标准编号：ISO/IEC 19566-4:2020
中文名称：信息技术 JPEG系统 第4部分：隐私和安全
英文名称：Information technologies — JPEG systems — Part 4: Privacy and security
发布日期：2020-03
标准范围
This document specifies privacy and security features which contribute to a system layer for JPEG standards. It defines generic structures that can be applied in all JPEG box-based file formats. In particular, this document specifies a signalling syntax supporting privacy and security features. The framework in this document is backwards-compatible with existing JPEG standards.
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