发明名称 PIN RECOVERY IN A SMART CARD
摘要 <p>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. The method involves recovering or restoring a PIN or password. The comparison of the questions is performed on the card via JAVA applets (Java Card). The information of the card is hashed or signed digitally.</p>
申请公布号 WO2006068670(A1) 申请公布日期 2006.06.29
申请号 WO2005US26602 申请日期 2005.07.27
申请人 RSA SECURITY INC.;JUELS, ARI;CULBERTSON, RYAN;DOHERTY, ANDREA;KOCHARYAN, ARMENIA 发明人 JUELS, ARI;CULBERTSON, RYAN;DOHERTY, ANDREA;KOCHARYAN, ARMENIA
分类号 G07F7/10;G06F21/00 主分类号 G07F7/10
代理机构 代理人
主权项
地址