发明名称 SECURE CLOCK
摘要 <p>Apparatus comprising a secure time element comprising a timing device that outputs to a plurality of delay devices, wherein the delay devices have characteristic delay times which are alterable as a result of a tampering attempt to tamper therewith, and wherein a characteristic delay time of one of the delay devices changes differently from another one of the delay devices as a result of the tampering attempt.</p>
申请公布号 WO2004092932(A1) 申请公布日期 2004.10.28
申请号 WO2003IL00315 申请日期 2003.04.15
申请人 NDS LIMITED;SMITH, PERRY 发明人 SMITH, PERRY
分类号 G06F1/00;G06F21/72;H04N;H04N7/16;H04N7/167;(IPC1-7):G06F1/00 主分类号 G06F1/00
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