专利名称：DATA DISTRIBUTION
发明人：BRISCOE, Robert, JohnHome Farm申请号：EP00946183.1申请日：20000720公开号：EP1197031A1公开日：20020417
摘要：In a data distribution system, data is divided into a number of application dataunits. A sequence of keys is generated systematically, and a different key is used toencrypt each data unit at the source. At the receivers, corresponding keys are generatedand used to decrypt the data units to gain access to the data. The constructions used togenerate the keys are such that an intrinsically limited subset of the entire sequence ofkeys is made available to the user by communicating a selected combination of one ormore seed values.
申请人：BRITISH TELECOMMUNICATIONS public limited company
地址：81 Newgate Street London EC1A 7AJ GB
国籍：GB
代理机构：Nash, Roger William
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