Method and device for sending digital television signal data based on alternative text combination
A technology of a digital TV signal and data transmission method, which is applied to secure communication devices, encryption devices with shift registers/memory, digital transmission systems, etc. The effect of realizing fine control, improving security and information security
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[0049] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0050] refer to figure 1 , the embodiment of the present application provides a digital television signal data transmission method based on substitution text combination, which is applied to a digital television signal transmission end, including:
[0051] S1. Obtain preset digital TV signal data, and call a preset key pair; wherein, the key pair includes a public key and a private key;
[0052] S2. Using the public key to encrypt the digital TV signal data to obtain encrypted data, send the encrypted data to the preset n digital TV signal receiving ends, and judge the re...
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