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This tutorial covers the basics of the science of cryptography. It explains how programmers and network professionals can use cryptography to maintain the privacy of computer data. Starting with the origins of cryptography, it moves on to explain cryptosystems, various traditional and modern ciphers, public key encryption, data integration, message authentication, and digital signatures.

Saturday 9 November 2019

SMS ENCRYPTION USING AES ON ANDROID APPLICATION

Encryption is of great importance once the confidentiality of information is to be maintained over the network. SMS being one of the major means of data exchange among the mobile users.xSecurityxofxSMS is one of the major issues that must be handled during data transmission. So, by using Android technology an application has been developed by us which permits the sender to encode the messages before they are sent over the network. For the encryption and decryption process we have used Advanced Encryption Standard (AES) as the cryptographic algorithm. The application allows the user to input the key and the message which has to be encrypted and hence generate an encrypted message which can be decrypted by the receiver. The encrypted text so developed by the app is also resistant to Brute-Force attacks we have used AES.

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