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METHOD AND SYSTEM FOR TRANSMITTING WITH ACCESS CONTROL OF DIGITTED DIGITAL DATA IN A DATA EXCHANGE NETWORK
METHOD AND SYSTEM FOR TRANSMITTING WITH ACCESS CONTROL OF DIGITTED DIGITAL DATA IN A DATA EXCHANGE NETWORK
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机译:数据交换网络中数字化数字数据访问控制的传输方法和系统
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摘要
The invention relates to a controlled-access method of transmitting digital data to at least one terminal which is connected to a data exchange network (2). The inventive method is characterised in that it consists in: scrambling the data to be transmitted using a control word CW; generating a digital sequence S for the terminal (4) which is calculated according to a first random datum ALEA1 and a datum that is distinctive of the terminal in the network; calculating at least one specific digital key K for the terminal (4) according to the digital sequence S and the control word CW; and transmitting the corresponding specific digital key K to the terminal (4).
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