具有兩個可撤銷屬性列表的密鑰策略的屬性加密方案

王尚平; 余小娟; 張亞玲

doi:10.11999/JEIT150845

具有兩個可撤銷屬性列表的密鑰策略的屬性加密方案

doi: 10.11999/JEIT150845

2.
(西安理工大學(xué)理學(xué)院西安 710054) ②(陜西省網(wǎng)絡(luò)計算與安全技術(shù)重點實驗室西安 710048)

基金項目:

國家自然科學(xué)基金(61173192, 61572019), 2014年度西安市碑林區(qū)科技計劃(GX1407)，陜西省自然科學(xué)基礎(chǔ)研究計劃-重點項目(2016JZ001)

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- 文章訪問數(shù): 1342
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2015-07-13
- 修回日期: 2016-02-29
- 刊出日期: 2016-06-19

Revocable Key-policy Attribute-based Encryption Scheme with Two Revocation Lists

2.
(School of Sciences, Xi&rsquo

Funds:

The National Natural Science Foundation of China (61173192, 61572019), Beilin District Science and Technology Plan of Xi,an City 2014 (GX1407), The Key Project of Natural Science Foundation of Shaanxi Province of China (2016JZ001)

摘要

摘要: 可撤銷的屬性加密方案是屬性加密方案的延伸和擴(kuò)展。該文構(gòu)造了細(xì)粒度屬性撤銷下的具有兩個可撤銷屬性列表的密鑰策略的屬性加密方案，該方案是對含有單個屬性撤銷列表方案的推廣，新方案涉及兩個屬性撤銷列表，允許兩個列表中被撤銷用戶存在交集或者無關(guān)，同時利用追蹤算法，判定了用戶與私鑰的關(guān)聯(lián)性。在選擇安全模型下證明了方案的安全性，將方案的安全性規(guī)約到求解判定性雙線性Diffie-Hellman 指數(shù)問題上。
- 屬性加密 /
- 密鑰策略 /
- 雙線性映射 /
- 撤銷
Abstract: Revocable attribute-based encryption is an extension and generalization of attribute-based encryption. In this paper, a revocable key-policy attribute-based encryption scheme is constructed with two revocation lists, it extends a previous scheme which is designed with only one attribute revocation list, and in the new scheme two attribute revocation lists are involved, and the two lists are independent with each other. Whats more, the new scheme enjoys an important property that the trace algorithm return the user associated with this decryption key. Finally, under the assumption of decisional Bilinear Diffie-Hellman Exponent (BDHE), the proposed scheme is proved that is secure in the selective security model.
- Attribute-based encryption /
- Key policy /
- Bilinear maps /
- Revocation

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參考文獻(xiàn)(19)

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