发明授权
- 专利标题： Portable data carrier having an operating error counter
- 专利标题（中）： 具有操作错误计数器的便携式数据载体
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申请号： US13820804申请日： 2011-09-08
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公开(公告)号： US08984660B2公开(公告)日： 2015-03-17
- 发明人: Oliver Gibis
- 申请人： Oliver Gibis
- 申请人地址： DE Munich
- 专利权人： Giesecke & Devrient GmbH
- 当前专利权人： Giesecke & Devrient GmbH
- 当前专利权人地址： DE Munich
- 代理机构： Workman Nydegger
- 优先权： DE102010044687 20100908
- 国际申请： PCT/EP2011/004530 WO 20110908
- 国际公布： WO2012/031761 WO 20120315
- 主分类号： G06F7/04
- IPC分类号： G06F7/04 ; G06F11/00 ; G06F12/14 ; G06F11/30 ; G06F21/78 ; G06F21/55 ; G06F21/71 ; G06F21/86 ; G06K19/073
摘要：
A method in a portable data carrier for safeguarding the data carrier against external attacks on the data carrier, wherein at least one counter is employed in the data carrier. A specified command is safeguarded such that it is executed by the data carrier only when the at least one counter lies in a specified values range. The at least one counter is decremented before an execution of the command and incremented only when the command has been executed without interruption. The at least one counter here is settable multiple times, in particular even after the issuance of the data carrier to a user.
公开/授权文献
- US20130174283A1 PORTABLE DATA CARRIER HAVING AN OPERATING ERROR COUNTER 公开/授权日：2013-07-04
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