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US07461399B2 PIN recovery in a smart card 有权
智能卡中的PIN恢复

PIN recovery in a smart card
摘要:
A method of controlling access to resources on a smart card, the method involving: providing a list of n questions for presentation to the user, where n is an integer; receiving from the user answers to questions among the list of n questions; determining how many of the received answers are correct; and if a sufficient number of the n questions was answered correctly, granting access to the resources on the smart card.
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