Biometric System에서의 Privacy 보호 기술

  • 최경택 (연세대학교 전기전자공학부) ;
  • 박강령 (상명대학교 미디어학부) ;
  • 김재희 (연세대학교 전기전자공학부)
  • 발행 : 2005.12.01

초록

본 논문은 현재 생체인식에서의 큰 문제로 대두되고 있는 개인 정보(Privacy) 보호문제를 해결하기 위한 방법들을 소개하고 있다. 이를 위해서는 여러 가지 기술이 사용되는데, 우선 생체정보가 도난 되었을 경우 그 피해를 최소화하기 위해 원래의 생체정보를 저장하는 것이 아니라 변환된 생체정보를 저장하고 사용하는 생체정보 변환 기술을 소개한다. 또한 원래의 생체정보가 유출되어 이를 이용해 위조 생체 등을 만들어 공격할 경우를 대비할 수 있는 위조 생체 검출 기술을 소개하며, 생체정보의 유출된 출처를 찾기 위해 생체정보에 소유권 등을 표시하는 데이터 은닉 기법도 소개한다. 이 외에 생체정보를 이용하여 일반적인 암호화 알고리즘에 사용되는 키를 은닉하고 생체정보를 통해 인증된 사용자에 한하여 키를 사용하도록 하는 방법도 소개한다. 끝으로 이러한 개인 정보 보호 기술들을 이용하여 생체인식 시스템의 보안성을 향상시키는 방법에 대하여 논의한다.

키워드

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