Image information encryption manner, the image information encryption device, the image the computer program in order to encrypt.

摘要

PROBLEM TO BE SOLVED: To provide a simpler and easier method of encrypting image information, a device for encrypting image information using the method, and furthermore a computer program for embodying the method and the device.;SOLUTION: The device for encrypting image information 1 has an image information data storage section 11 to store image information data and a key generation section 12 to perform fractional Fourier transform based on the image information data and generate a key. The computer program is configured to make a computer function as an image information data storage means for storing image information data and a key generating means for performing fractional Fourier transform based on the image information data and generating a key.;COPYRIGHT: (C)2010,JPO&INPIT