Provably secure certificateless hybrid signcryption

被引：0

作者：

Yu, Hui-Fang ^{[1
,2
]}

Yang, Bo ^{[1
]}

机构：

[1] School of Computer Science, Shaanxi Normal University, Xi'an

[2] School of Computer, Qinghai Normal University, Xining

来源：

Jisuanji Xuebao/Chinese Journal of Computers | 2015年 / 38卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Bilinear pairing; Certificateless cryptography; Cryptography; Hybrid signcryption; Provable security;

D O I：

10.3724/SP.J.1016.2015.00804

中图分类号：

学科分类号：

摘要：

Hybrid signcryption can process the messages of arbitrary length, while public key signcryption cannot. In this paper, we extend hybrid signcryption technique to the certificateless setting, and construct a provably secure certificateless hybrid signcryption (PS-CLHS) scheme. In the random oracle model, we prove that the proposed scheme satisfies the indistinguishability against adaptive chosen-ciphertext attacks and unforgeability against adaptive chosen-message attacks under the hardness of the bilinear Diffie-Hellman problem and computational Diffie-Hellman problem. In addition, this scheme has lower computational complexity and is appropriate to applications in practice. ©, 2015, Science Press. All right reserved.

引用

页码：804 / 813

页数：9

共 17 条

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