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    • 6. 发明申请
    • Cryptographically secure pseudo-random number generator
    • 密码安全的伪随机数发生器
    • US20070230694A1
    • 2007-10-04
    • US11509215
    • 2006-08-23
    • Gregory RoseAlexander GantmanLu Xiao
    • Gregory RoseAlexander GantmanLu Xiao
    • H04L9/22
    • G06F7/588G06F7/58H04L9/0662H04L2209/043H04L2209/24
    • A cryptographically secure pseudo-random number generator is configured to obtain one or more unpredictable sources of entropy that provide a seed. A current internal state of the number generator is modified as a function of the current internal state and the seed to accumulate entropy. The modified internal state may be obtained by using non-linear feedback shift register operations on the internal state and the seed. A pseudo-random number is then generated based on the modified internal state of the number generator. The one or more unpredictable sources of entropy may be combined into the seed. The internal state of the number generator may be continually modified with additional seeds obtained from the one or more unpredictable sources and the current internal state. Additionally, the internal state of the number generator may be modified on demand with a new seed received from a calling application.
    • 密码安全的伪随机数发生器被配置为获得提供种子的一个或多个不可预知的熵源。 数字发生器的当前内部状态被修改为当前内部状态和种子以累积熵的函数。 可以通过对内部状态和种子使用非线性反馈移位寄存器操作来获得修改的内部状态。 然后基于数字发生器的修改的内部状态生成伪随机数。 一个或多个不可预测的熵源可以组合到种子中。 可以使用从一个或多个不可预测的源获得的附加种子和当前的内部状态来连续修改号码发生器的内部状态。 此外,可以根据需要修改号码发生器的内部状态,并从呼叫应用程序接收到新的种子。
    • 8. 发明授权
    • Method for establishing a wireless link key between a remote device and a group device
    • 用于在远程设备和组设备之间建立无线链路密钥的方法
    • US08555063B2
    • 2013-10-08
    • US12571014
    • 2009-09-30
    • Lu XiaoYong Jin KimZhanfeng JiaDavid Jonathan Julian
    • Lu XiaoYong Jin KimZhanfeng JiaDavid Jonathan Julian
    • H04L9/32
    • H04L63/105H04L63/065H04W12/04
    • Disclosed is a method for establishing a wireless link key between a remote device and a group device. In the method, the remote device obtains a group identifier from the group device, and determines whether the group device is associated with a group having a trust association with the remote device. When the group device is determined to be associated with a group having an established trust association with the remote device, the remote device forwards a link setup request to the group device for virtually pairing with the group device using the trust association to establish the wireless link key. When the group device is determined not to be associated with a group having an established trust association with the remote device, the remote device forwards a pairing request to the group device for pairing with the group device to establish the wireless link key.
    • 公开了一种用于在远程设备和组设备之间建立无线链路密钥的方法。 在该方法中,远程设备从组设备获取组标识符,并且确定组设备是否与具有与远程设备的信任关联的组相关联。 当组设备被确定为与具有与远程设备建立的信任关联的组相关联时,远程设备将链路建立请求转发到组设备,以使用信任关联与组设备虚拟配对以建立无线链路 键。 当确定组设备不与与远程设备建立的信任关联的组相关联时,远程设备将配对请求转发到组设备以与组设备配对以建立无线链路密钥。