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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


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    題名: Provably CCA-Secure Anonymous Multi-Receiver Certificateless Authenticated Encryption
    作者: 曾一凡
    Tseng, Yi-Fan
    Fan, Chun-I
    貢獻者: 資科系
    關鍵詞: multi-receiver encryption;chosen-ciphertext attacks;certificateless encryption
    日期: 2018-11
    上傳時間: 2020-09-02 09:14:46 (UTC+8)
    摘要: 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.
    關聯: Journal of Information Science and Engineering, Vol.34, No.6, pp.1517-1541
    資料類型: article
    顯示於類別:[資訊科學系] 期刊論文

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