Hierarchical marked distortion-preventing system
A tamper-proof and labeling technology, which is applied in the field of Internet information security supervision system, can solve the problem of label security that has not attracted the attention of developers and designers, and achieve the effect of ensuring authenticity and reliability
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[0021] The technical method is applied in the hierarchical management system for the application unit—China Shanghai Dongfang.com in the National Information Security Demonstration Project (S219). Its implementation flow chart is attached figure 1 .
[0022] As shown in the figure, the information issuer 15 includes a tag generation module 1 that accepts the original page content 7, and a hash algorithm module 2 that accepts the page content 8, and they respectively generate tag data 9 and hash data 10, which are sent together into character superposition The device 3 performs calculation processing to generate a superimposed character string 11, and then sends the superimposed character string 11 to the digital signature module to form a signature for the two data 9, 10, and the information issuing terminal 15 sends the data stream 12 to the information receiving terminal 16.
[0023] The aforementioned data stream 12 includes 1) original information content, ie original pag...
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