Cryptography Algorithms for Short Message Services

Abstract

Short Messages Service (SMS) still represents the foremost used mobile electronic messaging service. SMS messages are employed in many various applications, even in cases wherever safety features, like authentication and confidentiality between the communications should be ensured.Unfortunately,the SMS technology doesnt give inbuilt support for any safety features. Hence the secured communication on SMS could be big challenge.In this work, we use thecommunication between peers is secured by using public-key cryptography. It includes SMS network architecture as well as cryptographic protocols as theory background and it also deals with design, implementation and confidentiality assessment of RC4 stream cipher for SMS data confidentiality on mobile networks. To secure the message, the receiver needs to put password. In the paper, we compare the RC4 and RSA algorithm for data confidentiality on SMS.