Self-Certified Signatures

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dc.contributor.authorLee, Byoungcheon-
dc.contributor.authorKim, Kwangjo-
dc.description.abstractA digital signature provides the authenticity of a signed message with respect to a public key and a certificate provides the authorization of a signer for a public key. Digital signature and certificate are generated independently by different parties, but they are verified by the same verifier who wants to verify the signature. In the point of a verifier, verifying two independent digital signatures (a digital signature and the corresponding certificate) is a burden. In this paper we propose a new digital signature scheme called self-certified signature. In this scheme a signer computes a temporary signing key with his long-term signing key and its certification information together, and generates a signature on a message and certification information using the temporary signing key in a highly combined and unforgeable manner. Then, a verifier verifies both signer's signature on the message and related certification information together. This approach is very advantageous in efficiency. We extend the proposed self-certified signature scheme to multi-certification signature in which multiple certification information are verified. We apply it to public key infrastructure (PKI) and privilege management infrastructure (PMI) environments.en
dc.description.sponsorshipWe would like to thank anonymous reviews for their valuable comments, which help to make this paper more readable one.en
dc.subjectDigital signatureen
dc.subjectPublic keyen
dc.subjectMessage passingen
dc.titleSelf-Certified Signaturesen
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CS-Journal Papers(저널논문)
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