发明名称 |
IC CHIP FOR PREVENTING IDENTIFICATION KEY LEAK AND AUTHORIZATION METHOD THEREOF |
摘要 |
<p>Disclosed are an IC chip for preventing identification key leak and an authorization method thereof. An IC chip capable of performing a financial function includes: a PIN supply unit for supplying a PIN used for authorization when performing a financial function using the IC chip; and a blocking unit for physically blocking the gap between the PIN supply unit and an input-output interface when the PIN is supplied to the outside through the input-output interface at an initial access of the IC chip.</p> |
申请公布号 |
EP2741239(A4) |
申请公布日期 |
2015.04.08 |
申请号 |
EP20110870389 |
申请日期 |
2011.08.10 |
申请人 |
ICTK CO., LTD. |
发明人 |
KIM, DONG KYUE;CHOI, BYONG DEOK;KIM, DONG HYUN;PARK, SANG SEON;JEE, KWANG HYUN |
分类号 |
G06K19/07;G06K17/00;G06K19/073;H04L9/32 |
主分类号 |
G06K19/07 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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