A multimedia security broadcast control system and method

Abstract

The present invention proposes a multimedia security broadcast control system and method. The system includes: a cloud platform, a multimedia terminal and an authentication server; the cloud platform includes an information processing module and a first security module, and the information processing module generates corresponding The broadcast control file, the first security module calculates the digest value in the multimedia information and the broadcast control file, and signs the digest value; the multimedia terminal includes a broadcast control module and a second security module, and the broadcast control module receives the Sign the broadcast control file, and play the multimedia information after the signature information and the digest value are verified, and the second security module verifies the multimedia information and the broadcast control file, and performs digest value verification after the signature verification is passed; the authentication server is used to Safely issue digital certificates to the first security module of the cloud platform and the second security module of the multimedia terminal. The invention can effectively prevent multimedia information from being illegally intercepted, tampered with and forged during the publishing process.

Description

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

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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