安全多媒体卡系统工作原理及其安全性分析

The Theory of the Secure MMC System and Its Security Analysis

多媒体卡是目前在多媒体领域被广泛应用的外部存储介质。它既可以作为便携设备中普通的数据存储介质,又可以利用内建的安全系统存储版权受保护的多媒体信息。文中在介绍安全多媒体卡工作原理的基础上,给出基于安全多媒体卡的系统服务模型,同时对系统的安全性进行分析。

The MMC Card is wildly used as a storage media in the multimedia field now.As the storage media of portable devices,it can store the encrypted content,the copyright of which is protected through the internal secure system.This paper introduces the theory of the MMC and the system of the Service Model on the basis of the Secure MMC.At the same time,its security is analyzed.