本文叙述了保密通信领域的有害电磁辐射问题。抑制、监视、排除有害辐射是设计、实施保密通信系统必须考虑的一个因素。1.概述一个敏感的重要信息无论从政府部门发出还是从军事指挥当局发出均要通过几种媒介物下达,其中主要是人—机。对通信保密来说,人—包括密码系统的设计、制造人员,维护使用专职机要人员等,这主要由人事部门审查解决。而另一个是机器—保密机 This article describes the issue of harmful electromagnetic radiation in the field of confidential communications. Suppression, surveillance, and elimination of harmful radiation are factors that must be considered when designing and implementing a secure communications system. 1. Overview A sensitive and important piece of information sent out by either the government or the military command authority is to be released through several intermediaries, mainly man-machine. For communications confidentiality, people - including the design of the cryptosystem, the manufacturing staff, the maintenance and use of specialized confidential personnel, etc., are mainly examined and solved by the personnel department. The other is the machine - security machine