发明名称 COMPUTER-READABLE MEDIUM WITH MICROPROCESSOR TO CONTROL READING AND COMPUTER ARRANGED TO COMMUNICATE WITH SUCH A MEDIUM
摘要 Computer-readable medium provided with a memory area ( 2; 26, 28 ) for storing data and a distinct microprocessor ( 3 ) having a communication interface ( 4 ), a memory unit ( 7 ) and a processor unit ( 5 ) connected to both the communication interface ( 4 ) and the memory unit ( 7 ). The data may include a first data portion which is arranged to be read and decrypted by a computer arrangement ( 11 ) provided at least one condition is met, and the microprocessor ( 3 ) being arranged to generate at least one cryptographic key once the condition is met that is necessary to decrypt the data. The invention is also directed to a computer arrangement arranged to communicate with such a medium.
申请公布号 EP1236201(B1) 申请公布日期 2007.11.14
申请号 EP19990958515 申请日期 1999.12.07
申请人 SUN MICROSYSTEMS INC. 发明人 DE JONG, EDUARD, KAREL
分类号 G06K19/00;G11B20/00;G06F1/00;G06F21/10;G06F21/72;G06F21/80;G06K17/00;G06K19/06;G06K19/10;G06Q50/00;G11B20/10;G11B23/30;H04L9/08;H04L9/32 主分类号 G06K19/00
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