Security risk of diffractive-imaging-based optical cryptosystem

被引：51

作者：

Li, Tuo ^{[1
]}

Shi, Yishi ^{[1
,2
]}

机构：

[1] Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China

[2] Chinese Acad Sci, Inst Informat Engn, State Key Lab Informat Secur, Beijing 100093, Peoples R China

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 16期

基金：

中国国家自然科学基金;

关键词：

RANDOM-PHASE ENCRYPTION; PLAINTEXT ATTACK; FRESNEL DOMAIN; TRANSFORM; CRYPTANALYSIS; ALGORITHM; STRATEGY; PATTERN; SCHEME; SYSTEM;

D O I：

10.1364/OE.23.021384

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The well-known diffractive-imaging-based optical cryptosystem is breached in the paper. The decryption key of the system can be easily accessed by the opponent by using a new type of powerful phase retrieval method. Our result, to our best knowledge, is the first work to show the security risk of the diffractive-image cryptosystem. Meanwhile, we provide a set of numerical simulations to demonstrate the feasibility and robustness of the presented method. (C) 2015 Optical Society of America

引用

页码：21384 / 21391

页数：8

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