A Strong Designated Verifiable DL Based Signcryption Scheme
공학 > 전자공학
( Sujata Mohanty ) , ( Banshidhar Majhi )
JIPS(Journal of Information Processing Systems) 2012년, 제8권 제4호, 567~574페이지(총8페이지)
52808079.pdf [무료 PDF 뷰어 다운로드]
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    This paper presents a strong designated verifiable signcryption scheme, in which a message is signcrypted by a signcryptor and only a specific receiver, who called a "designated verifier", verifies it using his own secret key. The scheme is secure, as an adversary can not verify the signature even if the secret key of the signer is compromised or leaked. The security of the proposed scheme lies in the complexity of solving two computationally hard problems, namely, the Discrete Logarithm Problem (DLP) and the Integer Factorization Problem (IFP). The security analysis of the scheme has been done and it is proved that, the proposed scheme can withstand an adaptive chosen ciphertext attack. This scheme can be very useful in organizations where there is a need to send confidential documents to a specific recipient. This scheme can also be applicable to real life scenarios, such as, e-commerce applications, e-banking and e-voting.
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