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1. 发明专利

JP2014106690A Terminal equipment, server, content distribution system, content distribution method and program 审中-公开
标题翻译：终端设备，服务器，内容分发系统，内容分发方法和程序
公开(公告)号：JP2014106690A
公开(公告)日：2014-06-09
申请号：JP2012258537
申请日：2012-11-27
申请人： Kddi Corp , Kddi株式会社
发明人： TAKEMORI KEISUKE , KUBOTA AYUMI , MATSUI TOSHIKI , WATANABE TATSU , TANAKA TOSHIAKI
IPC分类号： G06Q30/02 , G06F13/00 , H04N7/173
摘要： PROBLEM TO BE SOLVED: To make it more difficult to track the behavior of terminal equipment.SOLUTION: A content processing part 101 generates unique information whose content becomes unique each time it is generated by using identification information for identifying the user of terminal equipment 1. A communication part 100 stores the identification information and content selection information to be used for the selection of content to be provided to the user in association, and communicates with a server which distributes content selected on the basis of the content selection information, and transmits to the server a content distribution request including the unique information, and receives from the server the content selected on the basis of the content selection information corresponding to the identification information generated from the unique information in the server.
摘要翻译：要解决的问题：使追踪终端设备的行为变得更加困难。解决方案：内容处理部分101通过使用用于识别终端设备1的用户的识别信息来生成每个内容变得唯一的唯一信息。通信部100将要用于选择要提供给用户的内容的标识信息和内容选择信息存储在关联中，并且与分发基于内容选择信息选择的内容的服务器进行通信，并且发送到所述服务器包括所述唯一信息的内容分发请求，并且从所述服务器接收根据与从所述服务器中的唯一信息生成的识别信息相对应的内容选择信息而选择的内容。

2. 发明专利

JP2012234477A Account generation management device, account generation management method, and account generation management program 审中-公开
标题翻译：账户生成管理设备，账户生成管理方法和账户生成管理程序
公开(公告)号：JP2012234477A
公开(公告)日：2012-11-29
申请号：JP2011104316
申请日：2011-05-09
申请人： Kddi Corp , Kddi株式会社
发明人： WATANABE TATSU , TANAKA TOSHIAKI , MIYAKE MASARU
IPC分类号： G06F21/20 , G09C1/00 , H04L9/32
摘要： PROBLEM TO BE SOLVED: To provide an account generation management device, an account generation management method, and an account generation management program which can realize blind signature services managing the propriety of generating a new account for a single user.SOLUTION: An account generation management device comprises: a storage unit 12 for storing management data indicating whether to permit generating a new account; a generation request reception unit 111 for receiving encryption data in which a generation request message is encrypted by a blind function, from a user terminal 2; a signing processing unit 112 which performs signing by a secret key on the encryption data when the management data indicates that the generation of a new account is permitted, and does not perform signing on the encryption data when the management data indicates that the generation of a new account is not permitted; and a transmission unit 113 for transmitting first signed signature data to the user terminal 2.
摘要翻译：要解决的问题：提供可以实现管理为单个用户生成新账户的适当性的盲签名服务的账户生成管理装置，账户生成管理方法和账户生成管理程序。解决方案：帐户生成管理装置包括：存储单元12，用于存储指示是否允许生成新帐号的管理数据; 生成请求接收单元111，用于从用户终端2接收通过盲目功能来加密生成请求消息的加密数据; 签名处理单元112，当管理数据指示允许新帐号的生成时，通过秘密密钥对加密数据进行签名，并且当管理数据指示生成新的帐号时，不对加密数据执行签名新帐户不允许; 以及用于将第一签名签名数据发送给用户终端2的发送单元113.版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012175634A Aggregate signature system, verification system, aggregate signature method, and aggregate signature program 审中-公开
标题翻译：聚合签名系统，验证系统，聚合签名方法和聚合签名程序
公开(公告)号：JP2012175634A
公开(公告)日：2012-09-10
申请号：JP2011038387
申请日：2011-02-24
申请人： Kddi Corp , Kddi株式会社
发明人： INAMURA KATSUKI , TANAKA TOSHIAKI
IPC分类号： H04L9/32 , G09C1/00
摘要： PROBLEM TO BE SOLVED: To provide an aggregate signature system, a verification system, an aggregate signature method, and an aggregate signature program that suppress a signature size to a constant value even when persons who sign increase in number, and achieve a sequenced electronic signature through efficient arithmetic processing.SOLUTION: In the aggregate signature system, each node performs operation on a hash value obtained from a message of the node right before it and a hash value obtained from a message of the node itself with a signature key assigned to the node itself, and generates signature information of itself using signature information generated by the node right before it.
摘要翻译：要解决的问题：提供一种聚合签名系统，验证系统，聚合签名方法和聚合签名程序，即使签署数量增加的人也能够将签名大小抑制成恒定值，并且实现通过有效的算术处理来排序电子签名。解决方案：在聚合签名系统中，每个节点对从之前的节点的消息获得的散列值和从节点本身的消息获得的散列值执行操作，其中分配有节点本身的签名密钥，并且使用在其之前由节点生成的签名信息来生成自身的签名信息。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012060619A Key exchange system, key exchange method and key exchange program 有权
标题翻译：关键交换系统，密钥交换方法和密钥交换程序
公开(公告)号：JP2012060619A
公开(公告)日：2012-03-22
申请号：JP2010204932
申请日：2010-09-13
申请人： Kddi Corp , Kddi株式会社
发明人： INAMURA KATSUKI , TANAKA TOSHIAKI
IPC分类号： H04L9/08
摘要： PROBLEM TO BE SOLVED: To provide a key exchange system, a key exchange method and a key exchange program for easy quadripartite key exchange.SOLUTION: In a key exchange system 1, each terminal 10 includes: a secret information selection part 111 for selecting secret information comprising a natural number; a primary public information generation part 112 for performing an arithmetic operation by the secret information to a public element belonging to a GDH group to generate primary public information; a primary public information transmission part 113 for transmitting the generated primary public information to the other terminals; a primary public information reception part 114 for receiving the primary public information; a secondary public information generation part 115 for performing an arithmetic operation by the secret information to the received primary public information to generate secondary public information; a secondary public information transmission part 116 for transmitting the generated secondary public information to the other terminals; a secondary public information reception part 117 for receiving the secondary public information; and a common key generation part 118 for generating a common key on the basis of the generated or received secondary public information and the secret information.
摘要翻译：要解决的问题：提供密钥交换系统，密钥交换方法和密钥交换程序，方便四方密钥交换。解决方案：在密钥交换系统1中，每个终端10包括：秘密信息选择部分111，用于选择包括自然数的秘密信息; 主要公开信息生成部分112，用于通过秘密信息对属于GDH组的公共元素执行算术运算以产生主要公共信息; 用于将生成的主要公共信息发送到其他终端的主要公共信息发送部分113; 用于接收主要公共信息的主要公共信息接收部分114; 二次公开信息生成部115，用于通过秘密信息对接收的主要公开信息进行算术运算，生成二次公开信息; 将所生成的二次公开信息发送给其他终端的二次公开信息发送部116; 用于接收次要公共信息的次级公共信息接收部分117; 以及公共密钥生成部分118，用于基于生成或接收到的次要公共信息和秘密信息来生成公共密钥。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012054859A Perturbation apparatus, and perturbation method and program 审中-公开
标题翻译： PERTURBATION APPARATUS和PERTURBATION方法和程序
公开(公告)号：JP2012054859A
公开(公告)日：2012-03-15
申请号：JP2010197535
申请日：2010-09-03
申请人： Kddi Corp , Kddi株式会社
发明人： KIYOMOTO SHINSAKU , TANAKA TOSHIAKI
IPC分类号： H04K1/02
摘要： PROBLEM TO BE SOLVED: To restrain a deviation of statistical data by allowing a deviation of information in a time base.SOLUTION: A perturbation apparatus includes input means that inputs transmission data; perturbation means that adds noise to transmission data; transmission means that transmits the data with the added noise; extraction means that extracts noise information from the data with the noise; and feedback means that feeds back the extracted noise information to the perturbation means for the perturbation of the next data.
摘要翻译：要解决的问题：通过允许时基中的信息偏差来限制统计数据的偏差。扰动装置包括输入装置，输入传输数据; 扰动意味着对传输数据增加噪声; 传输装置，发送附加噪声的数据; 提取意味着从噪声信息中提取噪声信息; 并且反馈意味着将所提取的噪声信息反馈到用于扰动下一个数据的扰动装置。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2012049851A Hash value generating device, hash value generating method and program 审中-公开
标题翻译： HASH值生成装置，HASH值生成方法和程序
公开(公告)号：JP2012049851A
公开(公告)日：2012-03-08
申请号：JP2010190489
申请日：2010-08-27
申请人： Kddi Corp , Kddi株式会社
发明人： NAKANO ARITAKA , KIYOMOTO SHINSAKU , TANAKA TOSHIAKI
IPC分类号： H04L9/18 , G09C1/00 , H04L9/08
摘要： PROBLEM TO BE SOLVED: To construct a hash function easily from a stream cipher.SOLUTION: The hash value generating device has a message enlarging unit 110, an internal condition update unit 120 and a hash value acquisition unit 130. The message enlarging unit 110 enlarges a message to a size as large as an internal condition. The internal condition update unit 120 inputs the enlarged message in the whole internal condition of a stream cipher to update the whole internal condition. The hash value acquisition unit 130 further updates the internal condition by updating conditions until the desired hash value is acquired.
摘要翻译：要解决的问题：从流密码轻松构建散列函数。解决方案：散列值产生装置具有消息放大单元110，内部条件更新单元120和散列值获取单元130.消息放大单元110将消息放大到与内部条件一样大的大小。内部条件更新单元120在流密码的整个内部条件中输入放大的消息，以更新整个内部条件。哈希值获取单元130还通过更新条件来更新内部条件，直到获取期望的哈希值。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2012034303A Multiple authentication systems, multiple authentication methods, and program 审中-公开
标题翻译：多个认证系统，多个认证方法和程序
公开(公告)号：JP2012034303A
公开(公告)日：2012-02-16
申请号：JP2010174110
申请日：2010-08-03
申请人： Kddi Corp , Kddi株式会社
发明人： KIYOMOTO SHINSAKU , TANAKA TOSHIAKI
IPC分类号： H04L9/32 , G06F21/20 , G06K17/00 , G06K19/07 , G06K19/10 , G09C1/00
摘要： PROBLEM TO BE SOLVED: To provide an authentication device which authenticates multiple devices to be authenticated comprehensively.SOLUTION: Multiple devices to be authenticated have a secret key S, while an authentication device generates a random number R and send the generated random number to the multiple devices to be authenticated. Then, an addition value of the IDs of the multiple devices to be authenticated which can be decomposed uniquely in relation to the addition is sought from the values received from the multiple devices to be authenticated, and the IDs of the multiple devices to be authenticated are identified from the addition value and authenticated.
摘要翻译：要解决的问题：提供一种全面验证多个设备认证的认证设备。解决方案：要认证的多个设备具有秘密密钥S，而认证设备生成随机数R并将生成的随机数发送到要认证的多个设备。然后，从要被认证的多个设备接收到的值中寻求可以相对于添加唯一地分解的要认证的多个设备的ID的相加值，并且要认证的多个设备的ID是从附加值确定并进行认证。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2011180839A Privacy information evaluation server, data management method and program 有权
标题翻译：隐私信息评估服务器，数据管理方法和程序
公开(公告)号：JP2011180839A
公开(公告)日：2011-09-15
申请号：JP2010044580
申请日：2010-03-01
申请人： Kddi Corp , Kddi株式会社
发明人： KIYOMOTO SHINSAKU , TANAKA TOSHIAKI
IPC分类号： G06F21/24
摘要： PROBLEM TO BE SOLVED: To prevent leakage of kept data, to reduce preserved data and to accelerate processing, in a privacy information evaluation server for receiving data from a user terminal, evaluating the privacy information of a user, and transmitting the data to a service providing server together with the evaluation result. SOLUTION: The privacy information evaluation server receives data from a user terminal, evaluates the privacy information of a user, and transmits the data to a service providing server together with the evaluation result. The data received from the user terminal are processed to evaluate the privacy information, conversion processing is performed to information for which the ID information of the user is excluded from the data received from the user terminal, and the data after the conversion processing are stored. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了防止保留数据的泄漏，减少保存的数据并加速处理，在用于从用户终端接收数据的隐私信息评估服务器中，评估用户的隐私信息，以及发送数据与服务提供服务器一起提供评估结果。
解决方案：隐私信息评估服务器从用户终端接收数据，评估用户的隐私信息，并将该数据与评估结果一起发送给服务提供服务器。处理从用户终端接收到的数据以评估隐私信息，对从用户终端接收的数据中排除用户的ID信息的信息进行转换处理，并且存储转换处理之后的数据。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2011134153A Apparatus and method for evaluating privacy data, and program 审中-公开
标题翻译：用于评估隐私数据和程序的设备和方法
公开(公告)号：JP2011134153A
公开(公告)日：2011-07-07
申请号：JP2009293764
申请日：2009-12-25
申请人： Kddi Corp , Kddi株式会社
发明人： KIYOMOTO SHINSAKU , TANAKA TOSHIAKI
IPC分类号： G06Q10/00 , G06Q50/00 , G06Q50/26
摘要： PROBLEM TO BE SOLVED: To achieve safety evaluation for privacy data by a general-purpose and unified evaluation standard. SOLUTION: Original data and a privacy protection program to be evaluated are input and the input original data are classified into an identifier, a quasi-identifier and privacy information. Then, evaluation data obtained by leaving the privacy information of the classified data blank are prepared for the number of persons described in the original data, the original data and the data prepared by an evaluation data preparation means are input, the original data converted by the privacy protection program and data prepared by the evaluation data preparation means and converted by the privacy protection program are selected one by one and input, and probability is calculated by using an evaluation function. Then, a probability calculation result of each data prepared by the evaluation data preparation means and converted by the privacy protection program is displayed. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过通用和统一的评估标准实现隐私数据的安全评估。
解决方案：输入原始数据和要评估的隐私保护程序，并将输入的原始数据分为标识符，准标识符和隐私信息。然后，为原始数据中描述的人数准备留下分类数据空白的隐私信息而获得的评估数据，输入由评估数据准备装置准备的原始数据和数据，由隐私保护程序和由评估数据准备装置准备并由隐私保护程序转换的数据被逐个选择并输入，并且通过使用评估函数计算概率。然后，显示由评估数据准备装置准备并由隐私保护程序转换的每个数据的概率计算结果。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2011130340A Ciphering device and deciphering device for stream cipher, ciphering method and deciphering method for stream cipher, and program 审中-公开
标题翻译：流水AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM AM
公开(公告)号：JP2011130340A
公开(公告)日：2011-06-30
申请号：JP2009289102
申请日：2009-12-21
申请人： Kddi Corp , Kddi株式会社
发明人： KIYOMOTO SHINSAKU , TANAKA TOSHIAKI
IPC分类号： H04L9/18 , G09C1/00
摘要： PROBLEM TO BE SOLVED: To achieve ciphering processing not requiring synchronization processing by using a stream cipher as a block cipher without changing an algorithm of the stream cipher.
SOLUTION: A plain text is input and exclusive OR operation between a secret key, an initial vector and agitated internal state are fed back at necessary times to execute initialization processing, and the internal state is output as a cipher text. Accordingly, a new encryption utilization mode is established for using the stream cipher as block cipher without executing conventional key-based sequence generating processing, the necessity of the synchronization processing of the internal state is eliminated.
COPYRIGHT: (C)2011,JPO&INPIT

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