Published Paper Details:

A secure environment would not be possible without the existence of encryption technology. Image covers a large percentage of the multimedia data and its protection is very important in the current scenario. It becomes a critical issue that how we can protect our data. The term encryption refers that a piece of information is encoded in such a way that it can only be decoded, read and understood by people for whom it was meant and protect it from attackers who want to access the information in unauthorized way by breaking the security. Encryption is the process in which the data is passed through a series of mathematical operations that generate an alternate form of that data. We called the sequence of these mathematical operations as an algorithm. In This paper we have done survey on various research papers reviewed various encryption techniques that exist, based on our survey we also discuss two way encryption for better analysis with data encryption standard (DES) encryption.