Patent ID: 11917074
Assignee: SECUVE CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 1:
2. The electronic signature authentication system based on biometric information of claim 1, wherein the user device comprises:
a biometric authentication module configured to register characteristic information extracted from biometric information of the signer and perform authentication of the electronic signature by comparing the received biometric information with the biometric information registered in advance,
a cryptographic module configured to generate the private key and the public key of the signer based on the characteristic information of one or more biometric information registered in advance, generate the electronic signature value based on the private key of the signer, and generate the encryption data by encrypting the generated electronic signature value; and
a storage module configured to store the registered biometric information and the private key and the public key of the signer.