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    • 12. 发明授权
    • 사용자단말의 콘텐츠 접근 제어에 따른 콘텐츠 분배 방법 및 시스템
    • 目录根据用户终端访问控制的分配方法和系统
    • KR101423955B1
    • 2014-08-01
    • KR1020130075344
    • 2013-06-28
    • 고려대학교 산학협력단
    • 이동훈김효승박승환박종환
    • H04N21/6334H04N21/2347H04N21/4623
    • H04N21/26613H04N21/2347
    • The present invention relates to a method and a system to distribute content under the content access control of a user terminal and, more specifically, to a method and a system to distribute content under the content access control of a user terminal. The method comprises the steps of: allowing a key creating server to create a generator and any element belonging to a bilinear group, and to apply the created generator and element to a bilinear function to create a public parameter; allowing the key creating server to receive a set of access structures accessing content from a user terminal, and create an access rights secret key indicating whether it is possible to access the content, based on the set of access structures; allowing a content providing server to receive the public parameter from the key creating server, to encode the content, based on the received public parameter to create content cyphertext, and to transmit the created content cyphertext to the user terminal; and allowing the user terminal to receive the access rights secret key from the key creating server and decode the content cyphertext received from the content providing server, based on the received access rights secret key to access the content. By the above configuration, the method and the system to distribute content under the content access control of a user terminal can allow the user terminal to receive the content or whether it is possible to access the content more efficiently by encoding the access rights secret key indicating whether it is possible to access the content together with the content.
    • 本发明涉及在用户终端的内容访问控制下分发内容的方法和系统,更具体地,涉及在用户终端的内容访问控制下分发内容的方法和系统。 该方法包括以下步骤:允许密钥创建服务器创建生成器和属于双线性组的任何元素,并将创建的生成器和元素应用于双线性函数以创建公共参数; 允许密钥创建服务器接收从用户终端访问内容的一组访问结构,并且基于该组访问结构创建指示是否可能访问内容的访问权限秘密密钥; 允许内容提供服务器从密钥创建服务器接收公共参数,基于接收到的公共参数对内容进行编码以创建内容密文,并将创建的内容密文传送到用户终端; 并且允许用户终端从密钥创建服务器接收访问权限秘密密钥,并且基于接收到的访问内容的访问权限秘密密钥来解码从内容提供服务器接收到的内容密文。 通过上述配置,在用户终端的内容访问控制下分发内容的方法和系统可以允许用户终端接收内容,或者是否可以通过对指示的用户终端的访问权限密钥进行编码来更有效地访问内容 是否可以与内容一起访问内容。
    • 14. 发明公开
    • 서비스 처리 방법, 이를 위한 영상 표시 기기 및 컴퓨터 판독 가능한 저장 매체
    • 处理服务的方法,视频设备和计算机可读记录介质
    • KR1020120134243A
    • 2012-12-12
    • KR1020110053024
    • 2011-06-01
    • 엘지전자 주식회사
    • 이호재
    • H04N21/4623H04N21/633
    • H04N21/4302H04N7/173H04N21/433H04N21/472H04N21/633
    • PURPOSE: A service processing method, an image displaying device, and a readable computer storing medium are provided to transmit or store individual data generated in an executing account service to a mobile terminal which is not the image displaying device and is registered in one account. CONSTITUTION: When a user logs in one account on an image displaying device, a controlling unit(170) executes an account service. The controlling unit generates individual data during execution of the account service. A network interface unit(105) is connected to a mobile terminal which the one account is registered. The controlling unit stores the individual data in the mobile terminal. A storing unit(140) stores the individual data. [Reference numerals] (105) Network interface unit; (135) External device interface unit; (140) Storing unit; (150) User interface unit; (170) Controlling unit; (180) Display unit; (185) Audio output unit; (AA) Network
    • 目的:提供一种服务处理方法,图像显示装置和可读计算机存储介质,以将在执行帐户服务中生成的个人数据传送或存储到不是图像显示装置的移动终端并且登记在一个帐户中。 构成:当用户在图像显示装置上登录一个帐户时,控制单元(170)执行帐户服务。 控制单元在执行帐户服务期间生成单个数据。 网络接口单元(105)连接到一个帐户被注册的移动终端。 控制单元将各个数据存储在移动终端中。 存储单元(140)存储各个数据。 (附图标记)(105)网络接口单元; (135)外部设备接口单元; (140)存储单元; (150)用户界面单元; (170)控制单元; (180)显示单元; (185)音频输出单元; (AA)网络
    • 16. 发明公开
    • 공동 비밀 컨텐츠 서비스 시스템, 그의 공동 비밀 컨텐츠 서비스 방법 및 이를 적용한 단말 장치
    • 安全目录共享服务系统,共享安全内容的方法和设备
    • KR1020120044624A
    • 2012-05-08
    • KR1020100106015
    • 2010-10-28
    • 에스케이플래닛 주식회사
    • 박환수김현호심규대박준석
    • G06F21/10H04N21/4623H04N21/4627
    • G06F21/10H04N21/4623H04N21/4627
    • PURPOSE: A shared secret content service system and a method thereof, and a terminal using the system are provided to distribute/set secret codes for shared secret content to/in at least two terminal devices and collect/combine the distributed secret codes, thereby enabling users of terminal devices to share the secret content. CONSTITUTION: A communication interface unit(210) transmits and receives data to and from terminal devices. A control unit(220) generates secret codes about content that the terminal devices share by a service request and distributes the secret codes to the terminal devices. A storage unit(230) stores content and at least one secret code which is generated for each content. The control unit collects and combines the distributed secret codes to determine whether to reproduce the content by a user.
    • 目的:提供一种共享秘密内容服务系统及其方法以及使用该系统的终端,以便在至少两个终端设备中/在至少两个终端设备中分配/设置用于共享秘密内容的秘密码,并收集/组合分发密码,由此启用 终端设备的用户共享秘密内容。 构成:通信接口单元(210)向终端设备发送数据和从终端设备接收数据。 控制单元(220)生成关于终端设备通过服务请求共享的内容的密码,并将密码分发给终端设备。 存储单元(230)存储针对每个内容生成的内容和至少一个密码。 控制单元收集并组合分布式密码,以确定是否由用户再现内容。