Research on a JPEG Digital Image Encryption Algorithm

This paper designs an encryption algorithm for JPEG image files based on content-associated key technology. Based on the JPEG data stream, the algorithm divides the file data into a format data part such as metadata attributes, primary decoding tokens and secondary decoding tokens, and a compressed...

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Bibliographic Details
Published in:2020 IEEE 6th International Conference on Computer and Communications (ICCC) pp. 14 - 19
Main Authors: Yunxiang, Long, Huang, Hao, Zheng, Jian
Format: Conference Proceeding
Language:English
Published: IEEE 11.12.2020
Subjects:
content association key technology
Decoding
Digital images
Encryption
Image coding
Image encryption
JPEG image
Metadata
Streaming media
Transform coding
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Summary:This paper designs an encryption algorithm for JPEG image files based on content-associated key technology. Based on the JPEG data stream, the algorithm divides the file data into a format data part such as metadata attributes, primary decoding tokens and secondary decoding tokens, and a compressed data part. The algorithm encryption process is divided into two stages, one is to analyze and locate the format data to form a key unit sequence, and the other is to randomly extract the compressed data to form a key unit sequence. Judging from the playback effect of the encrypted JPEG image file, the algorithm is effective.
DOI:10.1109/ICCC51575.2020.9345233