CN101276432B - 一种存储卡及其实现数字内容保护的方法 - Google Patents
一种存储卡及其实现数字内容保护的方法 Download PDFInfo
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- CN101276432B CN101276432B CN2008101119845A CN200810111984A CN101276432B CN 101276432 B CN101276432 B CN 101276432B CN 2008101119845 A CN2008101119845 A CN 2008101119845A CN 200810111984 A CN200810111984 A CN 200810111984A CN 101276432 B CN101276432 B CN 101276432B
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控制信号 | 输入/输出 | 功能说明 | 使用方法 |
准备好接收信号 (nInReady) | 输出 | 安全算法模块内输入缓 冲器状态标志位;与 | nInReady=1时,输入缓冲器忙,不接收 数据;nInReady=0时,输入缓冲器可以 |
nInIntQ构成一对握手 信号 | 接收数据。 | ||
请求发送数据信 号(nInIntQ) | 输入 | 向安全算法模块输入数 据请求信号;与 nInReady构成一对握手 信号 | 如设置为低电平有效 |
准备好发送数据 信号(nOutReady) | 输出 | 安全算法模块内输出缓 冲器状态标志位;与 nOutIntQ构成一对握手 信号 | nOutReady=1时,输出缓冲器中无数据 可以输出;nOutReady=0时,输出缓冲 器中有数据可以输出。 |
请求接收数据信 号(nOutIntQ) | 输入 | 从安全算法模块输出数 据信号;与nOutReady 构成一对握手信号 | 如设置为低电平有效 |
数据锁存时钟信 号(nLE) | 输入 | 输入/输出数据锁存时 钟 | nInReady=0,nInIntQ=0且nLE=0时, DB0~DB8数据被条件接收单元锁存; nOutReady=0,nOutIntQ=0且nLE=0时, DB0~DB8输出数据。 |
DB<7:0> | 双向 | 双向数据总线 | nInReady=0,nInIntQ=0且nLE=0时, DB0~DB8为输入状态; nOutReady=0,nOutIntQ=0且nLE=0时, DB0~DB8为输出状态;其它为高阻态 |
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CN2008101119845A CN101276432B (zh) | 2008-05-20 | 2008-05-20 | 一种存储卡及其实现数字内容保护的方法 |
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CN101276432A CN101276432A (zh) | 2008-10-01 |
CN101276432B true CN101276432B (zh) | 2011-07-20 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101414911B (zh) * | 2008-11-21 | 2011-04-20 | 普天信息技术研究院有限公司 | 一种转移用户证书的方法、系统和移动存储装置 |
CN101883357A (zh) * | 2010-06-22 | 2010-11-10 | 北京握奇数据系统有限公司 | 一种终端与智能卡之间的相互认证方法、装置及系统 |
CN102136082B (zh) * | 2010-12-29 | 2013-01-23 | 上海爱信诺航芯电子科技有限公司 | 一种高速低功耗的安全sd卡 |
CN103258176B (zh) * | 2012-02-20 | 2017-06-30 | 普天信息技术研究院有限公司 | 一种便携式装置 |
CN104169894A (zh) * | 2012-03-09 | 2014-11-26 | 邵通 | 一种实现安全存储区的装置及方法 |
CN103714017B (zh) | 2012-10-09 | 2017-06-30 | 中兴通讯股份有限公司 | 一种认证方法、认证装置及认证设备 |
CN104243151B (zh) * | 2013-06-06 | 2018-02-06 | 中国银联股份有限公司 | 一种基于移动设备的认证方法和认证装置 |
BR112017000727B1 (pt) | 2014-07-15 | 2022-12-20 | Microsoft Technology Licensing, Llc | Método e sistema para intermediação de uma solicitação de acesso a dados |
WO2016015313A1 (zh) * | 2014-07-31 | 2016-02-04 | 宇龙计算机通信科技(深圳)有限公司 | 存储卡的加密方法和加密装置 |
CN107529167A (zh) * | 2016-06-21 | 2017-12-29 | 普天信息技术有限公司 | 一种认证方法 |
CN117354068B (zh) * | 2023-12-06 | 2024-03-01 | 国网浙江省电力有限公司金华供电公司 | 提高分布式能量管理系统通信安全性方法与系统 |
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