함수암호를 이용한 인증정보 Template 보호 기술
Authentication Template Protection Using Function Encryption
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초록
최근 생체정보, 위치정보 등이 다양한 디바이스 인증에 활용되고 있다. 그러나 이러한 인증정보 템플릿들은 평문형태로 안전한 저장공간(Trust Zone)에 저장 되거나 또는 인증서버에 암호문으로 저장된 인증정보를 인증요청시 복호화하여 평문형태에서 인증에 사용된다. 따라서 해킹에 의한 인증정보의 유출시 치명적인 프라이버시 문제가 발생할 수 있다. 본 논문에서는 함수암호를 이용하여 암호화된 상태에서 인증정보의 노출 없이 안전하게 인증할 수 있는방법을 제안한다.
Abstract
Recently, biometrics and location information are being used for authentication in many devices. However, theseinformation are stored as plaintext in safe device or, stored as ciphertext in authentication server it is used for authenticationin plaintext by decrypting. Therefore, the leakage of authentication information as well as hacking can cause fatal privacyproblems. In this paper, we propose a technique that can be authenticated without exposing authentication information tociphertext using function encryption.
참고문헌 (11)
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