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Secure ID-based Strong Designated Verifier Signature Scheme Against Key-compromise Attack

키 노출 공격에 안전한 ID-기반의 강한 지정된 검증자 서명 기법

  • 이지선 (고려대학교 BK21 유비쿼터스 정보보호 사업단) ;
  • 장직현 (서강대학교 컴퓨터공학과) ;
  • 이동훈 (고려대학교 정보경영공학부)
  • Published : 2009.10.28

Abstract

A strong designated verifier signature scheme is a special type of signature scheme which provides signer anonymity by enabling the specified recipient, called a designated verifier, to simulate a signature which is indistinguishable from the signer's signature. It has many applications such as software distribution or electronic voting. In this paper, we consider two important security properties of strong designated verifier signature scheme - source hiding and security against key-compromise attack. We show that the two properties cannot be achieved at the same time. Finally, we present a new ID-based strong designated verifier signature scheme which is secure against key-compromise attack.

Keywords

Strong Designated Verifier Signature;ID-based Signature;Source Hiding;Key-compromise Attack

References

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