基本信息:
- 专利标题: 콘텐츠 재생 시스템
- 专利标题(英):Content reproduction system
- 专利标题(中):内容再现系统
- 申请号:KR1020067003296 申请日:2004-08-19
- 公开(公告)号:KR1020060066099A 公开(公告)日:2006-06-15
- 发明人: 야마미치마사토사망 , 야마미치마사미사망자의상속인 , 오모리모토지 , 야마모토마사야 , 와타나베가즈히사 , 사소아츠시 , 야마모토나오아키
- 申请人: 파나소닉 주식회사
- 申请人地址: ****, Oaza Kadoma, Kadoma-shi, Osaka, Japan
- 专利权人: 파나소닉 주식회사
- 当前专利权人: 파나소닉 주식회사
- 当前专利权人地址: ****, Oaza Kadoma, Kadoma-shi, Osaka, Japan
- 代理人: 김영철
- 优先权: JPJP-P-2003-00296001 2003-08-20
- 国际申请: PCT/JP2004/012226 2004-08-19
- 国际公布: WO2005020540 2005-03-03
- 主分类号: G06F21/00
- IPC分类号: G06F21/00 ; H04L29/06 ; G11B20/00
摘要:
A content reproduction system that allow the user to rent or purchase any desired contents for reproduction without depending on a predetermined type of information of the user. The content reproduction system includes: a recording medium storing a license ticket including an encrypted master key; and a reproduction apparatus that receives from the user a request for a selected content and the information of the selected content, acquires distribution content information corresponding to the selected content, stores it in association with the license ticket into the recording medium. When reproducing the content, the reproduction apparatus generates a content using an encrypted content decryption key and an encrypted content that are contained in the distribution content information, and using a master decryption key information corresponding to the distribution content information, and reproduces the generated content.
摘要(中):
一种内容再现系统,其允许用户在不依赖于用户的预定类型的信息的情况下租用或购买任何期望的内容进行再现。 内容再现系统包括:存储包括加密主密钥的许可证的记录介质; 以及从用户接收对所选内容的请求和所选内容的信息的再现装置,获取与所选内容相对应的分发内容信息,将其与许可证相关联地存储到记录介质中。 当再现内容时,再现设备使用包含在分发内容信息中的加密内容解密密钥和加密内容来生成内容,并且使用与分发内容信息相对应的主解密密钥信息,并再现所生成的内容。