SECUREDSMS: A PROTOCOL FOR SMS SECURITY

Short Message Service (SMS) has become common in many of our daily life applications. Sometimes SMS is used to send confidential information like password , passcode, banking details etc. But in traditional SMS service, information content is transmitted as plain text which is not at all secure. It’s because when SMS is transmitted as plain text without using any encryption mechanisms it is easily subjected to many attacks. In this paper, we propose a protocol called Secured SMS which make use of the symmetric key shared between the end users thus providing secure and safe communication between two users.