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1. 发明授权

US06683953B1 Encoding method, encoding-decoding apparatus, and code communications system 失效
标题翻译：编码方法，编码解码装置和代码通信系统
公开(公告)号：US06683953B1
公开(公告)日：2004-01-27
申请号：US09361195
申请日：1999-07-26
申请人： Masao Kasahara , Shinya Kiuchi , Yasuyuki Murakami
发明人： Masao Kasahara , Shinya Kiuchi , Yasuyuki Murakami
IPC分类号： H04K100
CPC分类号： H04L9/30 , H04L9/0618
摘要： Instead of immediately encrypting a plain text, a n-bit plain text is first converted to a m-bit of expanded plain text in order to limit the weight of the plain text to w, and that expanded plain text is then encrypted. By first converting the plain text to the expanded plain text wherein the weight has been limited, a smaller modulus can be used, and therefore the rate (or encryption efficiency) rises.
摘要翻译：首先将n位纯文本转换为m位的扩展纯文本，而不是立即加密纯文本，以便将明文的权重限制为w，然后对该扩展的纯文本进行加密。通过首先将明文转换为已经限制权重的扩展的纯文本，可以使用较小的模数，因此速率（或加密效率）上升。

2. 发明授权

US06990200B1 Encryption method, cryptographic communication method, ciphertext generating device and cryptographic communication system of public-key cryptosystem 失效
标题翻译：加密方法，加密通信方法，密文生成装置和密钥密码系统密码通信系统
公开(公告)号：US06990200B1
公开(公告)日：2006-01-24
申请号：US09703550
申请日：2000-11-01
申请人： Masao Kasahara , Yasuyuki Murakami
发明人： Masao Kasahara , Yasuyuki Murakami
IPC分类号： H04N7/167
CPC分类号： H04N7/1675 , H04L9/14 , H04L9/30 , H04N21/2347 , H04N21/26613 , H04N21/4408
摘要： Two public keys including a random number term therein are prepared in a database for each divided plaintext in advance, a plaintext is divided into a plurality of 1-bit divided plaintexts, one public key is selected for each divided plaintext from the database according to the bit data of each divided plaintext, and the selected public keys are added to generate a ciphertext. This invention bases its security on free selection of a desired combination of public keys.
摘要翻译：包括其中的随机数字项的两个公钥预先在每个划分的明文的数据库中准备，明文被分成多个1位分割明文，根据该数据库为每个划分的明文选择一个公开密钥每个划分的明文的位数据和所选择的公钥被相加以生成密文。本发明基于其公开密钥的期望组合的自由选择。

3. 发明授权

US06798884B1 Encryption method, decryption method, encryption/decryption method, cryptographic communications system, and computer usable medium 失效
标题翻译：加密方法，解密方法，加密/解密方法，加密通信系统和计算机可用介质
公开(公告)号：US06798884B1
公开(公告)日：2004-09-28
申请号：US09397677
申请日：1999-09-16
申请人： Masao Kasahara , Yasuyuki Murakami
发明人： Masao Kasahara , Yasuyuki Murakami
IPC分类号： H04L900
CPC分类号： H04L9/002 , H04L9/3093 , H04L2209/08
摘要： A product-sum type cryptosystem is employed to obtain ciphertext C=m0D0+m1D1+ . . . +mK−1DK−1 by (an) inner product(s) using a plaintext vector m=(m0, m1, . . . , mK−1) and base vectors D=(D0, D1, . . . , DK−1). Di (0≦i≦K−1) is set to Di=d/di, where d=d0d1 . . . dK−1, and any two numbers di and dj are prime relative to each other.
摘要翻译：采用乘积和类型密码方式获得密文C = m0D0 + m1D1 +。。。（m0，m1，...，mK-1）和基本向量D =（D0，D1，...，DK- 1）。 Di（0 <= i <= K-1）设定为Di = d / di，其中d = d0d1。。。 dK-1，并且任何两个数字di和dj相对于彼此是素数。

4. 发明授权

US07043018B1 Prime number generation method, prime number generation apparatus, and cryptographic system 失效
标题翻译：素数生成方法，素数生成装置和加密系统
公开(公告)号：US07043018B1
公开(公告)日：2006-05-09
申请号：US09448728
申请日：1999-11-24
申请人： Masao Kasahara , Yoshizo Sato , Yasuyuki Murakami
发明人： Masao Kasahara , Yoshizo Sato , Yasuyuki Murakami
IPC分类号： H04L9/08
CPC分类号： G06F17/10 , H04L9/3033 , H04L2209/08
摘要： A prime number generation method for efficiently generating prime numbers that are highly resistant to the P−1 and P+1 methods. These prime numbers are used in a cryptosystem. Prime candidates are first generated, and the generated prime candidates are subjected to prime number judgment by either a probabilistic primality testing method or a deterministic primality testing method. A prime candidate P′ is generated using odd random numbers, a judgment is made as to whether or not that prime candidate P′ satisfies the expression P′≡0, ±1 (mod pi) (where 3≦i≦n) for prime numbers from p3 to pn (where pn is the n'th prime). When that expression is satisfied, that prime candidate P′ is excluded. Only those prime candidates P′ that do not satisfy that condition are subjected to the prime number judgment.
摘要翻译：一种用于有效产生对P-1和P + 1方法具有高度抵抗力的素数的素数生成方法。这些素数在密码系统中使用。首先生成初始候选，并且通过概率原语测试方法或确定性原语测试方法对所生成的素数候选进行素数判定。使用奇数随机数产生主要候选者P'，判断素数候补P'是否满足表达式P'≡0，±1（mod p 3 <= i <= n）对于从p <3>到p 的质数（其中p N是第n个素数）。当满足该表达式时，该主要候选者P'被排除。只有不满足该条件的主要候选者P'才进行素数判定。

5. 发明授权

US06996724B2 Secret key generating method, common key generating method, encryption method, cryptographic communication method and cryptographic communication system 失效
标题翻译：秘密密钥生成方法，通用密钥生成方法，加密方法，密码通信方法和密码通信系统
公开(公告)号：US06996724B2
公开(公告)日：2006-02-07
申请号：US09767620
申请日：2001-01-23
申请人： Yasuyuki Murakami , Masao Kasahara , Shigeo Tsujii
发明人： Yasuyuki Murakami , Masao Kasahara , Shigeo Tsujii
IPC分类号： H04L9/00
CPC分类号： H04L9/083 , H04L9/0847
摘要： At the time when generating a secret key of each entity by using each divided identification information (ID division vector) obtained by dividing identification information (ID vector) of each entity into a plurality of blocks and by using a secret symmetric matrix of each key generating agency (center), a part of the components of the symmetric matrix is extracted in accordance with each divided identification information (ID division vector) so that the extracted components are synthesized with a random number particular to each entity so as to generate a secret key of each entity.
摘要翻译：在通过使用通过将每个实体的识别信息（ID向量）划分为多个块而获得的每个划分的标识信息（ID划分矢量）并且通过使用每个密钥产生的密钥的秘密对称矩阵来生成每个实体的秘密密钥的时间根据每个划分的识别信息（ID划分矢量）提取对称矩阵的分量的一部分，使得提取的分量以每个实体特有的随机数合成，以产生秘密密钥的每个实体。

6. 发明授权

US07080255B1 Secret key generation method, encryption method, and cryptographic communications method and system 失效
标题翻译：秘密密钥生成方法，加密方法和密码通信方法和系统
公开(公告)号：US07080255B1
公开(公告)日：2006-07-18
申请号：US09573915
申请日：2000-05-18
申请人： Masao Kasahara , Yasuyuki Murakami , Shigeo Tsujii
发明人： Masao Kasahara , Yasuyuki Murakami , Shigeo Tsujii
IPC分类号： H04L9/32
CPC分类号： H04L9/083 , H04L9/0847
摘要： A cryptographic communications method is provided which is based on ID-NIKS and is resilient to collusive attack. Centers (1) established in a plurality generate secret keys peculiar to entities (a, b) using division vectors wherein specifying information (ID information) for said entities is divided and personal secret random numbers set differently for each component in the division vectors. The centers (1) then distribute the secret keys to the entities. The entities generate common keys using components, contained in their own peculiar secret keys, that correspond to the division vectors of other entities. Each division vector is configured with codewords of an error correcting code.
摘要翻译：提供了基于ID-NIKS的加密通信方法，并且具有抵御共谋攻击的能力。使用分割向量在多个生成特定实体（a，b）的密钥生成密钥的中心（1），其中分配用于所述实体的指定信息（ID信息）被划分，并且对于分割向量中的每个分量设置不同的个人秘密随机数。中心（1）然后将密钥分配给实体。实体使用与其他实体的分割向量相对应的包含在它们自己的特有秘密密钥中的组件来生成公共密钥。每个划分矢量配置有纠错码的码字。

7. 发明授权

US06788788B1 Cryptographic communication method, encryption method, and cryptographic communication system 失效
标题翻译：加密通信方式，加密方式和加密通信系统
公开(公告)号：US06788788B1
公开(公告)日：2004-09-07
申请号：US09397983
申请日：1999-09-16
申请人： Masao Kasahara , Yasuyuki Murakami
发明人： Masao Kasahara , Yasuyuki Murakami
IPC分类号： H04L900
CPC分类号： H04L9/0847 , H04L9/083
摘要： A novel cryptographic communication system including ID-NIKS system with high security. Secret key generation functions and key sharing functions are not separable. Key sharing is also probabilistically possible. A center uses entity-specific random numbers and entity-specific public keys based on ID information for each entity to generate two types of secret key (vectors s and t) in which two numbers serve as the moduli, respectively. The center then sends these secret keys to each entity, and each entity uses these two types of its own entity-specific secret key sent from the center and disclosed public key of another entity (the entity who receives a ciphertext or sends a ciphertext) to generate a common key that is shared by two entities for use in the encrypting of a plaintext into a ciphertext and in the decrypting of a ciphertext into a plaintext.
摘要翻译：一种具有高安全性的ID-NIKS系统的新型加密通信系统。秘密密钥生成功能和密钥共享功能是不可分离的。密钥共享也是概率可能的。中心根据每个实体的ID信息使用实体特定的随机数和实体特定的公钥来生成两种类型的秘密密钥（向量s和t），其中两个数字分别用作模数。中心然后将这些秘密密钥发送给每个实体，每个实体使用这两种类型的自身实体特定的密钥从中心发送并公开另一个实体（接收密文或发送密文的实体）的公开密钥生成由两个实体共享的共同密钥，用于将明文加密成密文，以及将密文解密为明文。

8. 发明授权

US06785388B1 Encryption method, decryption method, encryption/decryption method, cryptographic communications system, and computer usable medium 失效
标题翻译：加密方法，解密方法，加密/解密方法，加密通信系统和计算机可用介质
公开(公告)号：US06785388B1
公开(公告)日：2004-08-31
申请号：US09397775
申请日：1999-09-16
申请人： Masao Kasahara , Yasuyuki Murakami
发明人： Masao Kasahara , Yasuyuki Murakami
IPC分类号： H04K100
CPC分类号： H04L9/002 , H04L9/3093 , H04L2209/08
摘要： An encryption/decryption method applicable to product-sum cryptosystem. This method enables highspeed decryption. A ciphertext C=m0B0+m1B1+ . . . +mK−1BK−1 is produced from a scalar product of a plaintext vector m=(m0, m1, . . . , mK−1) and a base vector B=(B0, B1, . . . , BK−1).
摘要翻译：适用于产品和密码系统的加密/解密方法。该方法可实现高速解密。密文C = m0B0 + m1B1 +。。。 + mK-1BK-1由明文矢量m =（m0，m1，...，mK-1）和基矢量B =（B0，B1，...，BK-1）的标量积产生，。

9. 发明授权

US4144961A Method and apparatus for transporting a group of yarn packages 失效
标题翻译：用于运输一组纱线包装的方法和装置
公开(公告)号：US4144961A
公开(公告)日：1979-03-20
申请号：US747486
申请日：1976-12-06
申请人： Masao Kasahara , Noriyuki Kouguchi , Mitugu Inaba , Masao Kagawa , Kunio Yamada , Hiroshi Tanida
发明人： Masao Kasahara , Noriyuki Kouguchi , Mitugu Inaba , Masao Kagawa , Kunio Yamada , Hiroshi Tanida
IPC分类号： B65H67/06 , B65G47/00
CPC分类号： B65H67/06 , B65H2701/31
摘要： Disclosed are a method and an apparatus for transporting a group of yarn packages, wherein a plurality of yarn packages is separately placed on each of a plurality of trays and a plurality of the trays is placed on a pallet, and then, the pallet is transported between successive stages of yarn processing. Said method and apparatus attain efficient transportation of yarn packages and eliminate a great amount of manual labor in yarn processing.
摘要翻译：公开了一种用于运输一组纱线包装的方法和装置，其中多个纱线卷装分别放置在多个托盘的每个托盘上，并且多个托盘放置在托盘上，然后运送托盘在连续的纱线加工阶段之间。所述方法和设备可有效地运输纱线包装，并消除大量的纱线加工中的人工劳动。

10. 发明授权

US07239701B1 Key sharing method, secret key generating method, common key generating method and cryptographic communication method in ID-NIKS cryptosystem 有权
标题翻译： ID-NIKS密码系统中的密钥共享方法，密钥生成方法，通用密钥生成方法和密码通信方法
公开(公告)号：US07239701B1
公开(公告)日：2007-07-03
申请号：US09708263
申请日：2000-11-07
申请人： Kiyoshi Ogishi , Ryuichi Sakai , Masao Kasahara
发明人： Kiyoshi Ogishi , Ryuichi Sakai , Masao Kasahara
IPC分类号： G06F17/00 , H04L9/00
CPC分类号： H04L9/0838 , H04L9/3013 , H04L9/3073
摘要： Mapping is carried out at a point on an elliptic curve to be utilized for elliptic encryption based on identity information (ID information) of each entity and a mapping value is set to be a public key of the entity. By using the mapping value and secret information, a secret key of each entity is generated. The entity generates a common key to be used for an encrypting process and a decrypting process by utilizing the self-secret key and the public key to be the mapping value obtained by mapping at a point on the elliptic curve based on ID information of a communication participate. In this case, pairing on the elliptic curve is utilized.
摘要翻译：基于每个实体的身份信息（ID信息），在椭圆曲线上的点进行椭圆加密的映射，映射值被设定为该实体的公开密钥。通过使用映射值和秘密信息，生成每个实体的秘密密钥。实体通过利用自秘密密钥和公钥来生成用于加密处理和解密处理的公共密钥，作为通过基于通信的ID信息在椭圆曲线上的点映射而获得的映射值参加。在这种情况下，利用椭圆曲线上的配对。

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