Title:
ELECTRONIC TICKET SYSTEM, ENTRY AUTHENTICATION DEVICE, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/085416
Kind Code:
A1
Abstract:
This electronic ticket system comprises a portable information processing terminal 7, an electronic ticket sale management device 1, and an entry authentication device 3. In each of the portable information processing terminal 7 and the entry authentication device 3, secret values (1), (2) are hashed, and furthermore, authentication codes (1), (2) that include the hashed secret values (1), (2) are hashed. The hashed authentication codes (1), (2) are verified against each other. Falsification of electronic tickets can be effectively prevented by applying the hashing process in two stages.
Inventors:
ENDOU MASANOBU (JP)
NISHI SHIGEHIRO (JP)
NISHI SHIGEHIRO (JP)
Application Number:
PCT/JP2022/042171
Publication Date:
May 19, 2023
Filing Date:
November 14, 2022
Export Citation:
Assignee:
BOARDWALK INC (JP)
International Classes:
H04L9/32; G06F21/36; G06Q20/40; G06Q50/10; G07B11/00
Foreign References:
| JP2005182295A | 2005-07-07 | |||
| JP2014508989A | 2014-04-10 |
Attorney, Agent or Firm:
SEVEN COLOR PATENT FIRM (JP)
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