Data hiding and encryption would be done on images. Both these process should have a data hiding key and an encryption key correspondingly. Another user should be able to decrypt the image only if he knows the encryption key and the similar to read the data hidden, he have to identify the data hiding key. Another aspect is that the software should be able to send data hidden images or the encrypted to other users. Therefore there should be an option for adding accounts with a username and password. It should be a small setup same to the mailing system which allows only sending and receiving the images. The sending of images should be linked with internet.
Skills required:
.NET, MySQL, C# Programming, Visual Basic