基于matlab的一种图片加密算法，针对*.jpg格式的图片，稍加修改亦可以加密.png/.bmp等各种类型的图片。-a kind of encryption dealing with pictures in format .jpg based on matlab.

Steganography in java using LSB technique for hiding message in PNG image & using AES and SHA-2 algorithm for encryption/decryption of message.