CN101174941B - 一种移动终端文件离线数字版权保护方法及装置 - Google Patents
一种移动终端文件离线数字版权保护方法及装置 Download PDFInfo
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- CN101174941B CN101174941B CN2006101141854A CN200610114185A CN101174941B CN 101174941 B CN101174941 B CN 101174941B CN 2006101141854 A CN2006101141854 A CN 2006101141854A CN 200610114185 A CN200610114185 A CN 200610114185A CN 101174941 B CN101174941 B CN 101174941B
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CN2006101141854A CN101174941B (zh) | 2006-11-01 | 2006-11-01 | 一种移动终端文件离线数字版权保护方法及装置 |
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CN2006101141854A CN101174941B (zh) | 2006-11-01 | 2006-11-01 | 一种移动终端文件离线数字版权保护方法及装置 |
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CN101174941A CN101174941A (zh) | 2008-05-07 |
CN101174941B true CN101174941B (zh) | 2012-07-04 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101989321A (zh) * | 2010-11-05 | 2011-03-23 | 上海传知信息科技发展有限公司 | 电子书离线阅读版权保护***及方法 |
US20140067676A1 (en) * | 2012-09-04 | 2014-03-06 | Microsoft Corporation | Management of digital receipts |
CN103258167A (zh) * | 2013-05-10 | 2013-08-21 | 广州杰赛科技股份有限公司 | 一种手持设备中png图片保护方法 |
CN105095784A (zh) * | 2014-05-21 | 2015-11-25 | 中兴通讯股份有限公司 | 终端数据写入、读取的方法及装置 |
CN105426701B (zh) * | 2014-09-23 | 2018-05-18 | 北大方正集团有限公司 | 电子书加密和离线阅读方法及装置、电子书版权保护*** |
CN105516056B (zh) * | 2014-09-24 | 2018-10-26 | 腾泰科技股份有限公司 | 加密文件保护***及其保护方法 |
CN107306254B (zh) * | 2016-04-21 | 2021-06-18 | 北京印刷学院 | 基于双层加密的数字版权保护方法及*** |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1525682A (zh) * | 2003-02-25 | 2004-09-01 | 在数字权限管理***中离线发布发行者使用许可证 |
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CN1525682A (zh) * | 2003-02-25 | 2004-09-01 | 在数字权限管理***中离线发布发行者使用许可证 |
Non-Patent Citations (4)
Title |
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周勇刚,吴丽.数字版权管理.记录媒体技术 4.2006,(4),26-29. |
周勇刚,吴丽.数字版权管理.记录媒体技术 4.2006,(4),26-29. * |
张蒲生,方德葵.数字版权保护模型与基于机器指纹的版权控制技术.网络安全技术与应用 7.2003,(7),44-48. |
张蒲生,方德葵.数字版权保护模型与基于机器指纹的版权控制技术.网络安全技术与应用 7.2003,(7),44-48. * |
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