Electronic device and control method thereof

An electronic device comprising:

• a communication interface including circuitry;
• and
• a processor, based on receiving biometric information, configured to control the electronic device to:
• perform a first encryption process on the biometric information to generate ID information, perform a second encryption process on the biometric information to generate password information, and
• control the communication interface to transmit the generated ID information and password information to an external server.

A method of controlling an electronic device comprising:

• storing ID information and password information based on receiving the ID information generated by performing a first encryption process on biometric information and the password information generated by performing a second encryption process on the biometric information from an external electronic device;
• based on receiving first ID information and first password information from the external electronic device, acquiring at least one candidate ID information from the stored ID information based on the first ID information based on receiving first ID information and first password information from the external electronic device, and comparing password information corresponding to each of the acquired at least one candidate ID information with the first password information to identify one of the candidate ID information;
• and
• performing user authentication based on the identified candidate ID information and corresponding password information.