Lightweight block ciphers are cryptographic primitives that are considered to be easy on the computer resources. The structure, block size and the number of rounds of the algorithms allow faster execution with little demand for the computing resources. On the hardware lightweightness is measured based on the execution latency, the bandwidth on communication channels and the amount of energy the computing device requires for execution of the algorithm. Demand for lightweight algorithms in cryptography has been increased by the need to provide security for the upcoming pervasive information Technology Landscape which is highly dependent on small and cheap devices. ...
Essays on Hopping
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World War II saw the advent of many different types of new warfare - however, the most dramatic improvements came in the development of strategic bombing and multipurpose aircraft, with high flight ceilings, heavy armor, and incredibly large payloads and armaments. In World War II, the multi-engined heavy bomber became an important tool of aerial warfare. From carpet bombing to Fat Man and Little Boy, these large, slowly moving but intimidating aircraft ruled the skies of the Pacific Ocean and Europe. Two important pieces of aerospace technology that saw use in the war are the B-17 Flying Fortress and ...