Encryption and decryption application method and device and medium

The invention relates to the technical field of data encryption, and particularly provides an encryption and decryption application method which is applied to market supervision data center structured data and comprises the following steps: S1, defining an encryption model; s2, identifying encrypted data; s3, storing encrypted data; and S4, encrypted data reading. Compared with the prior art, the data security of the data center is enhanced, the data security can also be enhanced under the condition of database information leakage, and the data encryption and decryption method is convenient for development and implementation personnel to use. 本发明涉及数据加密技术领域，具体提供了一种加密解密应用方法，应用于市场监管数据中心结构化数据，具有如下步骤：S1、定义加密模型；S2、加密数据识别；S3、加密数据保存；S4、加密数据读取。与现有技术相比，本发明增强了数据中心数据安全性，在数据库信息泄露的情况下也能够增强数据的安全性，通过了数据加密和解密的方法，方便开发实施人员的使用。