With the fast development of the computer technology and information processing technology, the problem of information security is becoming more and more important. Information hiding is usually used to protect the important information from disclosi

its a text hiding method behind a canvas image. it is based on matlab. it also deal in encryption and decryption of text

Voice and image encryption and performance analysis of counter

用用户生物特征生成密钥和Rijndael算法作为AES的优良特性,本文提出了一种基于虹膜生物特征的密钥生成和Rijndael算法的图像加密方案。实验结果表明,该方案具有良好的加密效果,得到了一种新的图像加密方法。-With the user s biometric key and Rijndael algorithm as the excellent characteristics of AES, this paper proposes an image encryption scheme ba