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    Mobile communication device and data communication method using the same
    1.
    发明授权
    Mobile communication device and data communication method using the same 有权
    移动通信设备和数据通信方法使用相同

    公开(公告)号：US07016681B2

    公开(公告)日：2006-03-21

    申请号：US10040786

    申请日：2002-01-09

    申请人： Koichi Hata ,  Munehito Matsuda ,  Kiyoshi Ogishi ,  Hiromi Wada ,  Atsunobu Kato

    发明人： Koichi Hata ,  Munehito Matsuda ,  Kiyoshi Ogishi ,  Hiromi Wada ,  Atsunobu Kato

    IPC分类号： H04Q7/20 ,  G06F3/00 ,  G06F17/60

    CPC分类号： H04W88/06 ,  G06Q30/0217 ,  G06Q30/0236 ,  G06Q30/0238 ,  G06Q30/0239

    摘要： A mobile communication device that flexibly supports various services which utilize both Internet communications and short-distance wireless communications. An instruction data receiving section receives instruction data indicating a protocol in which a set of data exchanges are to be performed. An instruction data analysis section analyzes the received instruction data, and controls a reception switching section and a transmission switching section based on a result of the analysis. The reception switching section receives data from either an Internet reception section or a short-distance wireless reception section under the control of the instruction data analysis section. The transmission switching section outputs data to either an Internet transmission section or a short-distance wireless transmission section under the control of the instruction data analysis section.

    摘要翻译： 一种移动通信设备，其灵活地支持利用互联网通信和短距离无线通信的各种服务。 指令数据接收部分接收指示要执行一组数据交换的协议的指令数据。 指令数据分析部分分析所接收的指令数据，并根据分析结果控制接收切换部分和传输切换部分。 接收切换部分在指令数据分析部分的控制下从互联网接收部分或短距离无线接收部分接收数据。 传输切换部分在指令数据分析部分的控制下将数据输出到因特网传输部分或短距离无线传输部分。

    Key sharing method, secret key generating method, common key generating method and cryptographic communication method in ID-NIKS cryptosystem
    2.
    发明授权
    Key sharing method, secret key generating method, common key generating method and cryptographic communication method in ID-NIKS cryptosystem 有权
    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。