发明名称 |
BUILT-IN DEVICE WITH FAULT ATTACK COUNTERMEASURE FUNCTION |
摘要 |
<p>A cryptographic processing device, comprising: a storage unit; initial setting unit for setting a value to be stored in the storage unit; Montgomery modular multiplication operation unit for performing a Montgomery modular multiplication operation plural times for a value set by the initial setting unit; and fault attack detection unit for determining whether or not a fault attack occurred for each of at least some parts of the Montgomery modular multiplication operations performed plural times.</p> |
申请公布号 |
EP2138990(A1) |
申请公布日期 |
2009.12.30 |
申请号 |
EP20070736909 |
申请日期 |
2007.03.19 |
申请人 |
FUJITSU LIMITED |
发明人 |
FURUKAWA, KAZUYOSHI;ITOH, KOUICHI;TAKENAKA, MASAHIKO |
分类号 |
G09C1/00;G06F7/72 |
主分类号 |
G09C1/00 |
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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