可视密码

提出了一种可以检测出一个欺骗者的（k，n）门限的可视密码的定义和构造方法，并证明了其安全性。

This paper gave the definition and constructing method of visual cryptography which can examine a cheater from the ( k , n ) threshold , and proved its security .

Naor和Shamir[1]提出的可视密码方案（VCS）是一种将秘密黑白图像加密到不同分享中的秘密分享方案，并且无须计算即可进行解密。

The visual cryptography scheme ( VCS ) presented by Naor and Shamir [ 1 ] provides a method to encrypt a black-white image to different shares and decrypt the secret without any computations .

提出一种新的彩色可视密码方案。

This article proposes a new color visual secret sharing scheme .

一种基于可视密码的轮廓小波图像零水印方案

An image zero-watermarking scheme based on visual cryptography utilizing contour-wavelet

可视密码是一种新的秘密共享技术。

Visual Cryptography ( VC ) is a new secret sharing technology .

多秘密共享可视密码及在防止欺骗上的应用

Multi-secrets sharing visual cryptography and its application to cheater detection

具有掩盖图像的（2,2）可视密码方案

( 2,2 ) Visual Cryptography Schemes With Covert Image

基于可视密码术的小波域音频数字水印研究

The Study of Audio Watermarking in Wavelet Domain Based on the Visual Cryptography

一种可防止多个欺骗者的可视密码方案

A program of visual cryptography to prevent cheaters

基于半色调技术的（2,2）可视密码方案

( 2,2 ) Visual Cryptography Schemes based Halftoning

一种彩色可视密码方案

A color visual cryptography scheme

最后指出两秘密共享可视密码可以非常好的应用于防止欺骗可视密码。

In the end , we point out that multi-secrets sharing visual cryptography can be applied to cheater detectable scheme very well .

本文对可视密码中的几个重要方向进行了研究，旨在给出更安全高效的可视密码方案。

This dissertation investigates the visual cryptography technology , with emphasis on some important research directions and is to propose safer and high efficient visual cryptography schemes .

将上述方案的设计思想扩展到所谓的一般存取结构，对现有的可视密码方案提出了一个一般性的改造方案。

The design of above scheme is extended to the so-called " general access structure ", a general reconstructed scheme is proposed for the existing visual cryptography schemes .

构造了基于多级别的一般存取结构可视密码方案，该方案引入等级的概念，具有不同安全等级的参与者可以获得不同的信息。

To make different users with different security levels obtain different information , we introduce the concept of hierarchical participants and present a multilevel-based VCS for general access structure .

针对可视密码中存在的分发者的不诚实问题，引入了基于消息认证模型的公钥基础结构来建立基于消息认证模型的可视密码方案。

We present a VCS based on message authentication model by means of the public key infrastructure based on message authentication model for the dishonest distribution existing in VC .

将数字签名与时间戳技术应用于可视密码，在解决了分享图像的存储管理问题的同时，增加了对图像内容的验证功能，在不影响安全性的条件下提高了存储管理的有效性。

The scheme solves the problem on the storage and management of the sharing images , increases the verification of image contents , and enhances the validity of storage and management without security effect .