DigitalImage Encryption Techniques: A Review
Payal Sharma, Manju Godara · 2012
As the use digital techniques for transmitting and storing images are increasing, it becomes an important issuethat how to protect the confidentiality, integrity and authenticity of images . There are various techniqu es which are discovered from time to time to encrypt the images to make images more secure. Image encryption techniques scrambled the pixels of the image and decrease the correlation among the pixels, so that we will get lower correlation among the pixel a nd get the encrypted image. In this paper review of various encryption techniques that are existing is given. It also focuses on the functionali ty of techniques.