General Construction of Chameleon All-But-One Trapdoor Functions

Q2 Computer Science
Shengli Liu, Junzuo Lai, R. Deng
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引用次数: 5

Abstract

Lossy trapdoor functions enable black-box construction of public key encryption (PKE) schemes secure against chosen-ciphertext attack [18]. Recently, a more efficient black-box construction of public key encryption was given in [12] with the help of chameleon all-but-one trapdoor functions (ABO-TDFs). In this paper, we propose a black-box construction for transforming any ABO-TDFs into chameleon ABO-TDFs with the help of chameleon hash functions. Instantiating the proposed general black-box construction of chameleon ABO-TDFs, we can obtain the first chameleon ABOTDFs based on the Decisional Diffie-Hellman (DDH) assumption.
变色龙多活门函数的一般构造
有损陷门函数使公钥加密(PKE)方案的黑盒构造免受选择密文攻击[18]。最近,在文献[12]中,利用变色龙全数陷阱门函数(abof - tdf)给出了一种更有效的公钥加密黑箱构造。本文提出了一种利用变色龙哈希函数将任意abo - tdf转换为变色龙abo - tdf的黑盒构造。将提出的变色龙abo - tdf的通用黑盒构造实例化,得到了基于decision Diffie-Hellman (DDH)假设的第一个变色龙abotdf。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Internet Services and Information Security
Journal of Internet Services and Information Security Computer Science-Computer Science (miscellaneous)
CiteScore
3.90
自引率
0.00%
发文量
0
审稿时长
8 weeks
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