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1. 发明专利

JP2007311941A Encrypting device and decoder, and license publishing device 有权
标题翻译：加密设备和解码器以及许可证发布设备
公开(公告)号：JP2007311941A
公开(公告)日：2007-11-29
申请号：JP2006137004
申请日：2006-05-16
申请人： Kddi Corp , Kddi株式会社 , Kyocera Corp , Nippon Hoso Kyokai , 京セラ株式会社 , 日本放送協会
发明人： KIMURA TAKESHI , MAJIMA KEIGO , SUNAZAKI SHUNJI , ISHIKAWA KIYOHIKO , KOKUBU HIDEKI , ISHIKAWA KOICHI , SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , FUKUSHIMA MASARU , YAMANE TAKASHI , GOTO AKIRA
IPC分类号： H04L9/36 , H04L9/08
摘要： PROBLEM TO BE SOLVED: To provide a user with various service modes when contents composed of a plurality of resources are provided by broadcast waves.
SOLUTION: An encrypting device has the encrypter 100 encrypting each resource to be encrypted in contents by each cipher key, storing each encrypted resource in packets, and transmitting them by the broadcast waves and decoding keys fitted in response to each of the resources to be encrypted. The encrypting device further has a license publishing device 2 providing a license containing a license identifier displaying a broadcasting range making the license effective through a communication line, and a decoder 300 decoding encrypted data in the packets received by the broadcast waves by each decoding key in the license received through the communication line.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：当由广播波提供由多个资源构成的内容时，向用户提供各种服务模式。解密方案：加密装置具有加密装置100，通过每个加密密钥加密内容中要加密的每个资源，将每个加密的资源存储在分组中，并通过响应于每个资源的广播波和解码密钥进行发送被加密。加密装置还具有许可证发布装置2，其提供包含显示通过通信线路使许可证有效的广播范围的许可标识符的许可证，解码器300通过每个解码密钥对由广播波接收的分组中的加密数据进行解码通过通信线路收到的许可证。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007311937A Broadcast receiver and display method 有权
标题翻译：广播接收机和显示方法
公开(公告)号：JP2007311937A
公开(公告)日：2007-11-29
申请号：JP2006136984
申请日：2006-05-16
申请人： Kddi Corp , Kddi株式会社 , Kyocera Corp , Nippon Hoso Kyokai , 京セラ株式会社 , 日本放送協会
发明人： FUKUSHIMA MASARU , SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , KIMURA TAKESHI , MAJIMA KEIGO , KOKUBU HIDEKI , OTAKE TAKESHI
IPC分类号： H04L9/08 , H04N7/16 , H04N21/488
摘要： PROBLEM TO BE SOLVED: To provide a technique that urges a user to acquire a key in a timing wherein a time margin sufficiently ensuring a pay program exists and a sufficient time can ensure a key acquisition job so as to provide an opportunity of determining purchase intention to the user thereby allowing the user to smoothly purchase the key and to view the pay program.
SOLUTION: A broadcast receiver (200) is provided with: a broadcast reception means (210); a display means (260D); a storage means (M1) for storing a key to decode stream encrypted data; a program information storage means (M2) for storing program information; a control means (250) that displays video stream of a present program, information of a succeeding program in the program information stored in the program information storage means, key acquisition presence/absence information for decoding a stream of the succeeding program on a display means and controls display of a message of urging the acquisition of a key corresponding to the succeeding program on the display means when the acquisition presence/absence information indicates that no key is acquired; and a key acquisition means (270) for acquiring the key of the succeeding program whose key is displayed unacquired by means of the acquisition presence/absence information.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种技术，其促使用户在其中存在充分确保薪酬计划的时间间隔的时间内获取密钥，并且足够的时间可以确保密钥获取工作，以便提供一个机会确定对用户的购买意图，从而允许用户顺利地购买密钥并查看付费程序。广播接收机（200）具有：广播接收装置（210）; 显示装置（260D）; 存储装置（M1），用于存储解密流加密数据的密钥; 用于存储节目信息的节目信息存储装置（M2）; 显示当前节目的视频流的控制装置（250），存储在节目信息存储装置中的节目信息中的后续节目的信息，用于在显示装置上解码后续节目的流的密钥获取存在/不存在信息并且当所述获取存在/不存在信息指示没有获取密钥时，控制在所述显示装置上显示敦促获取对应于后续程序的密钥的消息; 以及密钥获取装置（270），用于获取通过所述获取有/无信息不被认证的密钥被显示的后续程序的密钥。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007311939A Encrypting device, decoding device, and method of generating content data 有权
标题翻译：加密设备，解码设备以及产生内容数据的方法
公开(公告)号：JP2007311939A
公开(公告)日：2007-11-29
申请号：JP2006137002
申请日：2006-05-16
申请人： Kddi Corp , Kddi株式会社 , Kyocera Corp , Nippon Hoso Kyokai , 京セラ株式会社 , 日本放送協会
发明人： SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , MAJIMA KEIGO , KIMURA TAKESHI , SUNAZAKI SHUNJI , ISHIKAWA KIYOHIKO , KOKUBU HIDEKI , ISHIKAWA KOICHI , FUKUSHIMA MASARU , YAMANE TAKASHI , GOTO AKIRA
IPC分类号： H04L9/18 , H04L9/08 , H04N7/167
摘要： PROBLEM TO BE SOLVED: To reinforce resistance to the loss of transmission data caused by transmission errors or the like in a stream encryption system.
SOLUTION: There are provided: an IV packet inserter 102 for generating an initialization packet for storing an initial value used for initializing a stream cipher algorithm at the initialization interval of the stream cipher algorithm; an encrypter 103 that uses the initial value stored in the initialization packet for initializing the stream cipher algorithm, encrypts streams, and generates an encryption packet for storing the stream cipher data; and a transmitter 104 for transmitting the initialization and encryption packets.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了加强由流加密系统中的传输错误等导致的传输数据丢失的阻力。提供了一种IV分组插入器102，用于在流密码算法的初始化间隔处生成用于存储用于初始化流密码算法的初始值的初始化分组; 使用存储在初始化包中的初始值来初始化流密码算法的加密器103，加密流，并生成用于存储流密码数据的加密包; 以及用于发送初始化和加密分组的发射机104。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007311936A Stream generating method and broadcast receiver 有权
标题翻译：流媒体生成方法和广播接收器
公开(公告)号：JP2007311936A
公开(公告)日：2007-11-29
申请号：JP2006136982
申请日：2006-05-16
申请人： Kddi Corp , Kddi株式会社 , Kyocera Corp , Nippon Hoso Kyokai , 京セラ株式会社 , 日本放送協会
发明人： FUKUSHIMA MASARU , SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , MAJIMA KEIGO , KIMURA TAKESHI , KOKUBU HIDEKI , OTAKE TAKESHI
IPC分类号： H04L9/18 , H04N7/16 , H04N7/167
摘要： PROBLEM TO BE SOLVED: To provide a technology that provides an opportunity of determining a purchasing will of a key to a user in a timing wherein the user surely has a time margin of viewing a pay program and a sufficient time can be ensured for the user for a key acquisition job, thereby allowing the user to smoothly purchase the key and to view the pay program.
SOLUTION: A stream generating method disclosed herein is characterized in that an identifier (id_current) of a key for decrypting stream encrypted data of a present program is stored to initializing packets (IV1-n) for initializing a stream encryption algorithm, the initializing packets are inserted to a stream, and an identifier (id_next) of a key for decrypting stream encrypted data on and after a next program is stored to a prescribed initializing packet (IVn+1) among the initializing packets.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种技术，其提供在用户确定具有观看付费计划的时间余量并且可以确保足够的时间的时间中确定用户的密钥的购买意愿的机会为用户提供密钥获取作业，从而允许用户顺利地购买密钥并查看付费程序。解决方案：本文公开的流生成方法的特征在于，存储用于解密当前节目的流加密数据的密钥的标识符（id_current），以初始化用于初始化流加密算法的分组（IV1-n），将初始化分组插入到流中，并且将用于解密下一个程序之后的流加密数据的密钥的标识符（id_next）存储到初始化分组中的规定的初始化分组（IVn + 1）中。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2008225988A Service providing method, attribute information management device, service providing device, user terminal and programs therefor 有权
标题翻译：服务提供方法，属性信息管理设备，服务提供设备，用户终端及其程序
公开(公告)号：JP2008225988A
公开(公告)日：2008-09-25
申请号：JP2007065035
申请日：2007-03-14
申请人： Kddi Corp , Kddi株式会社 , Nippon Hoso Kyokai , 日本放送協会
发明人： NAKAMURA HARUYUKI , MAJIMA KEIGO , IMAIZUMI HIROYUKI , KIMURA TAKESHI , OTAKE TAKESHI , FUJITA MASAMI , NAKAMURA AKIRA , SHIBATA TATSUO , YOSHIDA KOJI , SUGIE SHUICHI , WATANABE YASUYUKI , KIYOMOTO SHINSAKU
IPC分类号： G06F21/20 , G06F15/00 , H04L9/32
摘要： PROBLEM TO BE SOLVED: To provide a technique capable of keeping an ID assigned to a user by each agent confidential between agents in BtoBtoC business, and specifying the user between agents without providing an exclusive device for forming an ID in a third-party body. SOLUTION: The attribute information management device 2 of a content holder includes a management device user authentication means 154 which authenticates a user based on a management device user ID associated with user attribute information stored in a user information storage means 114; an linkage ID storage means 161 which associates a linkage ID showing an ID for an ISP to link with the content holder to the user with the management device user ID; an inquiry message receiving means 173 which receives an inquiry message from a service providing device 4 together with the linkage ID; a providing propriety determination means 159 which determines the propriety of providing a service based on the user attribute information specified by the received linkage ID; and an answer message transmitting means 174 which transmits the determination result to the service providing device 4. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够将每个代理人分配给用户的ID保存在BtoBtoC业务中的代理之间的技术，并且在不提供用于在第三方的ID中形成ID的专用设备的情况下指定代理之间的用户，党的身体。解决方案：内容持有者的属性信息管理装置2包括管理装置用户认证装置154，其基于与存储在用户信息存储装置114中的用户属性信息相关联的管理装置用户ID来认证用户; 链接ID存储装置161，其利用管理装置用户ID将表示ISP的ID的链接ID与内容持有者相关联给用户; 查询消息接收装置173，其与服务提供装置4一起从连接ID接收查询消息; 提供合规确定装置159，其基于由所接收的链接ID指定的用户属性信息来确定提供服务的适当性; 以及将确定结果发送给服务提供装置4的应答消息发送装置174。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007311940A Encrypting device and decoding device 审中-公开
标题翻译：加密设备和解码设备
公开(公告)号：JP2007311940A
公开(公告)日：2007-11-29
申请号：JP2006137003
申请日：2006-05-16
申请人： Kddi Corp , Kddi株式会社 , Nippon Hoso Kyokai , 日本放送協会
发明人： SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , MAJIMA KEIGO , KIMURA TAKESHI , SUNAZAKI SHUNJI , ISHIKAWA KIYOHIKO , KOKUBU HIDEKI , ISHIKAWA KOICHI
IPC分类号： H04L9/18 , H04L9/36
摘要： PROBLEM TO BE SOLVED: To reinforce resistance to the loss of transmission data caused by transmission errors or the like in a stream encryption system. SOLUTION: There are provided: an encrypter 103 that generates an initial value used for initializing a stream cipher algorithm from the data of a first encryption packet, uses the generated initial value to initialize the stream cipher algorithm for the encryption of stream, and generates a second encryption packet for storing stream cipher data; and a transmitter 104 for transmitting the encryption packet. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了加强由流加密系统中的传输错误等导致的传输数据丢失的阻力。提供：提供：加密器103，其从第一加密分组的数据生成用于初始化流密码算法的初始值，使用所生成的初始值来初始化流加密的流密码算法，并生成用于存储流密码数据的第二加密分组; 以及用于发送加密分组的发射机104。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2007311938A Address generating method and broadcast receiver 有权
标题翻译：地址生成方法和广播接收器
公开(公告)号：JP2007311938A
公开(公告)日：2007-11-29
申请号：JP2006136986
申请日：2006-05-16
申请人： Kddi Corp , Kddi株式会社 , Kyocera Corp , 京セラ株式会社
发明人： FUKUSHIMA MASARU , SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO
IPC分类号： H04N7/167 , H04B1/16 , H04H20/93 , H04H60/15 , H04H60/23 , H04H60/72 , H04H60/82 , H04N7/173 , H04N21/266 , H04N21/4405 , H04N21/64
CPC分类号： H04N7/17309 , H04N7/1675 , H04N21/4367 , H04N21/4405 , H04N21/4622 , H04N21/4623 , H04N21/4782 , H04N2007/1739
摘要： PROBLEM TO BE SOLVED: To provide a broadcast receiver that can directly access an acquisition destination on a network for providing a key to decrypt a desired encrypted broadcast program broadcast in digital broadcasting so as to reduce the communication cost and enhance the probability whereby the program can be viewed from the beginning even when a margin up to a start time of the desired broadcast program is comparatively small.
SOLUTION: The broadcast receiver includes: broadcast receiving means (1, 4 to 13) for receiving the digital broadcasting; communication means (1 to 3) for executing two-way communication via a network; an operating means 15 for executing acquisition operations of the key for decrypting the encrypted broadcast program received by the broadcast receiving means; and an address generating means 16 for generating an address of the acquisition destination of the key accessed by the communication means by using program arrangement information corresponding to the broadcast program on the basis of the acquisition operations of the key by the operating means 15.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种广播接收机，其可以直接访问网络上的获取目的地，以提供密钥来解密在数字广播中广播的期望的加密广播节目，以便降低通信成本并提高可能性即使当期望的广播节目的开始时间的余量相对较小时，也可以从头开始观看节目。解决方案：广播接收机包括：用于接收数字广播的广播接收装置（1,4至13）; 用于经由网络执行双向通信的通信装置（1至3）; 用于执行用于解密由广播接收装置接收的加密广播节目的密钥的获取操作的操作装置15; 以及地址发生装置16，用于根据由操作装置15的键的获取操作，通过使用与广播节目相对应的节目排列信息，生成由通信装置访问的密钥的获取目的地的地址。
版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2012029321A Transmitter and receiver 有权
标题翻译：发射机和接收机
公开(公告)号：JP2012029321A
公开(公告)日：2012-02-09
申请号：JP2011208017
申请日：2011-09-22
申请人： Kddi Corp , Kddi株式会社
发明人： SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO
IPC分类号： H04L9/08 , H04L9/20 , H04N7/167
摘要： PROBLEM TO BE SOLVED: To make an alternation to a conventional CAS and turn it into a stream encryption system.SOLUTION: A transmitter which is a conditional access system in digital broadcasting using a broadcast wave or a communication line, comprises: a stream encryption unit 11 for initializing stream encryption algorithm by using a work key which is used as an initial value in initialization of the stream encryption algorithm, and performing stream encryption by using a scramble key for a content; an encryption unit 12 for encrypting the scramble key by using the work key; an encryption unit 13 for encrypting the work key by using a master key which is common to the transmitter and a receiver; and transmission means for transmitting each of stream encryption data performed the stream encryption by the stream encryption means, encryption data of the scramble key, and encryption data of the work key via a broadcasting wave or a communication line.
摘要翻译：要解决的问题：与常规CAS进行交替，并将其转换为流加密系统。解决方案：作为使用广播波或通信线路的数字广播中的条件访问系统的发送器，包括：流加密单元11，用于通过使用用作初始值的工作密钥来初始化流加密算法流加密算法的初始化，以及通过使用用于内容的加扰密钥来执行流加密; 加密单元12，用于通过使用工作密钥加密加密密钥; 加密单元13，用于通过使用发射机和接收机公共的主密钥来加密工作密钥; 以及发送装置，用于通过流加密装置发送进行流加密的每个流加密数据，加扰密钥的加密数据和工作密钥的加密数据经由广播波或通信线路。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012054945A Transmitter and receiver 审中-公开
标题翻译：发射机和接收机
公开(公告)号：JP2012054945A
公开(公告)日：2012-03-15
申请号：JP2011208016
申请日：2011-09-22
申请人： Kddi Corp , Kddi株式会社
发明人： SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO
IPC分类号： H04L9/08 , H04L9/16 , H04L9/20 , H04N7/167
摘要： PROBLEM TO BE SOLVED: To provide a transmitter and a receiver capable of easily changing a content to a stream encryption system on the basis of a conventional Conditional Access System (CAS).SOLUTION: A transmitter using a conditional access system for digital broadcasting using a broadcast wave or a communication line, includes: a stream encryption section 11 for setting a fixed value as an initial value used for initialization of a stream encryption algorithm, initializing the stream encryption algorithm by using the initial value, and performing stream encryption for a content by using a scramble key; a first encryption section 12 for encrypting the initial value and the scramble key by using a work key; a second encryption section 13 for encrypting the work key by using a master key common between the transmitter and a receiver; and transmitting means for transmitting stream encrypted data obtained by performing the stream encryption by the stream encryption section, encrypted data of the initial value, encrypted data of the scramble key, and encrypted data of the work key by using the broadcast wave or the communication line.
摘要翻译：要解决的问题：提供能够根据传统的条件访问系统（CAS）容易地将内容改变为流加密系统的发送器和接收器。解决方案：使用广播波或通信线路进行数字广播的条件访问系统的发射机包括：流加密部分11，用于将固定值设置为用于流加密算法的初始化的初始值，初始化通过使用初始值的流加密算法，以及通过使用加扰密钥对内容执行流加密; 第一加密部分12，用于通过使用工作密钥来加密初始值和加扰密钥; 第二加密部分13，用于通过使用发射机和接收机之间共同的主密钥来加密工作密钥; 以及发送装置，用于通过使用广播波或通信线路来发送通过由流加密部分执行流加密获得的流加密数据，初始值的加密数据，加密密钥的加密数据和加密密钥数据。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2008072198A Transmitter and receiver 有权
标题翻译：发射机和接收机
公开(公告)号：JP2008072198A
公开(公告)日：2008-03-27
申请号：JP2006246821
申请日：2006-09-12
申请人： Kddi Corp , Kddi株式会社
发明人： SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO
IPC分类号： H04L9/08 , H04L9/20 , H04N7/167 , H04N21/238
摘要： PROBLEM TO BE SOLVED: To easily change a cipher system to a stream encryption system based on a conventional CAS.
SOLUTION: A transmitter includes: a stream encryption section 11 which provides a value corresponding to a scramble key as an initial value (IV) used to initialize a stream encryption algorithm, initializes the stream encryption algorithm by using the initial key, and performs stream ciphering by using a work key; an encryption section 12 which encrypts the initial value by using the work key (Kw); an encryption section 13 which encrypts the work key (Kw) by using a master key (Km); and a transmission means for transmitting stream encrypted data, encrypted data of the initial value, and encrypted data of the work key with a broadcast wave.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了容易地将密码系统改变为基于常规CAS的流加密系统。发射机包括：流加密部分11，其提供与加扰密钥对应的值作为用于初始化流加密算法的初始值（IV），通过使用初始密钥初始化流加密算法;以及通过使用工作键执行流加密; 加密部分12，通过使用工作密钥（Kw）加密初始值; 加密部分13，其通过使用主密钥（Km）加密工作密钥（Kw）; 以及用广播波发送流加密数据，初始值的加密数据和工作密钥的加密数据的发送装置。版权所有（C）2008，JPO＆INPIT

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