Optical Hash function based on two-beam interference

被引：6
|
作者：
Lai, Hongji [1 ]
He, Wenqi [1 ]
Peng, Xiang [1 ]
机构：
[1] Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Educ Minist China, Shenzhen 518060, Peoples R China
来源：
APPLIED OPTICS | 2013年 / 52卷 / 25期
基金：
中国国家自然科学基金;
关键词：
CHOSEN-PLAINTEXT ATTACK; JOINT TRANSFORM CORRELATOR; IMAGE ENCRYPTION; KEY; PLANE;
D O I：
10.1364/AO.52.006213
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An approach for constructing an optical Hash function, also known as a one-way cryptosystem, based on two-beam interference (OHF-TBI) is proposed. The purpose of this method is creating the "digital finger-print" of any precoding message with arbitrary length. This approach consists of three steps, in which the main step is a one-way processing procedure with a compression mechanism. To achieve the function of one-way property and compressibility, we designed a cascaded process on the basis of the two-beam interference principle and phase-truncation operation. The performance of the mentioned OHF-TBI is verified by theoretical analysis and a set of numerical simulations. (C) 2013 Optical Society of America
引用
收藏
页码：6213 / 6219
页数：7
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