Interpersonal non-contact identification system using wireless communication

Patent metadata

Field	Value
Publication number	US-12567979-B2
Application number	US-202118260864-A
Country	US
Kind code	B2
Filing date	Jan 12, 2021
Priority date	Jan 11, 2021
Publication date	Mar 3, 2026
Grant date	Mar 3, 2026

Abstract

A person-to-person non-face-to-face identity verification system using wireless communication is disclosed. The non-face-to-face identity verification system according to the present invention mutually exchanges a first certificate signed with a user identifier and a private key of a terminal user and a second certificate signed with a user identifier and a private key of a terminal user of a second terminal from the second terminal, verifies the received certificates with a public key of each terminal registered on on/off-chain, combines the verified certificate and a self-generated certificate to generate an integrated certificate. Accordingly, since the electronically signed confirmations are exchanged with each other and verified with public keys registered on the on/off-chain, it is possible to exchange the verified certificates non-face-to-face.

First claim

The invention claimed is:

1 . A person-to-person non-face-to-face identity verification apparatus using wireless communication, in which one or more of user registration information including user identifier, public key, copy of encryption key, and terminal identifier are registered on an off-chain or an on-chain, and which is operated for terminals in which the user registration information is registered to exchange electronically signed certificates, comprising:
a first terminal equipped with a first terminal control unit which generates a first certificate signed with a user identifier and a private key of a terminal user, transmits the first certificate to a second terminal through short range communication, receives a second certificate signed with a user identifier of a terminal user of the second terminal and a private key from the second terminal, and verifies the received second certificate with a public key of the second terminal registered on on/off-chain; and
a second terminal equipped with a second terminal control unit which generates a second certificate signed with a user identifier and a private key of a terminal user, transmits the second certificate to the first terminal through short range communication, receives the first certificate signed with a user identifier and the private key of the terminal user of the first terminal, and verifies the received first certificate with a public key of the first terminal registered on the on/off-chain,
wherein when the received second certificate is verified, the first terminal combines the first certificate and the verified second certificate to generate a co-signed integrated certificate, and when the received first certificate is verified, the second terminal combines the second certificate and the verified first certificate to generate a co-signed integrated certificate.

2 . The person-to-person non-face-to-face identity verification apparatus using wireless communication according to claim 1 , wherein the first or second terminal includes:
a wireless communication module; a user app unit which keeps a certificate, a private key, and an original encryption key in the terminal, verifies a received certificate with a public key of the other terminal registered on the on/off-chain, and is operated to transmit the certificate signed with the user identifier of the terminal and the private key to the other terminal through the wireless communication module; and a control unit which combines, when the certificate transmitted from the other terminal in the user app unit is verified, the certificate signed with the user identifier generated in the terminal and the private key and the verified certificate received from the other terminal, and controls a terminal display unit to display the co-signed certificate of each terminal.

3 . The person-to-person non-face-to-face identity verification apparatus using wireless communication according to claim 2 , wherein the user app unit includes:
an encryption key management module which manages encryption keys; a personal information management module which receives an encryption key from the encryption key management module and encrypts and decrypts personal information; and an identity certificate management module which receives personal information from the personal information management module at the time of generating a first or second certificate, receives a private key from the encryption key management module, generates an electronically signed certificate, and is operated to receive or transmit the electronically signed first or second certificate through the wireless communication module.

4 . The person-to-person non-face-to-face identity verification apparatus using wireless communication according to claim 3 ,
wherein when the integrated certificate is a class attendance certificate, the first terminal is a terminal possessed by a student and the second terminal is a terminal possessed by a professor, wherein the first terminal generates an attendance configuration including a subject name, a student number, and a student's name, electronically signs the attendance confirmation, transmits the attendance confirmation to the second terminal through the wireless communication module, receives a professor confirmation including a school name, a subject name, class date and time, and a professor's name electronically signed in the second terminal, verifies the professor confirmation with a public key of the corresponding professor, and combines the attendance confirmation and the professor confirmation to generate a class attendance certificate when the verification is completed, and wherein the second terminal generates a professor confirmation including a school name, a subject name, class date and time, and a professor's name, electronically signs the professor confirmation, transmits the professor confirmation to the first terminal through the wireless communication module, receives the attendance confirmation with electronic signature attached from the first terminal, verifies the attendance confirmation with a public key of the corresponding student, and combines the attendance confirmation and the professor confirmation to generate a class attendance certificate when the verification is completed.

5 . The person-to-person non-face-to-face identity verification apparatus using wireless communication according to claim 3 ,
wherein when the integrated certificate is an event attendance certificate, the first terminal is a terminal possessed by an attendee and the second terminal is a terminal possessed by an organizer, wherein the first terminal generates an attendance confirmation including an event name, an attendee workplace name, and an attendee's name, electronically signs the attendance confirmation, transmits the attendance confirmation to the second terminal through the wireless communication module, receives an organizer confirmation including an event name, an event period, and an organizer's name electronically signed in the second terminal, verifies the organizer confirmation with a public key of the corresponding organizer, and combines the attendance confirmation and the organizer confirmation to generate an event attendance certificate when the verification is completed, and wherein the second terminal generates an organizer confirmation including an event name, an event period, and an organizer's name, electronically signs the organizer confirmation, transmits the organizer confirmation to the first terminal through the wireless communication module, receives the attendance confirmation with electronic signature attached from the first terminal, verifies the attendance confirmation with a public key of the corresponding attendee, and combines the organizer confirmation and the attendance confirmation to generate an event attendance certificate when the verification is completed.

6 . The person-to-person non-face-to-face identity verification apparatus using wireless communication according to claim 3 ,
wherein when the integrated certificate is a meeting attendance certificate, the first terminal is a terminal possessed by an attendee and the second terminal is a terminal possessed by an organizer, wherein the first terminal generates an attendance confirmation including a meeting name and a member's name, electronically signs the attendance confirmation, transmits the attendance confirmation to the second terminal through the wireless communication module, receives an organizer confirmation including a meeting name, meeting date and time, and an organizer's name electronically signed in the second terminal, verifies the organizer confirmation with a public key of the corresponding organizer, and combines the attendance confirmation and the organizer confirma

Assignees

• Univ Soonchunhyang Ind Acad Coop Found
• Univ Industry Foundation Of Seoul Univ Of Foreign Studies

Inventors

• Park Keun Dug
• Youm Heung Youl

Classifications

• H04L2209/80

  Wireless · CPC title

• H04L9/50

  using hash chains, e.g. blockchains or hash trees · CPC title

• H04L9/0877

  using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM] · CPC title

• H04L9/0825

  using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates · CPC title

• G06F21/33

  using certificates · CPC title