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21. 发明专利

JP2010066510A Computing device and method, and program 有权
标题翻译：计算设备和方法，程序
公开(公告)号：JP2010066510A
公开(公告)日：2010-03-25
申请号：JP2008232668
申请日：2008-09-10
申请人： Toshiba Corp , 株式会社東芝
发明人： YONEMURA TOMOKO , MURATANI HIROBUMI , SHINPO ATSUSHI , OKUMA KENJI , ISOTANI YASUTOMO , KOMANO YUICHI , FURUTA KENICHIRO , HANATANI KIICHI
IPC分类号： G09C1/00
CPC分类号： G06F17/10 , G06F7/724
摘要： PROBLEM TO BE SOLVED: To provide a computing technique for performing square computation on a finite field at high speed. SOLUTION: Elements of a finite field are input into an input unit 101 in vector representation. A square computation rule creation unit creates a square computation rule which is defined by a fixed modulus polynomial and a basis and in which a first conditional expression and a second conditional expression are applied to Karatsuba-algorithm. The first conditional expression is based on a first property that the elements of a sixth degree extension field Fq^6 are the elements of T2(Fq^r). The second conditional expression is based on a second property that the elements of the sixth degree extension field Fq^6 are the elements of T2r(Fq). A multiplication unit 102 performs multiplication according to the square computation rule. An addition/subtraction unit 103 calculates each element included in the vector representing the results of square computation by performing addition/subtraction using the multiplication results of the multiplication unit 102 and the elements of vector according to the square computation rule. An output unit 104 outputs the results of computation by the addition/subtraction unit 103 as the results of square computation. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在有限域高速执行平方运算的计算技术。解决方案：有限域的元素在矢量表示中被输入到输入单元101中。平方计算规则制作单元创建由固定模数多项式和基础定义的平方运算规则，其中将第一条件表达式和第二条件表达式应用于Karatsuba算法。第一个条件表达式基于第六个扩展字段Fq ^ 6的元素是T2（Fq ^ r）的元素的第一属性。第二条件表达式基于第六属性，第六度扩展字段Fq ^ 6的元素是T2r（Fq）的元素。乘法单元102根据平方运算规则进行乘法运算。加法/减法单元103通过使用乘法单元102的乘法结果和根据平方计算规则的向量元素执行加法/减法来计算表示平方计算结果的向量中包括的每个元素。输出单元104输出加法/减法单元103的计算结果作为平方计算的结果。版权所有（C）2010，JPO＆INPIT

22. 发明专利

JP2010049214A Encryption device, decryption device, cryptography verifying device, encryption method, decryption method and program 审中-公开
标题翻译：加密设备，分解设备，CRYPTOGRAPHY验证设备，加密方法，分解方法和程序
公开(公告)号：JP2010049214A
公开(公告)日：2010-03-04
申请号：JP2008216016
申请日：2008-08-25
申请人： Toshiba Corp , 株式会社東芝
发明人： ISOTANI YASUTOMO , YONEMURA TOMOKO , MURATANI HIROBUMI , SHINPO ATSUSHI , OKUMA KENJI , KOMANO YUICHI , FURUTA KENICHIRO , HANATANI KIICHI
IPC分类号： G09C1/00
摘要： PROBLEM TO BE SOLVED: To provide an encryption technique which can reduce the size of data while restraining increase in processing time in a public key cryptosystem, which has basis of safety on discrete logarithm problem on a sub-group of a multiplication group. SOLUTION: An encryption device compresses some cryptography components of the respective cryptography components of a cryptography (c1, c2) and generates the other cryptography components at the same time. Meanwhile, a decryption device expands the compressed cryptography components of the respective cryptography components of the cryptography (c1, c2) and performs various operations such as exponentiation and multiplication using the non-compressed cryptography components or already expanded cryptography components and a private key at the same time to thereby obtain a plaintext. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种加密技术，其可以在抑制在公钥密码系统中的处理时间的增加的同时减小数据的大小，其具有在乘法组的子组上的离散对数问题上的安全性的基础。解决方案：加密设备压缩加密（c1，c2）的相应加密组件的一些加密组件，并同时生成其他加密组件。同时，解密装置扩展密码学（c1，c2）的各个加密组件的压缩加密组件，并使用非压缩加密组件或已经扩展的密码组件和私有密钥执行各种操作，例如求幂和乘法同时得到一个明文。版权所有（C）2010，JPO＆INPIT

23. 发明专利

JP2010049211A Apparatus and program for performing data compression processing using algebraic torus 有权
标题翻译：使用ALGBRAIC TORUS执行数据压缩处理的装置和程序
公开(公告)号：JP2010049211A
公开(公告)日：2010-03-04
申请号：JP2008216013
申请日：2008-08-25
申请人： Toshiba Corp , 株式会社東芝
发明人： MURATANI HIROBUMI , YONEMURA TOMOKO , SHINPO ATSUSHI , OKUMA KENJI , ISOTANI YASUTOMO , KOMANO YUICHI , FURUTA KENICHIRO , HANATANI KIICHI
IPC分类号： G09C1/00
CPC分类号： H04L9/3073 , H04L9/3013 , H04L2209/30
摘要： PROBLEM TO BE SOLVED: To provide an information processor, suitably performing the processing even when an exception point not to be compressed appears.
SOLUTION: The apparatus includes: a compression part capable of compressing an origin on the algebraic torus to affine representation by compression-mapping; and a determination part for determining whether or not an object origin showing an origin on the algebraic torus as an object of compression is an exception point showing an origin on the algebraic torus not compressed by the compression-mapping. The compression part generates the processing result including exception information showing that the object origin is an exception point when the object origin is determined to be an exception point, and generates the processing result including the affine representation, which compresses the object origin by compression-mapping when the object origin is determined to be not an exception point.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种信息处理器，即使当出现不被压缩的异常点时也适当地执行处理。解决方案：该装置包括：能够压缩代数环面上的原点以通过压缩映射进行仿射表示的压缩部分; 以及确定部，用于确定表示作为压缩对象的代数圆环上的原点的对象原点是否是未被压缩映射压缩的代数环面上的原点的异常点。压缩部生成包含异常信息的处理结果，该异常信息表示当对象原点被确定为异常点时，对象原点是异常点，并且生成包含仿射表示的处理结果，该仿射表示通过压缩映射来压缩对象原点当对象原点被确定为不是异常点时。版权所有（C）2010，JPO＆INPIT

24. 发明专利

JP2008154051A Quantum information communication device, method, and program 有权
标题翻译：量子信息通信设备，方法和程序
公开(公告)号：JP2008154051A
公开(公告)日：2008-07-03
申请号：JP2006341140
申请日：2006-12-19
申请人： Toshiba Corp , 株式会社東芝
发明人： FURUTA KENICHIRO
IPC分类号： H04L9/12
摘要： PROBLEM TO BE SOLVED: To reduce a path-search load in quantum information communication. SOLUTION: A quantum information communication device is a quantum information repeater 100. The device is provided with a classical-path-search part 136, which searches a classical communication path between prescribed nodes present between a sending node and a receiving node from in a classical communication path table 133 on the basis of an IP address of the sending node and that of the receiving node, a quantum path determination part 132, which determines a quantum communication path between the prescribed nodes on the basis of a correlation that corresponds to the searched classical communication path, and a repeater 120 that executes photon quantum information communication by following the searched classical communication path or the determined quantum communication path. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：减少量子信息通信中的路径搜索负载。解决方案：量子信息通信设备是量子信息中继器100.该设备具有经典路径搜索部分136，该经验路径搜索部分136在发送节点和接收节点之间的规定节点之间搜索经典通信路径，基于发送节点的IP地址和接收节点的IP地址的经典通信路径表133中的量子路径确定部132，其基于相应的相关性来确定规定节点之间的量子通信路径搜索到的经典通信路径，以及通过跟随搜索到的经典通信路径或所确定的量子通信路径执行光子量子信息通信的中继器120。版权所有（C）2008，JPO＆INPIT

25. 发明专利

JP2006345324A QUANTUM CIRCUIT, QUANTUM ERROR CORRECTION DEVICE, AND QUANTUM ERROR CORRECTION METHOD 审中-公开
公开(公告)号：JP2006345324A
公开(公告)日：2006-12-21
申请号：JP2005170147
申请日：2005-06-09
申请人： TOSHIBA CORP
发明人： FURUTA KENICHIRO
IPC分类号： H03M13/15 , G06F11/10 , H04L9/12
摘要： PROBLEM TO BE SOLVED: To reduce calculation volume of error correction processing, and improve efficiency of quantum error correction. SOLUTION: A quantum error correction device is provided with a syndrome output circuit 111 which receives input of a code quantum bit group, and outputs a syndrome; an error position calculation circuit 112 which simultaneously performs error position calculation for multiple syndrome patterns expressed as a base of a quantum condition by making quantum basic logic elements (which are quantum gates executing the same operation of respective sets of basic logic elements which composes classic logical circuits which receives input of the syndrome that is observed by quantum error correction processing using observation of the syndrome, and becomes classic information for respective bases in the quantum condition, ) act to the output syndrome, and obtains error position information which shows a position of an error in code word information; and a correction circuit 113 which corrects error in code word information based on error position information. COPYRIGHT: (C)2007,JPO&INPIT

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