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    • 4. 发明授权
    • Digital data processor with two operation units
    • 具有两个操作单元的数字数据处理器
    • US4532589A
    • 1985-07-30
    • US446002
    • 1982-12-01
    • Yoichi ShintaniKenichi WadaTsuguo ShimizuAkira Yamaoka
    • Yoichi ShintaniKenichi WadaTsuguo ShimizuAkira Yamaoka
    • G06F9/38G06F9/00
    • G06F9/3889G06F9/3824G06F9/3836G06F9/3885
    • In a data processing apparatus executing a plurality of instructions in a pipeline mode by dividing each of the instructions into a plurality of stages, its operation circuit includes a first execution (E) unit capable of execution of operations required by all of the plural instructions and a second E unit capable of execution of operations required by part of the plural instructions only. A queue of data including decoded information of the instructions required for execution of operation stages are stored in a circuit to be selectively supplied by first and second circuits to the first and second E units, respectively. The first and second circuits sequentially select succeeding data in synchronism with the end of operations in the first and second E units respectively. As a result, when a stage of a succeeding instruction requires the result of operation of a preceding instruction being executed, that stage of the succeeding instruction is executed after the second E unit completes the operation of the preceding instruction, even when the first E unit is executing an instruction further preceding the preceding instruction.
    • 在通过将每个指令分成多个级来执行流水线模式的多个指令的数据处理装置中,其操作电路包括能够执行所有多个指令所需的操作的第一执行(E)单元,以及 能够执行多个指令的一部分所需的操作的第二E单元。 包括执行操作阶段所需指令的解码信息的数据队列被存储在电路中,以分别由第一和第二电路选择性地提供给第一和第二E单元。 第一和第二电路分别顺序地选择与第一和第二E单元中的操作结束同步的后续数据。 结果,当后续指令的阶段需要执行前一指令的操作结果时,即使在第一E单元完成了第二E单元完成前一指令的操作之后,执行后续指令的该阶段 正在执行进一步在前面的指令之前的指令。
    • 8. 发明申请
    • System, method and computer program product for conducting a secure transaction via a network
    • 用于通过网络进行安全交易的系统,方法和计算机程序产品
    • US20050209975A1
    • 2005-09-22
    • US10805017
    • 2004-03-18
    • Wilson SoYoichi ShintaniTomohisa Kohiyama
    • Wilson SoYoichi ShintaniTomohisa Kohiyama
    • G06F21/00G06Q20/00H04L29/06G06F17/60
    • H04L63/0464G06F21/606G06F2221/2115G06F2221/2153G06Q20/02G06Q20/38215G06Q20/3829H04L63/0823H04L63/0853H04L2463/102
    • A system, method and computer program product for conducting a secure transaction via a network is disclosed. Coupled to a network are a first site and a terminal for permitting a user to perform a first portion of a transaction at the first site via the network. A second site is also coupled to the network for performing a second portion of the transaction which requires the use of personal data of the user. The second site is contacted by the first site via the network to perform the second portion of the transaction. In response, the second site transmits a certificate for verifying the identity of the second site to the terminal via the network. After the terminal authenticates the certificate, the second site then transmits a request for the personal data to the terminal via the network. A secure device associated with the user is coupled to the terminal. The secure device contains an encrypted version of the personal data and a first key for decrypting the encrypted personal data. In response to the request for personal data, the secure device provides the terminal with the encrypted personal data and the first key. The terminal decrypts the encrypted personal data using the first key, re-encrypts the decrypted personal data with a second key, and then transmits the re-encrypted personal data to the second site via the network.
    • 公开了一种用于通过网络进行安全交易的系统,方法和计算机程序产品。 耦合到网络的是第一站点和终端,用于允许用户经由网络在第一站点执行交易的第一部分。 第二站点也耦合到网络以执行需要使用用户的个人数据的事务的第二部分。 第二站点通过网络与第一站点联系,以执行交易的第二部分。 作为响应,第二站点通过网络向终端发送用于验证第二站点的身份的证书。 在终端认证证书后,第二站点经由网络向终端发送个人数据请求。 与用户相关联的安全设备耦合到终端。 安全设备包含个人数据的加密版本和用于解密加密的个人数据的第一密钥。 响应于对个人数据的请求,安全设备向终端提供加密的个人数据和第一密钥。 终端使用第一密钥解密加密的个人数据,用第二密钥重新加密解密的个人数据,然后经由网络将重新加密的个人数据发送到第二站点。