Modular multiplier for enciphering/deciphering data, comprises buffer memories to store Montgomery algorithm results and operands , multiplexors, multiplier, control unit, bistable circuits and adder

摘要

Buffer memories (101,102,103,104,105) are used to store the result of the Montgomery algorithm and the operands arising from the multiplication equations of another algorithm. Multiplexors (201,202) directed by a control unit (204) are used to switch operands demanded by the multiplication of different loops to a multiplier (203). Bistable units (301-303) store the results and deliver them to an adder (304)