Network education resource encryption and tracing system and method

A technology for online education and resources, applied in the field of encryption and traceability of online educational resources, it can solve the problems of difficulty in preventing legitimate users from disseminating educational resources, and inability to deal with the leakage of internal legal personnel.

Inactive Publication Date: 2018-02-23
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common disadvantages of these three methods are that they cannot deal with the leakage of internal legal per...

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  • Network education resource encryption and tracing system and method
  • Network education resource encryption and tracing system and method
  • Network education resource encryption and tracing system and method

Examples

Experimental program
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Embodiment Construction

[0040] An encryption and traceability system for network educational resources, including a network server, the network server is provided with a user management module, a question bank, an authorization center, and a key generation and storage module;

[0041] The user management module is used to manage user registration;

[0042] The question bank is used to save the questions uploaded by users;

[0043] The authorization center is used to authorize users to modify the title of educational resources;

[0044] The key generating and saving module is used for generating and saving keys, and the keys are RSA key pairs.

[0045] An encryption and traceability method for network education resources. Users register on a network server, and the key generation and storage module generates different RSA key pairs for different users. The key to decrypt and edit the questions uploaded by oneself. Users who are not the original authors of the questions can decrypt and edit other peo...

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PUM

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Abstract

The invention discloses a network education resource encryption and tracing system and method. The system comprises a network server, wherein the network server is provided with a user management module, a question bank and an authorization center. The method comprises the following steps: a key generation and storage module generates different RSA key pairs for different users, the users encryptquestions through keys and upload the encrypted questions to the question bank, the users decrypt and edit the questions that are uploaded by the users through the keys, the users who are not originalauthors of the questions decrypt and edit the questions of other users through permissions of the authorization center, the edited new questions are encrypted again through the keys and uploaded to the question bank, and the number of times of editing education resources is recorded at the same time to facilitate tracing. According to the system and method disclosed by the invention, the dissemination of the education resources performed by legitimate users can be effectively avoided, the leakage of the education resources can be avoided to a great extent, a question bank website sends the education resources to the users in the form of ciphertext, and the ciphertext can only be decrypted into a plaintext for use by using the unique private key held by the user.

Description

technical field [0001] The invention relates to the field of communication processing in digital information transmission, in particular to an encryption and traceability method for network educational resources. technical background [0002] Encryption, decryption, and traceability of educational resources are common information encryption and traceability issues in cryptography. Encryption and traceability of educational resources here specifically refer to a question in the general intelligent question bank system that is encrypted and uploaded after the process of generation, modification, upgrade and maintenance. It is a series of processes to read and use after deciphering, and to trace the evolution process of the topic. As an information resource shared among multiple users, educational resources have problems such as access to the same information by multiple users, as well as serving as an information provider and a third-party question bank system server other tha...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L9/08H04L9/30G06Q50/20
CPCG06Q50/205H04L9/0869H04L9/088H04L9/302H04L63/0442H04L63/10
Inventor 张烨董敏蒋美仙金寿松刘齐齐刘俊杨杜建超
Owner ZHEJIANG UNIV OF TECH
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