基于二种视觉密码方案的隐蔽通信应用

Covert Communication Applications on Two Kinds of Visual Cryptography Scheme

通过保密通信模型，采用基本型视觉密码方案和延拓的视觉密码方案，对基本型视觉密码应用于隐蔽通信进行讨论，给出了加密算法和解密算法，分析了基于（2，2）视觉密码方案的保密通信方法能其特点。

The secure communication model,the use of basic visual cryptography scheme and extension of visual cryptography scheme,the password used for basic visual covert communication to discuss,given the encryption algorithm and decryption algorithm is analyzed based on（2,2）visual cryptography scheme of secure communication method to its characteristics.