Design of a New Kind of Encryption Kernel Based on RSA Algorithm
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Fast realization of RSA algorithm by hardware is a significant and challenging task. In this paper an ameliorative Montgomery algorithm that makes for hardware realization to actualize the RSA algorithm is proposed. This ameliorative algorithm avoids multiplication operation, which is easier for hardware realization. In the decryption and digital signature process, a combination of this ameliorative Montgomery algorithm and the Chinese remainder theorem is applied, which could quadruple the speed of the decryption and digital signature compared to the encryption. Furthermore, a new hardware model of the encryption kernel based on the ameliorative Montgomery is founded whose correctness and feasibility is validated by Verilog HDL in practice.
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