DISTRIBUTION OF IMAGES USING COMPOSITE RE-ENCRYPTED IMAGES Russian patent published in 2024 - IPC H04L9/14 G09C5/00 G06F21/60 

FIELD: information technology.

SUBSTANCE: invention relates to means of distributing images that preserve privacy. In response to receiving the encrypted original image, decrypted using the administration key, image of the encrypted domain of the initial image is segmented to determine a plurality of encrypted private masks. Multiple encrypted private masks are transmitted to an image distribution server for decryption. Plurality of encrypted private images is determined, wherein each private image from the plurality of encrypted private images is determined in accordance with the initial image. Encrypted domain key modification procedures are performed to generate a plurality of repeatedly encrypted images, which contain the result of conversion of the corresponding private image. Multiple re-encrypted images are combined into a composite private image. Composite private image is transmitted to an image distribution server for further distribution to a plurality of client devices.

EFFECT: ensuring preservation of privacy when distributing images.

21 cl, 20 dwg