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1 工作原理1.1 引言MA4422型整体加密机(BEU)是高速数据加密装置,我们设计的这一装置是用于联接信号混合器和传送设备的。我们称之为“整体”加密机,是因为它加密多路信号,因此是整体地加密多路输入,而不是逐一地进行。设计MA4422密码机是为了全双工操作和数据加密,该数据符合国际电报电话咨询委员会(CCITT)的G732规定。该机也符合国际电报电话咨询委员会的G732及英国电信技术手册第49号的规定。该机的传输速率为2048千位/秒,用于加密高速点与点数据信道,
1 Theory of Operation 1.1 Introduction The MA4422 Integrated Encryption Unit (BEU) is a high-speed data encryption device designed for use with signal mixers and transmission equipment. We call this a “whole” encryption machine because it encrypts multiple signals, so it encrypts multiple inputs as a whole, rather than on a one-by-one basis. Designed for full-duplex operation and data encryption, the MA4422 cipher machine complies with the G732 requirements of the International Telegraph and Telephone Consultative Committee (CCITT). The aircraft also complies with the International Telegraph and Telephone Consultative Committee G732 and British Telecommunications Technical Manual No. 49 requirements. The machine’s transmission rate of 2048 kilobits / second, used to encrypt high-speed point and point data channel,