A Ciphertext-Policy Attribute-Based Encryption Scheme with Constant Ciphertext Length

被引：0
|
作者：
Emura, Keita [1 ]
Miyaji, Atsuko [1 ]
Nomura, Akito [2 ]
Omote, Kazumasa [1 ]
Soshi, Masakazu [3 ]
机构：
[1] Japan Adv Inst Sci & Technol, Sch Informat Sci, 1-1 Asahidai, Nomi, Ishikawa 9231292, Japan
[2] Kanazawa Univ, Grad Sch Nat Sci & Technol, Kanazawa, Ishikawa 9201192, Japan
[3] Hiroshima Univ, Grad Sch Informat Sci, Asa Minami Ku, Hiroshima 7313194, Japan
来源：
INFORMATION SECURITY PRACTICE AND EXPERIENCE, PROCEEDINGS: 5TH INTERNATIONAL CONFERENCE, ISPEC 2009 | 2009年 / 5451卷
关键词：
Attribute-based encryption; Ciphertext-Policy; Constant Ciphertext Length; IDENTITY-BASED ENCRYPTION;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An Attribute-Based Encryption (ABE) is an encryption scheme, where users with some attributes can decrypt ciphertexts associated with these attributes. However, the length of the ciphertext depends oil the number of attributes in previous ABE schemes. In this paper, we propose a new Ciphertext-Policy Attribute-Based Encryption (CP-ABE) with constant ciphertext length. Moreover, the number of pairing computations is also constant.
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页码：13 / +
页数：3
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