Intelligent remote course management system and method
A technology for management systems and courses, applied in transmission systems, digital transmission systems, office automation, etc., can solve problems such as low management efficiency, easy management errors, and little significance, and achieve intelligent management, efficient and convenient communication , the effect of improving safety
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Embodiment 1
[0022] Such as figure 1 As shown, an intelligent remote course management system, the system includes: multiple teacher terminals, multiple student terminals, management terminals, encryption terminals and data terminals; the encryption terminal is independent of the teacher terminal, student terminal, and management terminal With the data terminal, the data transmitted between the teacher terminal, the student terminal, the management terminal and the data terminal is encrypted; the data terminal is used to transmit and upload notification information to the teacher terminal corresponding to the course before the course starts; corresponding to the course The teacher terminal is used to connect to the data terminal after receiving the upload notification information, and upload the teaching documents and exercises corresponding to the course, so that the data terminal sends the preview notification information to each student terminal corresponding to the course, wherein, The...
Embodiment 2
[0026] On the basis of the previous embodiment, the encryption end includes: a loop processing unit. For a multi-level stack table, the public key is input into the stack table at the primary stage to generate a subkey. After the second level, the previous level The generated sub-key is input to the stack table and generates a new sub-key; the output unit, for each of the above-mentioned sub-keys generated at the level of all or part of the above-mentioned cyclic processing unit, all bits of the sub-key Or a part of it is output as the above-mentioned extended key after it is subjected to a predetermined conversion process; the above-mentioned loop processing unit, in all stages or a part of the stack table sequence that is a plurality of stack tables subordinately connected, according to The order of the stages of this stack table sequence imposes stack tables of a plurality of stages consecutive from the primary stage, wherein in this stack table sequence it is set that when ...
Embodiment 3
[0033] On the basis of the previous embodiment, when the output unit uses the above-mentioned subkey to output the above-mentioned extended key, for the subkey, only using the Select the portion of the corresponding subkey.
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