Information security encryption method and device

The invention discloses an information security encryption method. The method comprises the following steps: S1, constructing an encryption model according to an information encryption requirement; s2, receiving the data information, and judging whether the received data information conforms to preset confidentiality setting content or not according to an encryption model; s3, setting an obfuscation rule and a restoration rule, and performing obfuscation processing on the encrypted target text according to the obfuscation rule; s4, enabling the user to input decryption information; s5, obtaining decryption information of the user and verifying the decryption information. The invention further provides an information security encryption device which comprises an encryption model generationmodule, an information acquisition module, an information input module, an analysis and judgment module, an encryption module, a decryption information input module, an identity verification module, astorage module, a decrypt