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형태보존암호를 이용한 보안 QR 코드 스캔 시스템 구현
최승혁(Seunghyeok Choi),조경욱(Kyungwook Cho),한태희(Taehui Han),변연희(Yeonhui Byeon),이선영(Sun-Young Lee) 한국정보기술학회 2023 한국정보기술학회논문지 Vol.21 No.4
QR codes, one of the ways to convey information, can contain a lot of information, but there are security problems such as Qshing(QR Code Phishing). QR codes with added security functions are needed to prevent security problems caused by malicious QR codes such as Qshing. Therefore, In this paper, we propose a secure QR code scanning system using Format-Preserving Encryption. In the proposed system, the QR codes are encrypted and decrypted in the process of generating and scanning. After generating the encrypted QR code, the encryption key is delivered to the database of the scanned server and used to scan the QR code. In the proposed system, QR codes are encrypted in the process of generation, thereby preventing hacking caused by malicious QR codes and preventing the forgery of publicly exposed QR codes to improve integrity and confidentiality. In addtion, it shows similar performance compared to general QR code scanning systems.