Patent ID: 8009831

Claim:
A method of hiding the decryption key in a dispersive way, comprising: decomposing a decryption key corresponding to content to be accessed into at least two partial decryption keys, comprising first partial decryption key and second partial decryption key; storing the first partial decryption keys in a memory device; storing the second partial decryption keys in a hidden area of the memory device; embedding the first partial decryption key into an application of an electronic device; transforming the application to an executable file for the electronic device using a compiler corresponding to an operating system of the electronic device; when the memory device is installed on the electronic device, activating the application installed in the electronic device; the application retrieving the first partial decryption keys from the memory device and the second partial decryption keys from the hidden area of the memory device; the application re-organizing and coding the first and second partial decryption keys to recover the decryption key; and the application decrypting the content using the decryption key, enabling the electronic device to access the content.