Data converter

For reducing device of the whole body of the utility model can realize the size of the data converter is used for the 64 digits is input into the data to perform the intended secret conversion processing treatment equipment of the data converter comprises a limited area several vertical direction calculation unit a data combination unit to the first converter the second converter the data segmentation unit and data combination unit. The co of several vertical direction calculating unit the finite field gf 2 building 8 > power value is in the coefficient of multinomial remaining ring type in the 32 bit data carrying out cubic calculation and corresponding to output data of 32 bit.