Cross-platform block device interconnection and intercommunication method and system and computer program product

The invention provides a cross-platform block device interconnection and intercommunication method and system, and a computer program product. The method comprises the following steps: a controlled home device generates a random number; the controlled household equipment generates a first challenge value through a preset algorithm according to the random number and the license of the controlled household equipment; the access management center obtains the random number, the device identifier of the home control terminal and the device identifier of the controlled home device; the access management center generates a second challenge value through a preset algorithm according to the random number, the equipment identifier of the home control terminal and the equipment identifier of the controlled home equipment, and sends the second challenge value to the home control terminal; and the controlled home equipment and the home control terminal carry out mutual authentication verification according to a preset con