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    • 2. 发明授权
    • Security device and method
    • 安全设备和方法
    • US06986057B1
    • 2006-01-10
    • US09644031
    • 2000-08-22
    • James P. CuseyHal Kurkowski
    • James P. CuseyHal Kurkowski
    • H04L9/00H04L9/32H04K1/00G06F11/30G06F12/14
    • G07F7/1008G06Q20/341G06Q20/4097G07F7/0866
    • A security device is disclosed. In one embodiment, the security device includes a memory device comprising having a first memory portion configured to store a device ID; and a second memory portion configured to store a device secret. The security device further includes a processor connected to the memory device wherein the processor is configured to read the stored device ID from the first memory portion and the stored device secret from the second memory portion and perform a nonreversible computation using the stored device ID, the stored device secret, and a challenge as seeds. Additionally, the security device includes a communication circuit connected to the processor, the communication circuit configured to receive the challenge from a host device and to communicate a result of the nonreversible computation performed by the processor.
    • 公开了一种安全装置。 在一个实施例中,安全设备包括存储器设备,包括具有被配置为存储设备ID的第一存储器部分; 以及被配置为存储设备秘密的第二存储器部分。 安全设备还包括连接到存储器设备的处理器,其中处理器被配置为从第一存储器部分读取所存储的设备ID和从第二存储器部分读取所存储的设备密码,并使用存储的设备ID执行不可逆计算, 存储设备的秘密,和挑战作为种子。 此外,安全装置包括连接到处理器的通信电路,通信电路被配置为从主机设备接收挑战并传送由处理器执行的不可逆计算的结果。