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    Method and system for a PKI-based delegation process
    1.
    发明授权
    Method and system for a PKI-based delegation process 失效
    基于PKI的委托过程的方法和系统

    公开(公告)号：US08340283B2

    公开(公告)日：2012-12-25

    申请号：US10881978

    申请日：2004-06-30

    申请人： Anthony Joseph Nadalin ,  Bruce Arland Rich ,  Xiaoyan Zhang

    发明人： Anthony Joseph Nadalin ,  Bruce Arland Rich ,  Xiaoyan Zhang

    IPC分类号： H04L29/06

    CPC分类号： H04L63/02 ,  H04L9/006 ,  H04L9/0825 ,  H04L9/3213 ,  H04L9/3247 ,  H04L9/3268 ,  H04L63/0807 ,  H04L63/0823 ,  H04L2209/76 ,  H04L2463/062

    摘要： A client generates a session key and a delegation ticket containing information for a requested delegation operation. The client generates a first copy of the session key and encrypts it using a public key of a proxy. The client generates a second copy of the session key and encrypts it using a public key of a server. The client then puts the encrypted session keys and delegation ticket into a first message that is sent to the proxy. The proxy extracts and decrypts its copy of the session key from the first message. The proxy then encrypts a proof-of-delegation data item with the session key and places it and the delegation ticket along with the encrypted copy of the session key for the server into a second message, which is sent to the server. The server extracts and decrypts its copy of the session key from the second message and uses the session key to obtain the proof-of-delegation data. Authority is successfully delegated to the proxy only if the server can verify the proof-of-delegation data.

    摘要翻译： 客户端生成会话密钥和包含所请求的委派操作的信息的委托票证。 客户端生成会话密钥的第一个副本，并使用代理的公钥对其进行加密。 客户端生成会话密钥的第二个副本，并使用服务器的公钥对其进行加密。 然后，客户端将加密的会话密钥和委派票证放入发送到代理的第一条消息中。 代理从第一条消息中提取并解密会话密钥的副本。 然后，代理使用会话密钥对代理证件数据项进行加密，并将其和委托凭证以及服务器的会话密钥的加密副本一起放入发送到服务器的第二个消息中。 服务器从第二个消息中提取和解密其会话密钥的副本，并使用会话密钥获取授权证明数据。 只有当服务器可以验证授权证明数据时，才将成功委托给代理。

    Method and system for certification path processing
    2.
    发明授权
    Method and system for certification path processing 失效
    认证路径处理方法和系统

    公开(公告)号：US07444509B2

    公开(公告)日：2008-10-28

    申请号：US10855728

    申请日：2004-05-27

    申请人： Anthony Joseph Nadalin ,  Bruce Arland Rich ,  Xiaoyan Zhang

    发明人： Anthony Joseph Nadalin ,  Bruce Arland Rich ,  Xiaoyan Zhang

    IPC分类号： H04L9/00

    CPC分类号： H04L9/3263 ,  H04L2209/56 ,  H04L2209/60

    摘要： A method, an apparatus, a system, and a computer program product are presented for validating certificates. A certificate validation service receives a certificate validation request for a target certificate from a client, thereby allowing the client to offload certificate validation tasks into an online certificate validation service that is accessible and sharable by multiple components within a data processing system. In response to a determination that the target certificate is valid or invalid, the certificate validation service sends a certificate validation response with an indicating status value that the target certificate is valid or invalid. The certificate validation service is able to cache information about previously validated certificates and the associated certificate chains, thereby enhancing the efficiency of the service. Different certificate validation policies may be applied against target certificates based upon information associated with the target certificates.

    摘要翻译： 提供了验证证书的方法，装置，系统和计算机程序产品。 证书验证服务从客户端接收目标证书的证书验证请求，从而允许客户端将证书验证任务卸载到可由数据处理系统内的多个组件访问和共享的在线证书验证服务。 响应于目标证书有效或无效的确定，证书验证服务发送具有目标证书有效或无效的指示状态值的证书验证响应。 证书验证服务能够缓存有关以前验证的证书和关联的证书链的信息，从而提高服务的效率。 可以根据与目标证书相关的信息，针对目标证书应用不同的证书验证策略。

    Method and apparatus for time synchronization in a network data processing system
    3.
    发明授权
    Method and apparatus for time synchronization in a network data processing system 有权
    网络数据处理系统中时间同步的方法和装置

    公开(公告)号：US07818562B2

    公开(公告)日：2010-10-19

    申请号：US12129490

    申请日：2008-05-29

    申请人： Bruce Arland Rich ,  Xiaoyan Zhang

    发明人： Bruce Arland Rich ,  Xiaoyan Zhang

    IPC分类号： H04L29/06 ,  H04L9/32

    CPC分类号： H04L9/3297 ,  H04J3/0667 ,  H04L9/083 ,  H04L9/12

    摘要： A method, apparatus, and computer implemented instructions for synchronizing time in a network data processing system. A request for time synchronization is received at a target data processing system. A current target time at the target data processing system is placed in a reply. The reply is sent to the source data processing system. A current source time from when the reply is received at the source data processing system is compared to the current target time to generate a comparison. A synchronization factor is generated using the comparison.

    摘要翻译： 一种用于在网络数据处理系统中同步时间的方法，装置和计算机实现的指令。 在目标数据处理系统处接收到时间同步请求。 在目标数据处理系统中的当前目标时间被放置在回复中。 答复发送到源数据处理系统。 从源数据处理系统接收到应答的当前源时间与当前目标时间进行比较以生成比较。 使用比较生成同步因子。

    Method and Apparatus for Time Synchronization in a Network Data Processing System
    4.
    发明申请
    Method and Apparatus for Time Synchronization in a Network Data Processing System 有权
    网络数据处理系统中时间同步的方法与装置

    公开(公告)号：US20080244094A1

    公开(公告)日：2008-10-02

    申请号：US12129490

    申请日：2008-05-29

    申请人： Bruce Arland Rich ,  Xiaoyan Zhang

    发明人： Bruce Arland Rich ,  Xiaoyan Zhang

    IPC分类号： G06F15/177

    CPC分类号： H04L9/3297 ,  H04J3/0667 ,  H04L9/083 ,  H04L9/12

    摘要： A method, apparatus, and computer implemented instructions for synchronizing time in a network data processing system. A request for time synchronization is received at a target data processing system. A current target time at the target data processing system is placed in a reply. The reply is sent to the source data processing system. A current source time from when the reply is received at the source data processing system is compared to the current target time to generate a comparison. A synchronization factor is generated using the comparison.

    摘要翻译： 一种用于在网络数据处理系统中同步时间的方法，装置和计算机实现的指令。 在目标数据处理系统处接收到时间同步请求。 在目标数据处理系统中的当前目标时间被放置在回复中。 答复发送到源数据处理系统。 从源数据处理系统接收到应答的当前源时间与当前目标时间进行比较以生成比较。 使用比较生成同步因子。

    DATA ACQUIRED SYSTEM AND CT APPARATUS USING THE SAME
    6.
    发明申请
    DATA ACQUIRED SYSTEM AND CT APPARATUS USING THE SAME 有权
    使用数据采集系统和CT设备

    公开(公告)号：US20120243661A1

    公开(公告)日：2012-09-27

    申请号：US13427380

    申请日：2012-03-22

    申请人： Jun Guo ,  Xiaoyan Zhang ,  Hailiang Liu ,  Zhuo Liu ,  Ashutosh Joshi

    发明人： Jun Guo ,  Xiaoyan Zhang ,  Hailiang Liu ,  Zhuo Liu ,  Ashutosh Joshi

    IPC分类号： H05G1/02 ,  H05K13/00 ,  A61B6/03

    CPC分类号： A61B6/035 ,  A61B6/4266 ,  A61B6/4488 ,  Y10T29/49002

    摘要： A data acquired system is provided. The data acquired system includes a main structure with a cavity formed therein, the cavity having a bottom for mounting a circuit board with electrical components thereto, a fan assembly disposed on the main structure, and an airflow guide disposed within the cavity and configured to guide airflow from the fan assembly for heat dissipation of the electrical components, the airflow guide positioned at a distance above the electrical components to form a gap between the airflow guide and the electrical components, wherein a sidewall of the cavity is provided with an air vent corresponding to the gap such that the airflow passes through the gap and is discharged from the air vent.

    摘要翻译： 提供数据采集系统。 数据采集​​系统包括其中形成有空腔的主结构，空腔具有用于安装具有电气部件的电路板的底部，设置在主结构上的风扇组件，以及布置在空腔内并构造成引导 来自风扇组件的气流用于电气部件的散热，气流引导器定位在电气部件上方一段距离处，以在气流引导件和电气部件之间形成间隙，其中空腔的侧壁设置有对应于 到间隙，使得气流通过间隙并从排气口排出。

    SELF ADJUSTING BEARING USED ON CT GANTRY
    7.
    发明申请
    SELF ADJUSTING BEARING USED ON CT GANTRY 有权
    自动调整轴承用于CT GANTRY

    公开(公告)号：US20120148013A1

    公开(公告)日：2012-06-14

    申请号：US13315090

    申请日：2011-12-08

    申请人： Xiaoyan Zhang ,  Hailiang Liu ,  Zhuo Liu ,  Xuyong Yang ,  Xueli Wang

    发明人： Xiaoyan Zhang ,  Hailiang Liu ,  Zhuo Liu ,  Xuyong Yang ,  Xueli Wang

    IPC分类号： H05G1/02 ,  F16C13/06 ,  A61B6/03

    CPC分类号： A61B6/4435 ,  A61B6/03 ,  A61B6/44 ,  A61B6/4447 ,  F16C13/04 ,  F16C19/507 ,  F16C2300/14 ,  F16C2316/10

    摘要： A self adjusting bearing for use on a CT gantry is provided. The self adjusting bearing is configured to be mounted on a main frame of the CT gantry and is configured to support a rotating base of the CT gantry wherein the self adjusting bearing includes a roller, a first component, and a second component, the roller is configured to support the rotating base and is rotatably mounted on the first component, the second component is configured to be mounted on the main frame, and the first component and the second component are configured to rotatably engage each other such that they can rotate relative to each other during the mounting of the self adjusting bearing.

    摘要翻译： 提供了一种用于CT龙门架的自调节轴承。 所述自调节轴承被配置为安装在所述CT机架的主框架上，并且被配置为支撑所述CT机架的旋转底座，其中所述自调节轴承包括辊，第一部件和第二部件，所述辊是 被配置为支撑所述旋转底座并且可旋转地安装在所述第一部件上，所述第二部件构造成安装在所述主框架上，并且所述第一部件和所述第二部件被构造成可旋转地彼此接合，使得它们可相对于 在安装自调节轴承期间彼此相对。