Follow the right-hand Diagram, it is shown to work inside of a function F (F-function), which appears from the Diagram above, by the operation of the F function is initiated by the data size 32 Bit will be divided into four parts, each 8 Bit as Input into the work of 4 S-boxes within a function F, and when passed to S-box, and then it will be Output as the data size 32 Bit in every S-box this is done by adding and removing debris with 232 Division and the final XOR data until the size is 32 Bit.
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