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    • 4. 发明授权
    • Throttle body with insert-molded member
    • 节气门体带嵌入成型件
    • US06722633B2
    • 2004-04-20
    • US10046305
    • 2002-01-16
    • Yutaka Kawai
    • Yutaka Kawai
    • F16K122
    • F02D9/104B29L2031/7506F02D9/107F05C2201/021Y10T137/6048Y10T137/7504Y10T137/8811
    • In a throttle body, a cylindrical body member is made of resin, and a core is made of a material different from the body member and insert molded in the body member. A notch is provided on an outer surface of the body in a peripheral direction, in a proximity of the core. The body member is readily split at the notch when external force is applied to the body member during a dismantling. Therefore, the core is readily removed from the body member. Alternatively, the body member can be constructed of a first body having a hook and a second body having a hook-receiving portion. Both the first and second bodies are connected to each other through the hook and the hook-receiving portion, and the core is held between both the first and second bodies. Thus, the core is readily removed from the body by unhooking the hook.
    • 在节气门体中,圆筒体由树脂构成,芯由与本体构件不同的材料制成,并嵌入模制在本体构件中。 在本体的外表面上,在芯部附近的周向设有切口。 拆卸时,当外力在主体部件上施加时,主体部件容易在切口处分开。 因此,芯体容易从主体部件移除。 或者,主体构件可以由具有钩的第一主体和具有钩接收部的第二主体构成。 第一和第二主体都通过钩和钩接收部彼此连接,并且芯保持在第一和第二主体之间。 因此,通过脱钩钩子容易地将芯体从身体移除。
    • 7. 发明授权
    • Cryptographic system, re-encryption key generation device, re-encryption device, cryptographic method, and cryptographic program
    • 加密系统,重新加密密钥生成设备,重新加密设备,加密方法和加密程序
    • US09344276B2
    • 2016-05-17
    • US14424109
    • 2013-01-16
    • Yutaka KawaiKatsuyuki Takashima
    • Yutaka KawaiKatsuyuki Takashima
    • H04L29/06H04L9/08H04L9/30H04L9/32
    • H04L9/0861H04L9/088H04L9/3073H04L9/3247H04L2209/76
    • It is an object to implement a functional proxy re-encryption scheme. A decryption device 300 transmits to a re-encryption device 400 a decryption key k*rk which is generated by converting, using conversion information W1, a decryption key k* in which is set one of attribute information x and attribute information v corresponding to each other, and encrypted conversion information ψrk which is generated by encrypting the conversion information W1 with one of attribute information x′ and attribute information v′ corresponding to each other being set. The re-encryption device 400 generates a re-encrypted ciphertext CT, constituted by a ciphertext crenc which is generated by setting at least one of additional information H and additional information Θ corresponding to each other in a ciphertext cenc in which is set the other one of the attribute information x and the attribute information v, and a decryption key k*renc which is generated by setting at least the other one of the additional information H and the additional information Θ in the decryption key k*rk.
    • 实现功能代理重新加密方案是一个对象。 解密装置300向重新加密装置400发送解密密钥k * rk,该解密密钥k * rk通过使用转换信息W1转换解密密钥k *,其中设置属性信息x中的一个和对应于每个属性信息的属性信息v 通过将属性信息x'和对应的属性信息v'之一设置为转换信息W1进行加密而生成的其他和加密转换信息ψrk。 重新加密装置400生成重新加密的密文CT,其由密文crenc构成,密文crenc是通过设置另一个密文cenc中的至少一个附加信息H和彼此对应的附加信息Θ来生成的 属性信息x和属性信息v以及通过在解密密钥k * rk中至少设置附加信息H和附加信息Θ中的另一个来生成的解密密钥k * renc。