International Journal of Application or Innovation in Engineering & Management (IJAIEM)
In the present world when whole web is coming closer from text data to multimedia data, the majority of security concerns about the protection of this multimedia data. An Image which covers the highest percentage of the multimedia data, its protection is very important. These might include commercial secrets, military secrets and information of individuals. It can be achieved by a technique known as visual cryptography. By using this technique visual information (e.g. printed text and picture) is encrypted in such a way that the decryption can be performed by the human visual system, without the aid of computers.