Constructing Forward-Secure Identity-Based Encryption from Identity-Based Binary Tree Encryption

被引：1
|
作者：
Lu, Yang [1 ]
Li, Jiguo [1 ]
机构：
[1] Hohai Univ, Coll Comp & Informat Engn, Nanjing, Jiangsu, Peoples R China
来源：
2012 INTERNATIONAL SYMPOSIUM ON INFORMATION SCIENCE AND ENGINEERING (ISISE) | 2012年
关键词：
forward security; identity-based encryption; identity-based binary tree encryption; standard model; PUBLIC-KEY ENCRYPTION;
D O I：
10.1109/ISISE.2012.50
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we propose a generic construction of forward-secure identity-based encryption. We first introduce a relaxed variant of hierarchical identity-based encryption called identity-based binary tree encryption and construct a concrete identity-based binary tree encryption scheme which is provably secure in the standard model. We then show that forward-secure identity-based encryption can be generically constructed from identity-based binary tree encryption. Based on the proposed identity-based binary tree encryption scheme, we obtain a direct chosen-ciphertext secure forward-secure identity-based encryption scheme without random oracles.
引用
收藏
页码：199 / 202
页数：4
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