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1. 发明申请

WO2007132895A8 ENCRYPTION DEVICE, DECRYPTION DEVICE, LICENSE ISSUING DEVICE, AND CONTENT DATA GENERATION METHOD 审中-公开
标题翻译：加密设备，分解设备，许可证发布设备和内容数据生成方法
公开(公告)号：WO2007132895A8
公开(公告)日：2008-07-31
申请号：PCT/JP2007060060
申请日：2007-05-16
申请人： KDDI CORP , JAPAN BROADCASTING CORP , KYOCERA CORP , SUGIE SHUUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , MAJIMA KEIGO , KIMURA TAKESHI , SUNASAKI SHUNJI , ISHIKAWA KIYOHIKO , KOKUBUN HIDEKI , ISHIKAWA KOICHI , FUKUSHIMA MASARU , YAMANE TAKESHI , GOTO RYO
发明人： SUGIE SHUUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , MAJIMA KEIGO , KIMURA TAKESHI , SUNASAKI SHUNJI , ISHIKAWA KIYOHIKO , KOKUBUN HIDEKI , ISHIKAWA KOICHI , FUKUSHIMA MASARU , YAMANE TAKESHI , GOTO RYO
IPC分类号： H04L9/08 , H04L9/18 , H04N7/167
CPC分类号： H04L9/065 , H04L2209/12 , H04L2209/601 , H04N7/1675 , H04N21/4341 , H04N21/43853
摘要： A plurality of resources such as an image, audio, and data broadcast contained in a content are separately stream-encrypted. A reception side separates the encrypted streams for each of resources and acquires an initialization packet in the encrypted streams. According to the initialization packet, a decryption algorithm is initialized and a decryption key is acquired for decrypting the respective resources.
摘要翻译：包含在内容中的诸如图像，音频和数据广播的多个资源被单独流加密。接收侧将每个资源的加密流分离，并获取加密流中的初始化包。根据该初始化包，对解密算法进行初始化，获取解密密钥，对各资源进行解密。

2. 发明申请

WO2007132840A8 STREAM GENERATION METHOD, BROADCAST RECEPTION DEVICE, AND DISPLAY METHOD 审中-公开
标题翻译：流媒体生成方法，广播接收装置和显示方法
公开(公告)号：WO2007132840A8
公开(公告)日：2008-12-18
申请号：PCT/JP2007059943
申请日：2007-05-15
申请人： KYOCERA CORP , KDDI CORP , JAPAN BROADCASTING CORP , FUKUSHIMA MASARU , SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , MAJIMA KEIGO , KIMURA TAKESHI , KOKUBUN HIDEKI , OHTAKE GO
发明人： FUKUSHIMA MASARU , SUGIE SHUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , MAJIMA KEIGO , KIMURA TAKESHI , KOKUBUN HIDEKI , OHTAKE GO
IPC分类号： H04L9/18 , H04N7/167
CPC分类号： H04L9/065 , H04L2209/56 , H04L2209/601 , H04L2209/80 , H04N7/1675 , H04N21/41407 , H04N21/4405 , H04N21/63345
摘要： Provided is a system which receives an initialization packet containing an initialization vector for initializing a stream encryption algorithm and an identifier of a key for decrypting the encrypted stream, initializes the decrypted module, and decrypts the encrypted stream. An identifier of a key required for decrypting the next program is contained in the initialization packet in the current program so that whether a desired key has been acquired is presented to a viewer when the view time is approaching.
摘要翻译：提供了一种接收包含用于初始化流加密算法的初始化向量和用于解密加密流的密钥的标识符的初始化分组的系统，初始化解密的模块并对加密的流进行解密。在当前程序的初始化包中包含用于解密下一个节目所需的密钥的标识符，使得当观看时间接近时，是否已经获取期望的密钥被呈现给观看者。

3. 发明专利

BRPI0711650A2 未知
公开(公告)号：BRPI0711650A2
公开(公告)日：2011-11-29
申请号：BRPI0711650
申请日：2007-05-16
申请人： KDDI CORP , JAPAN BROADCASTING CORP , KYOCERA CORP
发明人： SUGIE SHUUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , MAJIMA KEIGO , KIMURA TAKESHI , SUNASAKI SHUNJI , ISHIKAWA KIYOHIKO , KOKUBUN HIDEKI , ISHIKAWA KOICHI , FUKUSHIMA MASARU , YAMANE TAKESHI , GOTO RYO
IPC分类号： H04L9/08 , H04L9/18 , H04N7/167
摘要： In order to provide various service types to the users in a case of supplying the contents constituted from multiple resources via broadcast, the following apparatuses are provided. An encryption apparatus (100) encrypts the resources-to-be-encrypted of the contents, stores the encrypted resources in the packets and transmits the packets via broadcast. An encryption portion which encrypts each of contents constituted from multiple resources by applying a corresponding encryption key and generates and transmits packets that store encrypted data or non-encrypted data of the resources. A licensing apparatus (2) providing a license via communication network while the license includes both a license identifier which indicates a broadcast range in which the license is effective and the decryption key provided in correspondence with each of resources-to-be-encrypted. A decryption apparatus (300), by using the corresponding decryption key included in the license received via communications lines, decrypts the encrypted data of the packets received via broadcast.

4. 发明专利

BRPI0712100A2 未知
公开(公告)号：BRPI0712100A2
公开(公告)日：2012-01-17
申请号：BRPI0712100
申请日：2007-05-15
申请人： KYOCERA CORP , KDDI CORP , JAPAN BROADCASTING CORP
发明人： FUKUSHIMA MASARU , SUGIE SHUUICHI , KIYOMOTO SHINSAKU , SHIBATA TATSUO , MAJIMA KEIGO , KIMURA TAKESHI , KOKUBUN HIDEKI , OHTAKE GO
IPC分类号： H04L9/18 , H04N7/167
摘要： Provided is a system far receiving a initialization packet containing an initial vector for initializing stream encryption algorithm and an identifier of a key for decrypting an encrypted stream, initializing a decryption module, and decrypting the encrypted stream, wherein the system stores an identifier of a key which is needed to decrypt a next program in a initialization packet of a current program and informs a user of whether a desired key has been acquired or not at timing close to start time of the next program.

5. 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

6. 发明专利

JP2009081658A Signature verifying method and receiver 有权
标题翻译：签名验证方法和接收方
公开(公告)号：JP2009081658A
公开(公告)日：2009-04-16
申请号：JP2007249394
申请日：2007-09-26
申请人： Kddi Corp , Kddi株式会社 , Kyocera Corp , 京セラ株式会社
发明人： FUKUSHIMA MASARU , KIYOMOTO SHINSAKU , KURIHARA ATSUSHI , TANAKA TOSHIAKI , YOSHIDA KOJI
IPC分类号： H04L9/32
摘要： PROBLEM TO BE SOLVED: To provide a signature verification technique with improved usability which can authenticate that there is a high possibility that an illegal wave is received even though a signature can not be verified.
SOLUTION: The receiver (100) includes a receiving part (110) for receiving a transport stream with a signature and a verification packet for verifying the signature, a generating part (120) for generating a hash value from a transport stream packet, a collation part (142) for collating a hash value included in the next verification packet of the verification packet with the hash value generated by the generating part, and a verifying part (144) for verifying a section from the verification packet to the next verification packet, wherein the verifying part (144) determines the section to be unverifiable when the next verification packet can not be received even though a prescribed time elapses after the reception of the verification packet.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有改进的可用性的签名验证技术，其可以认证即使签名不能被验证也可能接收非法波的可能性很高。解决方案：接收机（100）包括用于接收具有签名的传输流和用于验证签名的验证分组的接收部分（110），用于从传输流分组生成哈希值的生成部分（120），用于将验证分组的下一个验证分组中包括的散列值与由生成部分生成的散列值进行对照的核对部分（142），以及用于验证从验证分组到下一个部分的验证部分（144）验证分组，其中，即使在接收到验证分组之后经过了规定时间，当验证分组不能被接收时，验证部分（144）确定该部分是不可验证的。版权所有（C）2009，JPO＆INPIT

7. 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

8. 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

9. 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

10. 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

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