专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08184807B2 Content distribution/browsing system, content distribution apparatus, content browsing apparatus and program 有权
标题翻译：内容分发/浏览系统，内容分发装置，内容浏览装置和程序
公开(公告)号：US08184807B2
公开(公告)日：2012-05-22
申请号：US12133569
申请日：2008-06-05
申请人： Takehisa Kato , Koji Okada , Norikazu Hosaka , Yoshihiro Fujii , Minako Tada
发明人： Takehisa Kato , Koji Okada , Norikazu Hosaka , Yoshihiro Fujii , Minako Tada
IPC分类号： H04L9/00
CPC分类号： H04L9/085 , H04L2209/60
摘要： A content distribution/browsing system is disclosed. First to (m−1)th encrypted content items E(K1, C1∥K2,1), . . . , E(Km−1, Cm−1∥Km,1) contain second to m-th (next in order) sharing keys K2,1, . . . , Km,1, respectively. When desirous of browsing an (i+1)th content item Ci+1, the (i+1)th sharing key Ki+1,1 is acquired by browsing an immediately preceding i-th content item Ci.
摘要翻译：公开了内容分发/浏览系统。第一到第（m-1）个加密内容项目E（K1，C1‖K2,1），。。。，E（Km-1，Cm-1 | Km，1）包含第二到第m（下一个）共享密钥K2,1，。。。，Km，1。当希望浏览第（i + 1）个内容项Ci + 1时，通过浏览紧接在前的第i个内容项Ci来获取第（i + 1）共享密钥Ki + 1,1。

2. 发明申请

US20080304661A1 CONTENT DISTRIBUTION/BROWSING SYSTEM, CONTENT DISTRIBUTION APPARATUS, CONTENT BROWSING APPARATUS AND PROGRAM 有权
标题翻译：内容分发/浏览系统，内容分发设备，内容浏览器和程序
公开(公告)号：US20080304661A1
公开(公告)日：2008-12-11
申请号：US12133569
申请日：2008-06-05
申请人： Takehisa KATO , Koji Okada , Norikazu Hosaka , Yoshihiro Fujii , Minako Tada
发明人： Takehisa KATO , Koji Okada , Norikazu Hosaka , Yoshihiro Fujii , Minako Tada
IPC分类号： H04L9/06
CPC分类号： H04L9/085 , H04L2209/60
摘要： A content distribution/browsing system is disclosed. First to (m−1)th encrypted content items E(K1, C1∥K2,1), . . . , E(Km−1, Cm−1∥Km,1) contain second to m-th (next in order) sharing keys K2,1, . . . , Km,1, respectively. When desirous of browsing an (i+1)th content item Ci+1, the (i+1)th sharing key Ki+1,1 is acquired by browsing an immediately preceding i-th content item Ci.
摘要翻译：公开了内容分发/浏览系统。第一到第（m-1）个加密内容项目E（K1，C1‖K2,1），。。。，E（Km-1，Cm-1 | Km，1）包含第二到第m（下一个）共享密钥K2,1，。。。，Km，1。当希望浏览第（i + 1）个内容项Ci + 1时，通过浏览紧接在前的第i个内容项Ci来获取第（i + 1）共享密钥Ki + 1,1。

3. 发明授权

US08077863B2 Secret sharing apparatus, method, and program 有权
标题翻译：秘密共享装置，方法和程序
公开(公告)号：US08077863B2
公开(公告)日：2011-12-13
申请号：US12051524
申请日：2008-03-19
申请人： Norikazu Hosaka , Yoshihiro Fujii , Minako Tada , Takehisa Kato
发明人： Norikazu Hosaka , Yoshihiro Fujii , Minako Tada , Takehisa Kato
IPC分类号： H04K1/00 , H04L9/00 , H04L9/28 , H04L29/06 , G06F15/16
CPC分类号： H04L9/085
摘要： A secret sharing apparatus according to the present invention is based on a (k,n)-threshold scheme with a threshold of at least 4 but is still operational with a threshold of at least 2. The secret sharing apparatus generates a generator matrix (G) of GF(2) in which any k of n column vectors are at a full rank, divides secret information into n−1 pieces to generate divided secret data (K(1), . . . , K(n−1)), generates random data (U(0,1), . . . , U(k−2,n−1)), calculates the product of matrixes of the divided secret data, the random data, and the generator matrix (G), assigns the j×(n−1)+ith column of the calculation result to sharing partial data (D(j,i)) to calculate sharing partial data (D(j,1)), generates header information (H(j)), and individually distributes n pieces of sharing information (D(0), . . . , D(n−1)) made up of the header information (H(j)) and sharing partial data (D(j,i)) to n storage apparatuses.
摘要翻译：根据本发明的秘密共享装置是基于具有至少4的阈值的（k，n）阈值方案，但仍然以至少2的阈值运行。秘密共享装置生成生成矩阵（G ），其中n列n向量的任何k处于满秩，将秘密信息划分成n-1个部分，以产生分割的秘密数据（K（1），...，K（n-1）），生成随机数据（U（0,1），...，U（k-2，n-1）），计算分割的秘密数据，随机数据和生成矩阵（G）的矩阵乘积，，将计算结果的j×（n-1）+ i列分配给共享部分数据（D（j，i）），以计算共享部分数据（D（j，1）），生成报头信息），并且分别分配由标题信息（H（j））和共享部分数据（D（j，i））组成的n条共享信息（D（0），...，D（n-1）））存储到n个存储装置。

4. 发明授权

US08074068B2 Secret sharing device, method, and program 有权
标题翻译：秘密共享设备，方法和程序
公开(公告)号：US08074068B2
公开(公告)日：2011-12-06
申请号：US12114237
申请日：2008-05-02
申请人： Yoshihiro Fujii , Norikazu Hosaka , Minako Tada , Takehisa Kato
发明人： Yoshihiro Fujii , Norikazu Hosaka , Minako Tada , Takehisa Kato
IPC分类号： H04K1/00 , H04L9/00 , H04L9/28 , H04L29/06 , G06F15/16
CPC分类号： H04L9/085
摘要： A secret sharing device of (k, n) threshold scheme creates a generator matrix G, first divided secret data, and random number data, calculates shared partial data based on the product of matrices with the random number data, the divided secret data, and the generator matrix G, and delivers the shared information formed by the shared partial data and the header information individually to the storage units. The secret sharing device calculates a recovery matrix and multiplies the shared information by the recovery matrix, hence to recover the secret information.
摘要翻译：（k，n）阈值方案的秘密共享装置创建生成矩阵G，第一分割秘密数据和随机数数据，基于具有随机数数据的矩阵的乘积，分割的秘密数据和生成矩阵G，并且将由共享部分数据和报头信息形成的共享信息单独地传送到存储单元。秘密共享装置计算恢复矩阵并将共享信息乘以恢复矩阵，从而恢复秘密信息。

5. 发明申请

US20090144543A1 SECRET SHARING DEVICE, METHOD, AND PROGRAM 有权
标题翻译：秘密共享设备，方法和程序
公开(公告)号：US20090144543A1
公开(公告)日：2009-06-04
申请号：US12114237
申请日：2008-05-02
申请人： Yoshihiro Fujii , Norikazu Hosaka , Minako Tada , Takehisa Kato
发明人： Yoshihiro Fujii , Norikazu Hosaka , Minako Tada , Takehisa Kato
IPC分类号： H04L9/32
CPC分类号： H04L9/085
摘要： A secret sharing device of (k, n) threshold scheme creates a generator matrix G, first divided secret data, and random number data, calculates shared partial data based on the product of matrices with the random number data, the divided secret data, and the generator matrix G, and delivers the shared information formed by the shared partial data and the header information individually to the storage units. The secret sharing device calculates a recovery matrix and multiplies the shared information by the recovery matrix, hence to recover the secret information.
摘要翻译：（k，n）阈值方案的秘密共享装置创建生成矩阵G，第一分割秘密数据和随机数数据，基于具有随机数数据的矩阵的乘积，分割的秘密数据和生成矩阵G，并且将由共享部分数据和报头信息形成的共享信息单独地传送到存储单元。秘密共享装置计算恢复矩阵并将共享信息乘以恢复矩阵，从而恢复秘密信息。

6. 发明申请

US20080232580A1 SECRET SHARING APPARATUS, METHOD, AND PROGRAM 有权
标题翻译：秘密共享设备，方法和程序
公开(公告)号：US20080232580A1
公开(公告)日：2008-09-25
申请号：US12051524
申请日：2008-03-19
申请人： Norikazu HOSAKA , Yoshihiro Fujii , Minako Tada , Takehisa Kato
发明人： Norikazu HOSAKA , Yoshihiro Fujii , Minako Tada , Takehisa Kato
IPC分类号： H04L9/28
CPC分类号： H04L9/085
摘要： A secret sharing apparatus according to the present invention is based on a (k,n)-threshold scheme with a threshold of at least 4. The secret sharing apparatus generates a generator matrix (G) of GF(2) in which any k of n column vectors are at a full rank, divides secret information into n−1 pieces to generate divided secret data (K(1), . . . , K(n−1)), generates random data (U(0,1), . . . , U(k−2,n−1)), calculates the product of matrixes of the divided secret data, the random data, and the generator matrix (G), assigns the j×(n−1)+ith column of the calculation result to sharing partial data (D(j,i)) to calculate sharing partial data (D(j,1)), generates header information (H(j)), and individually distributes n pieces of sharing information (D(0), . . . , D(n−1)) made up of the header information (H(j)) and sharing partial data (D(j,i)) to n storage apparatuses.
摘要翻译：根据本发明的秘密共享装置基于具有至少4的阈值的（k，n）阈值方案。秘密共享装置生成GF（2）的生成矩阵（G），其中任何k n个列向量处于满秩，将秘密信息划分为n-1个部分，以产生分割的秘密数据（K（1），...，K（n-1）），生成随机数据（U（0,1），...，U（k-2，n-1））计算分割的秘密数据，随机数据和生成矩阵（G）的矩阵的乘积，分配jx（n-1）+ i 计算结果的列以共享部分数据（D（j，i））以计算共享部分数据（D（j，1）），生成头信息（H（j）），并且分别分配n个共享信息（H（j））和共享部分数据（D（j，i））组成的D（0），...，D（n-1））。

7. 发明授权

US09386016B2 System and device for authentication 有权
标题翻译：用于认证的系统和设备
公开(公告)号：US09386016B2
公开(公告)日：2016-07-05
申请号：US11840724
申请日：2007-08-17
申请人： Hidehisa Takamizawa , Asahiko Yamada , Tomoaki Morijiri , Koji Okada , Tatsuro Ikeda , Minoru Nishizawa , Yoshihiro Fujii
发明人： Hidehisa Takamizawa , Asahiko Yamada , Tomoaki Morijiri , Koji Okada , Tatsuro Ikeda , Minoru Nishizawa , Yoshihiro Fujii
IPC分类号： H04L29/06
CPC分类号： H04L63/0861
摘要： An authentication device receives each authentication context including an output information block, an input information block, and an authenticator block. The output information block includes a process result and process result identification information. The input information block includes a process result and process result identification information. The authentication device verifies each authenticator block. The authentication device searches for the output information block having the same value of process result identification information as the value of process result identification information in the input information block from other authentication contexts based on process result identification information in the input information block included in each authentication context. The authentication device verifies whether or not the process result in the input information block is equal to the process result in the searched output information block, and authenticates that all the authentication contexts have validity when all the verification results are valid.
摘要翻译：认证装置接收包括输出信息块，输入信息块和认证器块的每个认证上下文。输出信息块包括处理结果和处理结果识别信息。输入信息块包括处理结果和处理结果标识信息。认证设备验证每个认证器块。认证装置根据包含在每个认证中的输入信息块中的处理结果识别信息，从其他认证上下文中搜索具有与处理结果识别信息相同的处理结果识别信息值的输出信息块上下文验证装置验证输入信息块中的处理结果是否等于搜索到的输出信息块中的处理结果，并且当所有验证结果有效时，认证所有认证上下文都具有有效性。

8. 发明申请

US20100180124A1 VERIFICATION APPARATUS AND PROGRAM 有权
标题翻译：验证装置和程序
公开(公告)号：US20100180124A1
公开(公告)日：2010-07-15
申请号：US12695781
申请日：2010-01-28
申请人： Tomoaki Morijiri , Koji Okada , Tatsuro Ikeda , Minoru Nishizawa , Hidehisa Takamizawa , Yoshihiro Fujii , Asahiko Yamada
发明人： Tomoaki Morijiri , Koji Okada , Tatsuro Ikeda , Minoru Nishizawa , Hidehisa Takamizawa , Yoshihiro Fujii , Asahiko Yamada
IPC分类号： H04L9/32 , G06F21/20
CPC分类号： G06F21/57 , G06F21/32 , H04L9/3231 , H04L9/3247 , H04L9/3263 , H04L2209/805
摘要： According to one embodiment of the present invention, the first authentication context includes the template certificate indicative of the validity of a template and the first apparatus evaluation certificate indicative of the validity of the first apparatus evaluating information whilst the second authentication context includes the second apparatus evaluating certificate indicative of the validity of the second apparatus evaluating information. And the template certificate and the first and second evaluation certificates are verified when verifying the first and second authentication contexts. Thus, the validity of the template used for authentication or the apparatus evaluating information included in the authentication context can be verified.
摘要翻译：根据本发明的一个实施例，第一认证上下文包括指示模板的有效性的模板证书和指示第一设备评估信息的有效性的第一设备评估证书，而第二认证上下文包括第二设备评估指示第二装置评估信息的有效性的证书。并且在验证第一和第二认证上下文时验证模板证书和第一和第二评估证书。因此，可以验证用于认证的模板的有效性或包括在认证上下文中的设备评估信息。

9. 发明申请

US20090327706A1 ACCOUNT MANAGEMENT SYSTEM, ROOT-ACCOUNT MANAGEMENT APPARATUS, DERIVED-ACCOUNT MANAGEMENT APPARATUS, AND PROGRAM 有权
标题翻译：帐户管理系统，根帐管理装置，衍生账户管理装置和程序
公开(公告)号：US20090327706A1
公开(公告)日：2009-12-31
申请号：US12501169
申请日：2009-07-10
申请人： Tatsuro IKEDA , Koji Okada , Tomoaki Morijiri , Minoru Nishizawa , Hidehisa Takamizawa , Yoshihiro Fujii , Asahiko Yamada
发明人： Tatsuro IKEDA , Koji Okada , Tomoaki Morijiri , Minoru Nishizawa , Hidehisa Takamizawa , Yoshihiro Fujii , Asahiko Yamada
IPC分类号： H04L9/00
CPC分类号： G06F21/33 , G06F21/32 , H04L9/3247 , H04L9/3263 , H04L2209/56 , H04L2209/60
摘要： A root-account management apparatus generates an electronic signature based on a survival condition and a secret key when an authentication result of a user of a client apparatus is proper, and transmits derived-account credence element information including the survival condition, the electronic signature and a public key certificate to a derived-account management apparatus. The derived-account management apparatus creates derived-account information which becomes valid when the survival condition is satisfied so that the derived-account information includes both the derived-account credence element information which becomes invalid when a validity term of the public key certificate expires and a biometric information template of the user which is valid regardless of this validity term. Accordingly, even if an authentication element as a root (public key certificate) becomes invalid, a derived authentication element (biometric information template) can be prevented from becoming invalid.
摘要翻译：根帐户管理装置在客户端装置的用户的认证结果正确的情况下，基于生存条件和秘密密钥生成电子签名，并且发送包括生存条件，电子签名的导出账户信任元素信息，派生帐户管理装置的公钥证书。导出账户管理装置创建导致账户信息，当满足生存条件时，导出账户信息变为有效，从而导出账户信息包括当公共密钥证书的有效期到期时成为无效的导出账户信用单元信息; 无论该有效期如何，用户的生物特征信息模板是有效的。因此，即使作为根（公钥证书）的认证元素变得无效，也可以防止导出的认证要素（生物体信息模板）变得无效。

10. 发明授权

US08732461B2 Client apparatus, server apparatus, and program using entity authentication and biometric authentication 有权
标题翻译：客户端设备，服务器设备和使用实体认证和生物认证的程序
公开(公告)号：US08732461B2
公开(公告)日：2014-05-20
申请号：US12705323
申请日：2010-02-12
申请人： Yoshihiro Fujii , Tatsuro Ikeda , Koji Okada , Tomoaki Morijiri , Minoru Nishizawa , Hidehisa Takamizawa , Asahiko Yamada
发明人： Yoshihiro Fujii , Tatsuro Ikeda , Koji Okada , Tomoaki Morijiri , Minoru Nishizawa , Hidehisa Takamizawa , Asahiko Yamada
IPC分类号： H04L9/32 , H04L29/06 , G06F21/00 , G06F7/04 , H04L9/00 , H04L9/08
CPC分类号： H04L9/3273 , G06F21/32 , G06F2221/2151 , H04L9/3231 , H04L9/3263 , H04L63/0823 , H04L63/0861 , H04L63/166
摘要： A client apparatus receives a message including a random number from a server apparatus during the handshake of agreement process, creates a biometric negotiation message including the biometric authentication method information and sends the biometric negotiation message to the server apparatus. Then, the client apparatus executes a biometric authentication based on biometric authentication method information notified from the server apparatus and encrypts the random number based on the private key. In addition, the client apparatus generates an authenticator from a result of the biometric authentication, the biometric authentication method information, the encrypted random number, and the client certificate, and sends to the server apparatus an authentication context including these. The server apparatus verifies the authentication context and establishes a secure session in one handshake.
摘要翻译：在协商处理的握手期间，客户机装置从服务器装置接收包含随机数的消息，生成包含生物体认证方法信息的生物体协商消息，并向服务器装置发送生物统计学协商消息。然后，客户端装置根据从服务器装置通知的生物体认证方法信息，执行生物体认证，并根据私钥加密随机数。另外，客户端装置从生物体认证，生物体认证方法信息，加密随机数和客户端证书的结果生成认证器，并向服务器装置发送包括这些的认证上下文。服务器设备验证认证上下文并在一次握手中建立安全会话。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式