Cryptographic system for on-line system
专利汇可以提供Cryptographic system for on-line system专利检索，专利查询，专利分析的服务。并且PURPOSE: To enhance the security of cryptography against interception of a specific channel in a digital communication line by decomposing a transmission text over plural channels ciphered in time series, sending the result and combining the texts into a reception text after the reception.
CONSTITUTION: In the case of data communication through a digital communication line, since an input information string is communicated through channels in time division, the string is divided into plural information strings. That is, an input information string 'abcd' is divided into 4 information strings 'a', 'b', 'c', 'd'. In the Figure a prescribed period is divided into 4 channels and the divided information strings 'a', 'b', 'c', 'd' are sent through the channels 1, 1, 1, 1 over the 4 periods, and in the case of reception, the information strings of channel numbers 1, 3, 2, 3 are extracted to combine the input information string of 'abcd'. Since the channel number used for the communication is not specific to each period, the channel number is used as time series cryptographic information in the communication system. Thus, intercept of a text is prevented.
COPYRIGHT: (C)1991,JPO&Japio，下面是Cryptographic system for on-line system专利的具体信息内容。
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