Abstract
With popularity of social network services, the security and privacy issues over shared contents receive many attentions. Besides, multimedia files have additional concerns of copyright violation or illegal usage to share over communication networks. For image file management, JPEG group develops new image file format to enhance security and privacy features. Adopting a box structure with different application markers, new standards for privacy and security provide a concept of replacement substituting a private part of the original image or metadata with an alternative public data. In this paper, we extend data protection features of new JPEG formats to remote access control as a metadata. By keeping location information of access control data as a metadata in image files, the image owner can allow or deny other’s data consumption regardless where the media file is. License issue also can be resolved by applying new access control schemes, and we present how new formats protect commercial image files against unauthorized accesses.
Highlights
With the increase of data consumption and content creation through the Internet, data security and privacy are one of the major concerns for data sharing
Social network services make easier for the Internet users to share multimedia contents rather texting with others
We reviewed image protection methods for region of interests and various metadata suggested in JPEG privacy and security standards
Summary
With the increase of data consumption and content creation through the Internet, data security and privacy are one of the major concerns for data sharing. The attacks are trying to modify or delete speci c information in the document to claim legal ownership or proper authorities for content usage. Addressing these challenges has been an interesting problem for secure communication over open networks. In addition to adopting new media standards, we suggest to keep access control as a Security and Communication Networks remote data and store its reference as a metadata in the media file. We provide examples of media content, adopting suggested image file formats and explanations on data protection schemes
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