns of the image are shuffled by Ikeda map and then gray levels of pixels are changed by Henon map. After that, Ikeda Map is used again to shuffle the image which...
The secrecy of information predominantly relies on secrecy of used cryptographic key rather than secrecy of cryptographic algorithm. Thus, a very important component of cryptographic system verification is proofing that cipher text originates from given plain text and specified cryptographic key. The implementation of such methodology is complex in bulk mode transmission systems with multi Gbit/s...
This paper presents implementation and analysis of the VPN software router which is based on Quagga and strongSwan open-source software tools. We validated functionalities of strongSwan and Quagga in realistic environment which include scenarios with link failures. Also, we measured and analyzed performance of encryption and hash algorithms supported by strongSwan software, in order to advise optimal...
In modern communication networks, the security aspect is very important. Encryption algorithms are used to protect user communication from eavesdropping. Symmetric key algorithms must be used to achieve high speed secured communication. In this paper, we propose and evaluate the pipelined implementation of the Camellia encryption algorithm which has been approved for use by the ISO/IEC. Camellia algorithm...
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