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    • 21. 发明授权
    • Detection of home network configuration problems
    • 检测家庭网络配置问题
    • US07881231B2
    • 2011-02-01
    • US12371481
    • 2009-02-13
    • Tin QianDavid ThalerAri Pekka Niikkonen
    • Tin QianDavid ThalerAri Pekka Niikkonen
    • H04L12/28H04L12/56G06F9/26G06F9/34
    • H04L67/16H04L12/2809H04L29/12367H04L41/0869H04L41/22H04L61/2514H04L69/18
    • A diagnostic tool for identifying a configuration of a private network that may disrupt operations involving communication between two devices on the network. The tool, when run on a device in the network, can identify a “double NAT” configuration in which the device may be separated from other devices on the private network by a NAT device. The tool, when run on a computing device, identifies a NAT device, such as a router, to which the device is connected. The tool then identifies a list containing one or more other devices that may be connected to the NAT device. The tool tests whether these other devices also perform NAT functions and are on the private network. Both the NAT device and the devices that may be connected to the NAT device are identified and a determination is made of whether those devices are on the private network by sending requests using one or more protocols that devices on a private network conventionally use but are not conventionally used by devices on other networks.
    • 用于识别专用网络的配置的诊断工具,其可能中断涉及网络上的两个设备之间的通信的操作。 该工具在网络中的设备上运行时可以识别“NAT”配置,其中设备可以由NAT设备与专用网络上的其他设备分离。 该工具在计算设备上运行时识别设备连接到的NAT设备(如路由器)。 然后,该工具识别包含可能连接到NAT设备的一个或多个其他设备的列表。 该工具测试这些其他设备是否也执行NAT功能并在专用网络上。 识别NAT设备和可能连接到NAT设备的设备,并且通过使用私有网络上的设备常规使用但不是使用一个或多个协议来发送请求来确定这些设备是否在专用网络上 常规用于其他网络上的设备。
    • 25. 发明申请
    • Methods and Systems for Unilateral Authentication of Messages
    • 消息单向认证的方法和系统
    • US20070061574A1
    • 2007-03-15
    • US11555573
    • 2006-11-01
    • Art ShelestDavid ThalerGregory O'SheaMichael RoeBrian Zill
    • Art ShelestDavid ThalerGregory O'SheaMichael RoeBrian Zill
    • H04L9/00
    • H04L9/3247H04L2209/60H04L2209/805
    • Disclosed is an authentication mechanism that enables an information recipient to ascertain that the information comes from the sender it purports to be from. This mechanism integrates a private/public key pair with selection by the sender of a portion of its address. The sender derives its address from its public key, for example, by using a hash of the key. The recipient verifies the association between the address and the sender's private key. The recipient may retrieve the key from an insecure resource and know that it has the correct key because only that key can produce the sender's address in the message. The hash may be made larger than the sender-selectable portion of the address. The recipient may cache public key/address pairs and use the cache to detect brute force attacks and to survive denial of service attacks. The mechanism may be used to optimize security negotiation algorithms.
    • 公开了一种认证机制,其使得信息接收者能够确定信息来自其看来是来自的发送者。 该机制将私钥/公钥对与发送方的地址的一部分进行选择进行集成。 发件人从其公钥中导出其地址,例如通过使用密钥的散列。 收件人验证地址和发件人私钥之间的关联。 收件人可以从不安全的资源中检索密钥,并且知道它具有正确的密钥,因为只有该密钥可以在消息中产生发送者的地址。 可以使该散列大于地址的发送者可选部分。 收件人可以缓存公共密钥/地址对,并使用缓存来检测暴力攻击并生存拒绝服务攻击。 该机制可用于优化安全协商算法。