A Location Dependent Cryptographic Approach Based on TargetCoordinate & Distance Tolerant Key transfer for GPS mobileReceiver
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2015, Vol 17, Issue 1
Abstract
Abstract: Independent location based cryptography technique ensures that after transferring encrypted datafrom sending end ,decryption can takes place at anywhere from receiving point of view. But according todemand of mobile users if we want to ensures more security at the time of data transfer in mobilecommunication we need location dependency .It means ,when we encrypt a particular data packet at sendingend and after transmitting that data to the receiver ,the receiver can be able to decrypt that packet only from aparticular location (not from anywhere) specified by the sender by transferring location based coordinate target.In our proposed location based data encryption-decryption approach a target latitude/longitude coordinate isincorporated with a random key for data encryption. The receiver can only decrypt the cipher text when thecoordinate acquired from GPS receiver is matched with target coordinate .The location of a receiver is difficultto exactly match with target coordinate .So we proposed a parameter distance tolerant(DT) in our proposedapproach to increase its practicality. The security analysis shows that to probability to break our proposedalgorithm is almost impossible since the length of the random key is adjustable.
Authors and Affiliations
Sourish Mitra , Avijit Chakraborty , Arunabha Bhaumik , Joy Dewanjee , Mainak Maulik
Keywords
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