A New Approach for Encryption Method using Collective Techniques with Rijndael Algorithm

Abstract: Network security is the best known mechanism in the computer world, which secures the data against hackers or unauthorized users over the communication channel. In this paper three mixed techniques are used to enhance the security i.e. One is Rijndael, other is cross change & transformation followed by basic arithmetic and logic operations. In the existing system, the encryption is less secure & less complex while the proposed work implements the size of the private key for ensuring the data protection. Data secrecy is mainly dependent on the strength of key size in the encryption algorithm. The proposed algorithm computes a random key sequence for each & every plaintext character. So that the encrypted data should be in the disguised format to analyze.

Keywords: Rijndael algorithm, random key sequence format, cross change, transformation, encryption, decryption