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Encryption and decryption method for steganography data based on moving picture
Encryption and decryption method for steganography data based on moving picture
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机译：基于运动图片的密写数据加解密方法
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摘要
The present invention relates to steganographic techniques for concealing secret data, and a method for encrypting steganography data based on moving images, comprising at least one computing device and a data input device, In order to conceal data, a cover data of a video format is input. A frame for concealing confidential data in cover data is selected by using a hash value extracted from the confidential data, And inserts the secret data into a predetermined frame. The secret data is inserted at an arbitrary position in each frame according to the generated random number, and the hash value and secret data The information required for extraction is inserted into the cover data through a watermark, And it outputs the cover data including the mark.
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