AN EFFICIENT CERTIFICATELESS SIGNCRYPTION SCHEME IN THE STANDARD MODEL

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RASTEGARI PARVIN; BERENJKOUB MEHDI

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Journal: THE ISC INTERNATIONAL JOURNAL OF INFORMATION SECURITY Year:2017 | Volume:9 | Issue:1 Page(s): 3-16

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Title

AN EFFICIENT CERTIFICATELESS SIGNCRYPTION SCHEME IN THE STANDARD MODEL

Author(s)

RASTEGARI PARVIN | BERENJKOUB MEHDI | Issue Writer Certificate

Keywords

CERTIFICATELESS SIGNCRYPTION SCHEMEQ1

MALICIOUS-BUT-PASSIVE KEY GENERATION CENTER ATTACKQ1

PUBLIC KEY REPLACEMENT ATTACKQ2

RANDOM ORACLE MODELQ1

STANDARD MODELQ1

Abstract

Certificateless public key cryptography (CL-PKC) is a useful method in order to solve the problems of traditional public key infrastructure (i.e., large amount of computation, storage and communication costs for managing certificates) and ID-based public key cryptography (i.e., key escrow problem), simultaneously. A signcryption scheme is an important primitive in cryptographic protocols which provides the goals of signing and encrypting, simultaneously. In 2010, Liuet al.presented the first certificateless signcryption (CLSC) scheme in the STANDARD MODEL, but their scheme is vulnerable against di erent attacks presented in the literature, till now. In this paper, we improve their scheme and propose a new CLSC scheme, which is semantically secure against adaptive chosen ciphertext attack under the (S2; 5) -BDHE-Set assumption and existentially unforgeable against adaptive chosen message attack under the 3-CDHE assumption in the STANDARD MODEL. Our scheme is more efficient than all other secure CLSC schemes in the STANDARD MODEL proposed up to now.

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APA: Copy

RASTEGARI, PARVIN, & BERENJKOUB, MEHDI. (2017). AN EFFICIENT CERTIFICATELESS SIGNCRYPTION SCHEME IN THE STANDARD MODEL. THE ISC INTERNATIONAL JOURNAL OF INFORMATION SECURITY, 9(1 ), 3-16. SID. https://sid.ir/paper/241782/en

Vancouver: Copy

RASTEGARI PARVIN, BERENJKOUB MEHDI. AN EFFICIENT CERTIFICATELESS SIGNCRYPTION SCHEME IN THE STANDARD MODEL. THE ISC INTERNATIONAL JOURNAL OF INFORMATION SECURITY[Internet]. 2017;9(1 ):3-16. Available from: https://sid.ir/paper/241782/en

IEEE: Copy

PARVIN RASTEGARI, and MEHDI BERENJKOUB, “AN EFFICIENT CERTIFICATELESS SIGNCRYPTION SCHEME IN THE STANDARD MODEL,” THE ISC INTERNATIONAL JOURNAL OF INFORMATION SECURITY, vol. 9, no. 1 , pp. 3–16, 2017, [Online]. Available: https://sid.ir/paper/241782/en

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