Survey on Image Encryption Schemes, Bio cryptography and Efficient Encryption Algorithms

Cryptography protects the data stored in the network from unauthorized access. It is very essential to transfer data with high security. Biometrics is a unique part of human beings and it is a widely-known person authenticator. The exchange of all medical data has been done across the globe abundantly. Advanced Encryption Standard (AES) encryption algorithm is used for high security and it is most powerful cryptographic algorithm. This algorithm is widely preferred because of its long term security and has wide range of application and protocols. Protecting data over the network has become a significant issue due to enormous exchange of sensitive information takes place. Cryptography is used for secret information transmission in various fields like hospitals, research, medical applications etc., This article is a survey of familiar encryption techniques from which researches can acquire conception of suitable techniques to be used.