发明名称 Calculation of a masked value protected against spy out
摘要 <p>The method involves computing a masked table (T), whereby all predefined images (T 1,T 2) are entered into each table entry, and computing the masked result value, whereby the masked table and the at least one further image are evaluated. During computation of each entry in the masked table at least one input value of one of the defined images is determined depending on at least one input value of another of the predefined images. Independent claims are also included for the following: (A) a computer program product for implementing the inventive method (B) and a device, especially a portable data medium. For implementing the inventive method.</p>
申请公布号 EP1615098(A2) 申请公布日期 2006.01.11
申请号 EP20050014240 申请日期 2005.06.30
申请人 GIESECKE & DEVRIENT GMBH 发明人 NEISSE, OLAF, DR.;PULKUS, JUERGEN, DR.
分类号 G06F1/00 主分类号 G06F1/00
代理机构 代理人
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