Multimedia security broadcast control system and method

Abstract

The invention provides a multimedia security broadcast control system and method. The system comprises a cloud platform, a multimedia terminal and an authentication server, the cloud platform comprises an information processing module and a first security module, the information processing module generates a corresponding broadcast control file according to the uploaded multimedia information, andthe first security module performs abstract value calculation on the multimedia information and the broadcast control file and performs signature processing on an abstract value; the multimedia terminal comprises a broadcast control module and a second security module, the broadcast control module receives the signature broadcast control file issued by the cloud platform and plays the multimediainformation after the signature information and the abstract value pass the verification, and the second security module performs signature verification on the multimedia information and the broadcastcontrol file and performs abstract value verification after the signature verification is passed; and the authentication server is used for securely signing and issuing a digital certificate to the first security module of the cloud platform and the second security module of the multimedia terminal. According to the invention, the multimedia information can be effectively prevented from being illegally intercepted, tampered and forged in the publishing process.

Description

technical field [0001] The invention relates to the technical field of multimedia play management, in particular to a multimedia safe play control system and method. Background technique [0002] At present, the use of advertising media systems is becoming more and more extensive. There are more and more advertising playback devices (such as LED screens) in buses, buildings, elevators, outdoors and other places. Advertising playback devices broadcast different information every day. However, with the rapid expansion of the market, the influence of the security threats caused by it is getting wider and wider. Once the broadcast media information is maliciously interfered, tampered with or even replaced, it will have a bad influence on the public audience media, and even affect social stability. At the same time, whether the content played by the advertising playback equipment is legal and orderly, and whether it will be tampered with by outside criminals to play some illegal...

AI Technical Summary

Problems solved by technology

However, with the rapid expansion of the market, the influence of the security threats caused by it is getting wider and wider. Once the broadcast media information is maliciously interfered, tampered with or even replaced, it will have a bad influence on the public audience media, and even affect social stability

At the same time, whether the content played by the advertising playback equipment is legal and orderly, and whether it will be tampered with by outside criminals to play some illegal content; Video files that violate the company's interests and national laws, these possible risks are unbearable for advertising media companies

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