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Modern cryptography seeks to guarantee the information confidentiality and prevent unauthorized people from having access to it. These principles may be applied in portable devices that require the protection of the information that has been stored and processed. These types of applications require certain design commitments that are achieved using high-performance hardware and the implementation of lightweight algorithms, specifically the Present algorithm. This method uses a block-based light encryption scheme which is relatively new, that has not been infringed at the present date, with features that make it appealing for an implementation on reconfigurable architectures such as FPGA. This work presents the study, design, implementation and tests of this encryption algorithm.

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