The aim of this work was to design a System on Programmable Chip (SoPC), that implements the Whirlpool Hash Function (WHF) algorithm. An assumption of the project was to use an embedded soft-processor NIOS II controlling the whole system, which functionality was extended by a custom logic in order to improve the used algorithm efficiency. This paper presents the Whirlpool Hash Function realized in several SoPC configurations, which differ in implementation complexity and performance.
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The special character of meteorological data, especially various measurement times and standard statistics, makes a programmer solve non-standard problems. The Regional Meteorological Database (RMD) was created in the early nineties of the last century. The RMD uses a data module stored in files, a control module (for data reading and recording) based on indexing by the hashing functions, and a module which makes it possible to display data.
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