行业标准：GY∕T 255-2012 可下载条件接收系统技术规范.pdf

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1、GY中华人民共和国广播电影电视行业标准GY/T255—2012可下载条件接收系统技术规范Technicalspecificationofdownloadableconditionalaccesssystem2012-03-16发布2012-03-16实施国家广播电影电视总局发布GY/T255—2012目次前言................................................................................III引言.......................................

2、..........................................IV1范围...............................................................................12规范性引用文件.....................................................................13术语、定义、缩略语和约定...........................................................13

3、.1术语和定义.....................................................................13.2缩略语.........................................................................34概述................................................................................35安全机制.................................

4、...........................................45.1密钥机制.......................................................................55.2DCAS终端软件安全机制...........................................................65.3DCAS终端硬件安全机制...........................................................66总体要求.

5、...........................................................................76.1DCAS前端系统要求...............................................................76.2安全芯片密钥植入模块要求.......................................................76.3DCAS用户端软件要求.........................................

6、....................76.4终端安全芯片要求...............................................................76.5终端软件平台要求...............................................................86.6终端安全和鲁棒性要求...........................................................87系统功能概述............................

7、............................................87.1DCAS系统结构...................................................................87.2DCAS前端模块功能概述...........................................................97.3终端模块功能概述..............................................................117.4DC

8、AS安全数据管理平台功能概述.................................