Hard disk data security management device based on dual identity authentication

The invention discloses a hard disk data security management device based on dual identity authentication, including a fingerprint extraction module, a secret key generation module, a communication module, a verification module and an encryption and decryption module, wherein the fingerprint extracting module is used for extracting the fingerprint characteristic information of the user and sendingthe fingerprint characteristic information to the checking module, the secret key generation module is used for randomly generating a 16-bit eigenvector as a secret key, the communication module is used for acquiring the secret key stored in the smart card and sending the secret key to the verification module, the verification module is used for verifying the fingerprint characteristic information extracted by the fingerprint extraction module and the secret key obtained by the communication module, generating a verification result and sending the verification result to an encryption and decryption module, and the en