Quantum Public-Key Cryptosystem

被引：15
|
作者：
Luo, Ming-Xing [1 ,2 ]
Chen, Xiu-Bo [2 ,3 ]
Yun, Deng [4 ]
Yang, Yi-Xian [2 ]
机构：
[1] SW Jiaotong Univ, Informat Secur & Natl Comp Grid Lab, Sch Informat Sci & Technol, Chengdu 610031, Peoples R China
[2] Beijing Univ Posts & Telecommun, Key Lab Network & Informat Attack & Def Technol M, Beijing 100876, Peoples R China
[3] Chinese Acad Sci, Grad Univ, State Key Lab Informat Secur, Beijing 100049, Peoples R China
[4] Sichuan Univ Sci & Engn, Inst Comp Sci, Zigong 643000, Peoples R China
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2012年 / 51卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Quantum one-way functions; Quantum trapdoor functions; Quantum public-key cryptosystems; POLYNOMIAL-TIME ALGORITHMS; DISCRETE LOGARITHMS; PRIME FACTORIZATION; SIGNATURE SCHEME;
D O I：
10.1007/s10773-011-0966-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Quantum one-way functions play a fundamental role in cryptography because of its necessity for the secure encryption schemes taking into account the quantum computer. In this paper our purpose is to establish a theoretical framework for a candidate of the quantum one-way functions and quantum trapdoor functions based on one-parameter unitary groups. The dynamics of parameterized unitary groups ensure the one-wayness and quantum undistinguishability in different levels, and the physical feasibility are derived from the simultaneous approximation of its infinitesimal generators. Moreover, these special functions are used to construct new cryptosystems-the quantum public-key cryptosystems for encrypting both the classical and quantum information.
引用
收藏
页码：912 / 924
页数：13
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