我国历代统治者都十分重视秘密公文的传递。因为在整个保密工作中,公文传递是重要一环,也是其秘密价值能否实现的关键。 历代秘密公文传递方式的发展经历了一个漫长的过程,且与生产力和科学技术的发展水平密不可分。 远在殷商至西周王朝,人们在一定距离设烽火台,以烽火狼烟传递军情。这是中国古代军事通信的一项发明。但是,烽火台只能传递简短、约定的秘密信息,如果使用文字下达密令,或者将复杂、具体 The rulers of all ages in our country have paid great attention to the transmission of secret documents. Because in the entire work of confidentiality, document delivery is an important part, but also the key to its secret value can be achieved. The development of secret document delivery in the past dynasties has undergone a long process and is closely linked with the development of productivity and science and technology. Far from the Shang Dynasty to the Western Zhou dynasty, people set up beacon towers at a distance and relay military intelligence to the beacon of fire. This is an invention of ancient Chinese military communications. However, beacon towers can only deliver brief, agreed-upon, confidential information that can be either complicated or specific