公开(公告)号：US5966448A

公开(公告)日：1999-10-12

申请号：US703097

申请日：1996-08-26

申请人： Hikari Namba ,  Kazuo Takaragi ,  Satoshi Miyazaki

发明人： Hikari Namba ,  Kazuo Takaragi ,  Satoshi Miyazaki

IPC分类号： H04L9/14 ,  G06F21/00 ,  G09C1/00 ,  H04L9/00 ,  H04L29/06 ,  H04L9/16

CPC分类号： H04L63/0464 ,  G06F21/606 ,  H04L9/14 ,  H04L69/08

摘要： According to a cryptographic communication system which can safely perform cipher conversion processing when cryptographic communication is performed between terminals using different cipher types, when a terminal 10A-1 connected to a LAN-A using a cryptographic algorithm C1 transmits data to a terminal 10B-1 connected to a LAN-B using a cryptographic algorithm C2, the terminal 10A-1 generates two meaningless data items from the data to be transmitted, decrypts the two generated data items according to the cryptographic algorithm C1, and then transmits the decrypted data to two cryptographic protocol conversion servers and for dividing the data into two data items. Each of the cryptographic protocol conversion servers decrypts each transmitted data item, the re-encrypts the decrypted data according to the cryptographic algorithm C2, and then transmits the data to the terminal 10B-1. The terminal 10B-1 restores original transmission data on the basis of the two data items transmitted from the respective cryptographic protocol conversion servers.

摘要翻译： 根据在使用不同的密码类型的终端之间执行密码通信时可以安全地执行密码转换处理的密码通信系统，当使用密码算法C1连接到LAN-A的终端10A-1向终端10B-1发送数据时 使用加密算法C2连接到LAN-B，终端10A-1从要发送的数据生成两个无意义的数据项，根据密码算法C1对两个生成的数据项进行解密，然后将解密的数据发送到两个 加密协议转换服务器，并将数据分成两个数据项。 每个密码协议转换服务器对每个发送的数据项进行解密，根据加密算法C2重新加密解密的数据，然后将数据发送到终端10B-1。 终端10B-1基于从各个密码协议转换服务器发送的两个数据项恢复原始传输数据。

公开(公告)号：US07359515B2

公开(公告)日：2008-04-15

申请号：US11602263

申请日：2006-11-21

申请人： Soichi Furuya ,  Kazuo Takaragi ,  Hiroyuki Kurumatani ,  Masashi Takahashi ,  Kunihiko Miyazaki ,  Hisayoshi Sato ,  Dai Watanabe

发明人： Soichi Furuya ,  Kazuo Takaragi ,  Hiroyuki Kurumatani ,  Masashi Takahashi ,  Kunihiko Miyazaki ,  Hisayoshi Sato ,  Dai Watanabe

IPC分类号： H04L9/00

CPC分类号： H04L9/0822 ,  H04L9/0625 ,  H04L9/0637 ,  H04L9/0662 ,  H04L9/3236 ,  H04L2209/125 ,  H04L2209/20 ,  H04L2209/38

摘要： A symmetric-key cryptographic technique capable of realizing both high-speed cryptographic processing having a high degree of parallelism, and alteration detection. The invention includes dividing plaintext composed of redundancy data and a message to generate plaintext blocks each having a predetermined length; generating a random number sequence based on a secret key, generating a random number block corresponding to one of the plaintext blocks from the random number sequence, outputting a feedback value obtained as a result of operation on the one plaintext block and the random number block, the feedback value being fed back for using the operation on another plaintext block, and performing an encryption operation using the one plaintext block, random number block, and feedback value.

摘要翻译： 一种对称密钥加密技术，能够实现具有高度并行性和改变检测的高速密码处理。 本发明包括划分由冗余数据组成的明文和消息，以产生每个具有预定长度的明文块; 基于秘密密钥生成随机数序列，从随机数序列生成与一个明文块相对应的随机数块，将作为操作结果获得的反馈值输出到一个明文块和随机数块上， 对反馈值进行反馈以对另一明文块进行操作，并使用一个明文块，随机数块和反馈值进行加密操作。

公开(公告)号：US07280659B2

公开(公告)日：2007-10-09

申请号：US10124577

申请日：2002-04-18

申请人： Dai Watanabe ,  Soichi Furuya ,  Kazuo Takaragi

发明人： Dai Watanabe ,  Soichi Furuya ,  Kazuo Takaragi

IPC分类号： H04L9/00

CPC分类号： G06F7/582

摘要： In a buffer and a state included in a pseudorandom number generating apparatus, the state has the configuration of assuming that the unit length of data processing is n, the state has a size of 3×n bits, and the buffer has a capacity of 32×n bits, and according to clock control, a state transformation section (state transformation function) for conducting a state alteration from time t to time t+1 uses a nonlinear function F (having an n-bit input and an n-bit output) twice, or two different nonlinear functions F and G respectively once. The state transformation section has such a configuration that a nonlinear function such as a round function of a block cipher sufficiently evaluated as to the cryptographic security and implementation.

摘要翻译： 在包括在伪随机数生成装置中的缓冲器和状态中，状态具有假设数据处理的单位长度为n，状态具有3×n位的大小，并且缓冲器具有32×n位的容量的配置， 并且根据时钟控制，用于从时间t到时间t + 1进行状态改变的状态变换部分（状态变换函数）使用两次非线性函数F（具有n位输入和n位输出），或 分别有两种不同的非线性函数F和G。 状态变换部具有对加密安全性和实现充分评估的块密码的循环函数等非线性函数。

公开(公告)号：US07110545B2

公开(公告)日：2006-09-19

申请号：US09784254

申请日：2001-02-16

申请人： Soichi Furuya ,  Kazuo Takaragi ,  Hiroyuki Kurumatani ,  Masashi Takahashi ,  Kunihiko Miyazaki ,  Hisayoshi Sato ,  Dai Watanabe

发明人： Soichi Furuya ,  Kazuo Takaragi ,  Hiroyuki Kurumatani ,  Masashi Takahashi ,  Kunihiko Miyazaki ,  Hisayoshi Sato ,  Dai Watanabe

IPC分类号： H04L9/28

CPC分类号： H04L9/0822 ,  H04L9/0625 ,  H04L9/0637 ,  H04L9/0662 ,  H04L9/3236 ,  H04L2209/125 ,  H04L2209/20 ,  H04L2209/38

摘要： A symmetric-key cryptographic technique capable of realizing both high-speed cryptographic processing having a high degree of parallelism, and alteration detection. The invention includes dividing plaintext composed of redundancy data and a message to generate plaintext blocks each having a predetermined length, generating a random number sequence based on a secret key, generating a random number block corresponding to one of the plaintext blocks from the random number sequence, outputting a feedback value obtained as a result of operation on the one plaintext blocks and the random number block, the feedback value being fed back for using in the operation on another plaintext blocks, and performing an encryption operation using the one plaintext blocks, random number block, and feedback value.

摘要翻译： 一种对称密钥加密技术，能够实现具有高度并行性和改变检测的高速密码处理。 本发明包括划分由冗余数据组成的明文和消息，以产生每个具有预定长度的明文块，根据秘密密钥产生一个随机数序列，从随机数序列中产生一个对应于明文块的随机数块 输出作为对一个明文块和随机数块的操作结果获得的反馈值，反馈值被反馈以在对另一个明文块的操作中使用，并且使用一个明文块进行加密操作，随机 数字块和反馈值。

公开(公告)号：US06934842B2

公开(公告)日：2005-08-23

申请号：US09801748

申请日：2001-03-09

申请人： Chikashi Okamoto ,  Kazuo Takaragi ,  Yasuko Fukuzawa

发明人： Chikashi Okamoto ,  Kazuo Takaragi ,  Yasuko Fukuzawa

IPC分类号： G06K19/07 ,  G06K17/00 ,  G06K19/10 ,  G06Q10/00 ,  G06Q10/08 ,  G06Q50/00 ,  G06Q50/28 ,  H04L9/00 ,  G06F11/30

CPC分类号： G06K17/00 ,  G06Q10/087

摘要： An identification code management method and management system includes that the issue and distribution of an ID code having a message authentication code are managed thereby to efficiently and reliably manage a material object using the ID code. An electronic circuit chip with an ID code having a message authentication code stored in a read-only area is used as an identification tag. The information at an ID code order receiving terminal and an identification tag production factory terminal are consolidated and collectively managed at an ID code management terminal. Thereby, the ID code management terminal is inquired of highly confidential information or requested to process the information as required so that an ID code utilization terminal is not required to store the same information.

摘要翻译： 识别代码管理方法和管理系统包括管理具有消息验证码的ID代码的发行和分发，从而有效且可靠地使用ID代码来管理物料对象。 使用具有存储在只读区域中的具有消息认证码的ID码的电子电路芯片作为识别标签。 在ID码管理终端中，将ID码订单接收终端和识别标签生成工厂终端的信息合并统一管理。 由此，向ID码管理终端询问高度机密信息，或者根据需要请求处理该信息，使ID码利用终端不需要存储相同的信息。

公开(公告)号：US5280583A

公开(公告)日：1994-01-18

申请号：US938593

申请日：1992-09-03

申请人： Yoshiyuki Nakayama ,  Kenjiro Mori ,  Kazuo Takaragi ,  Singi Domen

发明人： Yoshiyuki Nakayama ,  Kenjiro Mori ,  Kazuo Takaragi ,  Singi Domen

IPC分类号： G06F3/033 ,  G06F3/048 ,  G06F3/14 ,  G06Q10/10 ,  H04L12/18 ,  H04M3/56 ,  H04Q11/04 ,  G06F13/14

CPC分类号： H04Q11/0435 ,  G06F3/0481 ,  G06F3/1454 ,  G06Q10/10 ,  H04L12/1813 ,  H04M3/567 ,  H04Q2213/093 ,  H04Q2213/174 ,  H04Q2213/206

摘要： A plurality of work stations each imparted with a multi-window control function are interconnected through an integrated service digital network (ISDN), wherein control communication route is established among a plurality of stations between which interlocutory communication are to be performed. The work stations transfer control commands by way of the control communication route in accordance with operation by users under the control of an interlocution control program to thereby establish or disconnect a logical communication route between designated application programs of the work stations. So long as the logical communication route is established, the application programs can execute data processing in cooperation with each other. In that case, identical change of display in the windows corresponding to the application programs, respectively, takes place in the work stations. User can perform conference or document edition processing by designating the position of data of concern by a pointing object while conducting conversation by using a telephone set installed at the work station.

摘要翻译： 各个赋予多窗口控制功能的多个工作站通过综合业务数字网（ISDN）互连，其中，在要执行非正常通信的多个站之间建立控制通信路由。 工作站根据控制通信路由，根据用户在交互控制程序控制下的操作来传送控制命令，从而建立或断开工作站的指定应用程序之间的逻辑通信路由。 只要建立了逻辑通信路由，应用程序可以彼此协作地执行数据处理。 在这种情况下，在工作站中分别进行与应用程序相对应的窗口中相同的显示变化。 用户可以通过使用安装在工作站的电话机进行通话来指定指示对象所关注的数据的位置来执行会议或文档编辑处理。

公开(公告)号：US5117458A

公开(公告)日：1992-05-26

申请号：US606898

申请日：1990-10-31

申请人： Kazuo Takaragi ,  Ryoichi Sasaki ,  Tsutomu Nakamura ,  Minoru Koizumi ,  Yasuko Fukuzawa ,  Kenji Kataoka

发明人： Kazuo Takaragi ,  Ryoichi Sasaki ,  Tsutomu Nakamura ,  Minoru Koizumi ,  Yasuko Fukuzawa ,  Kenji Kataoka

IPC分类号： H04L9/08

CPC分类号： H04L9/0833 ,  H04L2209/601

摘要： An information service system including a plurality of receiving stations and information service facilities. The information service facilities include a memory circuit which stores beforehand a distribution destination information set of receiving station identifiers allocated to the receiving stations, distribution destination information set being disposed in a predetermined order within the memory circuit, a memory circuit for storing a plurality of information to be supplied to receiving stations, an enciphering circuit for generating an enciphering key for optical receiving stations within a group which performs broadcast communications, and enciphering the service information with the enciphering key, and a circuit for transmitting the enciphered service information and service destination codes of service destination receiving stations encoded from the distribution destination information set, through broadcast communications. Each receiving station includes a memory circuit for storing beforehand its own identifier and the distribution destination information set of the group which performs broadcast communications, a receiver unit for receiving the enciphered service information and the service destination codes from the information service facilities, and a deciphering circuit for generating a deciphering key corresponding to the distribution destination information set in accordance with the received service destination codes and the corresponding, and previously stored distribution destination information, only when the own identifier of the receiving station is contained in the service destination codes, and the deciphering the enciphered service information with the deciphering key.

摘要翻译： 一种包括多个接收站和信息服务设施的信息服务系统。 信息服务设备包括预先存储分配给接收站的接收站标识符的分配目的地信息集合的存储电路，存储电路内以预定顺序设置的分发目的地信息集，存储多个信息的存储电路 提供给接收站的加密电路，用于产生用于执行广播通信的组内的光接收站的加密密钥和用加密密钥加密服务信息的加密密钥，以及用于发送加密服务信息和服务目的地代码的电路 通过广播通信从分发目的地信息集合编码的服务目的地接收站。 每个接收站包括用于预先存储其自己的标识符和执行广播通信的组的分发目的地信息集的存储器电路，用于从信息服务设施接收加密服务信息和服务目的地代码的接收器单元，以及解密 电路，用于仅当所述接收站的自身标识符包含在所述服务目的地代码中时才产生与根据所接收的服务目的地代码和所述相应的和预先存储的分发目的地信息所设定的分发目的地信息相对应的解密密钥，以及 用解密密钥对加密的服务信息进行解密。

公开(公告)号：US5103479A

公开(公告)日：1992-04-07

申请号：US618892

申请日：1990-11-27

申请人： Kazuo Takaragi ,  Fusao Nakagawa ,  Ryoichi Sasaki

发明人： Kazuo Takaragi ,  Fusao Nakagawa ,  Ryoichi Sasaki

IPC分类号： G09C1/00 ,  H04L9/06

CPC分类号： H04L9/0625

摘要： There are provided an encipher method of enciphering message data made by a microcomputer or the like at a high speed by using encipher keys which have previously been stored in a smart card or the like and a decipher method of deciphering the ciphertext made by the encipher method at a high speed by using the encipher keys. The encipher method and the decipher method are suitable for, particularly, a 32-bit microcomputer and include a process expressed by the function Rot.sub.2 i(x) (i=2, 3, 4) in each process. Rot.sub.2 i(x) is the process to circular shift a data train x of 32 bits to the left or right by 2.sup.i bits (i=2, 3, 4).

公开(公告)号：US4982429A

公开(公告)日：1991-01-01

申请号：US343808

申请日：1989-04-27

申请人： Kazuo Takaragi ,  Fusao Nakagawa ,  Ryoichi Sasaki

发明人： Kazuo Takaragi ,  Fusao Nakagawa ,  Ryoichi Sasaki

IPC分类号： G09C1/00 ,  H04L9/06

CPC分类号： H04L9/0625

摘要： There are provided an encipher method of enciphering message data made by a microcomputer or the like at a high speed by using encipher keys which have previously been stored in a smart card or the like and a decipher method of deciphering the ciphertext made by the encipher method at a high speed by using the encipher keys. The encipher method and the decipher method are suitable for, particularly, a 32-bit microcomputer and include a process expressed by the function Rot.sub.2 i(x) (i=2, 3, 4) in each process. Rot.sub.2 i(x) is the process to circular shift a data train x of 32 bits to the left or right by 2.sup.i bits (i=2, 3, 4).

摘要翻译： 提供了一种通过使用先前已经存储在智能卡等中的加密密钥来高速地加密由微计算机等进行的消息数据的加密方法以及解密由加密方法制成的密文的解密方法 通过使用加密密钥高速。 加密方法和解密方法特别适用于32位微计算机，并且包括在每个处理中由函数Rot2i（x）（i = 2,3,4）表示的处理。 Rot2i（x）是将32位的数据序列x向左或向右循环移位2i位（i = 2,3,4）的过程。

公开(公告)号：US07549208B2

公开(公告)日：2009-06-23

申请号：US10687753

申请日：2003-10-20

申请人： Chikashi Okamoto ,  Kazuo Takaragi ,  Kazutaka Tsuji ,  Mitsuo Usami ,  Chizuko Yasunobu ,  Asahiko Sobe ,  Yasuhiro Tsunemi ,  Hiroyuki Yagi

发明人： Chikashi Okamoto ,  Kazuo Takaragi ,  Kazutaka Tsuji ,  Mitsuo Usami ,  Chizuko Yasunobu ,  Asahiko Sobe ,  Yasuhiro Tsunemi ,  Hiroyuki Yagi

IPC分类号： H01Q17/00

CPC分类号： G06K19/07747 ,  G06K19/07718 ,  G06K19/07745 ,  G06K19/07749 ,  H01L2924/0002 ,  H01L2924/3511 ,  Y10T29/49018 ,  H01L2924/00

摘要： In a method of mounting a planar electronic circuit chip onto a flexible sheet together with another planar electronic element, the electronic circuit part and the another electric element are selected so that the planar surface of the another electric element is greater than the planar surface of the electronic circuit chip, and the another electric element and the electronic circuit chip are mounted on the sheet so that the planar surface of the another electric element and the planar surface of the electronic circuit chip are in parallel with the sheet surface, and the planer surface of the electronic circuit chip is accommodated within the planar surface of the another electric element as viewed in a direction perpendicular to the sheet surface.

摘要翻译： 在将平面电子电路芯片与另一平面电子元件一起安装在柔性片材上的方法中，选择电子电路部件和另一个电气元件，使得另一个电气元件的平坦表面大于 电子电路芯片，另一个电子元件和电子电路芯片安装在片材上，使得另一个电子元件的平面和电子电路芯片的平面与片材表面平行，并且平面 的电子电路芯片在垂直于片材表面的方向上被容纳在另一电气元件的平面内。