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

Claim 21:
22. The electronic signature authentication method based on biometric information of claim 21, further comprising:
registering signer information, biometric information for user identification, and a handwritten signature for document confirmation, generating a public key and the private key of the signer based on the registered biometric information for user identification, and registering the public key of the signer to the authentication server,
upon receiving a request for the electronic signature, performing a signer authentication by receiving biometric information for user identification from the signer and comparing the received biometric information for user identification with the registered biometric information for user identification;
when the signer authentication is completed, providing signer identification information for acquiring the public key of the signer based on the biometric information for user identification to the electronic document device; and
upon receiving a request from the electronic document device, receiving a handwritten signature for document confirmation to be combined to the electronic document, comparing the received handwritten signature for document confirmation with the registered handwritten signature for document confirmation, and providing the handwritten signature for document confirmation to the electronic document device if the received handwritten signature for document confirmation matches the registered handwritten signature.