Method for activating and executing secured functions in a communication system
摘要
<p>In a communication system having a function or performance feature to be protected, the periodic transmission of encoded interrogation information is initiated by a security routine to ensure that the function or performance feature is protected. The protected function is activated and further-executed only if reply information which is also encoded is received from a connected crypto-unit in a predetermined time span after a transmission of the interrogation information.</p>
申请公布号
EP0782350(A3)
申请公布日期
2000.05.17
申请号
EP19960119028
申请日期
1996.11.27
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
LUKAS, GUENTHER, ING.;RAMBERGER, FRIEDRICH, ING.;GIESE, PETER, ING.;SPAHL, SIEGFRIED, ING.