Dual Level Security for Key Exchange Using Modified RSA Public Key Encryption in Playfair Technique

Provided by: International Journal of Computer Applications
Topic: Security
Format: PDF
In this paper, the authors are to provide the dual level security for the key in playfair cipher using modified RSA digital signature scheme. This paper has two phases, in the first phase the key is converted into the ASCII code and in the second phase, this paper is using the concept of modified RSA digital signature scheme in which user authentication, data integrity and non-repudiation services are provided but as all know that in playfair technique, key exchange process is most important so there is a need to secure the key during key transfer that's why this paper is using the concept of modified RSA public key encryption technique to encrypt the key before sending it to the receiver for decryption.

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