政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/131407

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政大機構典藏 > 資訊學院 > 資訊科學系 > 期刊論文 > Item 140.119/131407

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/131407

Title:	Provably CCA-Secure Anonymous Multi-Receiver Certificateless Authenticated Encryption
Authors:	曾一凡 Tseng, Yi-Fan Fan, Chun-I
Contributors:	資科系
Keywords:	multi-receiver encryption;chosen-ciphertext attacks;certificateless encryption
Date:	2018-11
Issue Date:	2020-09-02 09:14:46 (UTC+8)
Abstract:	Multi-receiver encryption allows a sender to choose a set of authorized receivers and send them a message securely and efficiently. Only one ciphertext corresponding to the message is generated regardless of the number of receivers. Thus it is practical and useful for video conferencing systems, pay-per-view channels, distance education, and so forth. In 2010, for further protecting receivers’ privacy, anonymous multi-receiver identity-based (ID-based) encryption was first discussed, and from then on, many works on the topic have been presented so far. To deal with the key escrow problem inherited from ID-based encryption (IBE), Islam et al. proposed the first anonymous multi-receiver certificateless encryption (AMRCLE) in 2014. In 2015, Hung et al. proposed a novel AMRCLE to improve the efficiency. However, we found that their security proofs are flawed, i.e., the simulation cannot be successfully performed. In this paper, we present a novel AMRCLE scheme with CCA security in confidentiality and anonymity against both Type I and Type II adversaries. Moreover, the identity of the sender of a ciphertext can be authenticated by the receiver after a successful decryption. To the best of our knowledge, the proposed scheme is the first CCA secure AMRCLE scheme, and furthermore, we also pioneer in achieving sender authentication in AMRCLE.
Relation:	Journal of Information Science and Engineering, Vol.34, No.6, pp.1517-1541
Data Type:	article
Appears in Collections:	[資訊科學系] 期刊論文

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