Cryptographic algorithm reconfigurable system and method based on Sponge structure

The invention discloses a cryptographic algorithm reconfigurable system and method based on a Sponge structure, and relates to the field of hardware information security. The invention aims to ensure the mapping of various cryptographic algorithms on a framework so as to solve the problems of low efficiency of a programmable logic device, insufficient flexibility of an application-specific integrated circuit and the like. Comprising a processing calculation unit, a control configuration unit, a storage unit, a preprocessing buffer unit and an interconnection unit. Wherein a processing operation unit in the reconfigurable computing framework comprises a logic operation unit, a shift operation unit and an S box unit. The processing calculation unit mainly undertakes the core function of the reconfigurable calculation framework and completes the implementation of round functions in the algorithm under the scheduling of the control configuration unit; the control configuration unit is used for performing control