Enhanced Secured Wireless Message Communication using Digital Signature Algorithm (DSA)
MLA Style: Ade, Sandra Ngi, Eru, Nathaniel Akwuma, Nyamtswam, Ngunengen and Ayangeaor, Raphael Terkende "Enhanced Secured Wireless Message Communication using Digital Signature Algorithm (DSA)" International Journal of Engineering Trends and Technology 62.2 (2018): 96-105.
APA Style:Ade, Sandra Ngi, Eru, Nathaniel Akwuma, Nyamtswam, Ngunengen and Ayangeaor, Raphael Terkende (2018). Enhanced Secured Wireless Message Communication using Digital Signature Algorithm (DSA) International Journal of Engineering Trends and Technology, 62(2), 96-105.
This paper focuses on how to protect communications that occur in a transaction so as to guide against fraudsters. Digital Signature Algorithm (DSA) is adopted to be used with the Secure Hash Algorithm-2 (SHA-2). The security of the DSA is based on the difficult computable nature of discrete logarithm over finite fields; as such, the current key size of the DSA is small and thus makes it easy for an attacker to launch a brute force attack. In order to counter this problem, the size of the prime numbers that form the basis of the key generation process used in the DSA has being increased. In Digital Signatures, the message sent to the recipient is digitally signed, but not encrypted hence, the message’s confidentiality is not guaranteed. This work therefore incorporates encryption to a digitally signed message to ensure the message’s absolute privacy. This eliminates the possibility of eavesdropping which also improves the security of the DSA. An object oriented approach is used to model the new system. The implementation of the system is done using Java Enterprise Java Bean 3 at the front end and MySQL database server is used at the back end for persistent storage of messages, private and public keys running on JBOSS server.
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Cryptography, DSA (Data/Digital Signature Algorithm, SHA (Secure Hash Algorithm), MD (Message Digest), Cryptosystem, Encryption, Secret/Private Key, Public Key, RSA.