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US08577037B1 Pipelined packet encapsulation and decapsulation for temporal key integrity protocol employing arcfour algorithm 有权
使用arcfour算法的时间密钥完整性协议的流水线封包和解封装

Pipelined packet encapsulation and decapsulation for temporal key integrity protocol employing arcfour algorithm
Abstract:
A network device includes an input circuit and a key mixing circuit. The input circuit is configured to receive i) a message and ii) a plurality of packets from a transmitting device. The message includes i) an address of the transmitting device and ii) a predetermined value for a count. Each of the plurality of packets i) is encapsulated and ii) includes the address of the transmitting device and one of a plurality of values for the count. The message is received prior to receiving the plurality of packets. The key mixing circuit is configured to generate a plurality of seeds based on the message. Each of the plurality of seeds is based on i) a predetermined key, ii) the address of the transmitting device, and iii) the predetermined value for the count. The plurality of seeds is used to decapsulate the plurality of packets.
Abstract(Chinese):

网络设备包括输入电路和密钥混合电路。 输入电路被配置为从发送设备接收i）消息和ii）多个分组。 消息包括i）发送设备的地址，以及ii）计数的预定值。 多个分组i）中的每个分组i）被封装，并且ii）包括发送设备的地址以及用于计数的多个值中的一个。 在接收到多个分组之前接收该消息。 密钥混合电路被配置为基于该消息生成多个种子。 多个种子中的每一个基于i）预定密钥，ii）发送设备的地址，以及iii）计数的预定值。 多个种子用于解封装多个分组。

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