Secure Message Transmission over Wireless Network by Using Android Application

The security of data transmitted overwireless network of passive scanning is ofincreased interest.Sending data and messages are one of the popularways of communication.As sending data andmessages through mobile is now widely used as abusiness tool; its security has become a majorconcern for business organization andcustomers.When confidential information isexchanged using messages, DoS attack as well asto ensure that the messages are sent by authorizedsenders.Encryption mechanisms securely transmitmessage over insecure networks. In this system,for security purpose messages is encrypted usingpassword-based 128-bit AES (AdvancedEncryption Standard) encryption on androidapplication and calculate RTT (Round Trip Time)between the sender and receiver sides before thedata is transmitted over the network. There is aneed for an end to end data encryption in order toprovide a secure message for communication.Formultiple accesses, the server only accepts theclients with the permitted MAC addresses toprevent unauthorized access in wireless networkcommunity