JSE_V5_N3_A1 Himani Agarwal Monisha Sharma Journal on Software Engineering 2230 – 7168 5 3 1 15 Color Image, Encryption, Decryption, Cryptography, Cryptosystem With the fast progression of data exchange in electronic way, information security is becoming more important in data storage and transmission. Encryption is one way to ensure good security. Image encryption has applications in Internet communication, multimedia systems, medical imaging, telemedicine, and military communication. This paper surveys various encryption techniques for color images and then tries to suggest some points to improve the color image encryption techniques. January - March 2011 Copyright © 2011 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=1379