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DNA Cryptography is the promising methodology of data security in the concerned areas of computer communication and its cryptographic computations can be used for encrypting, storing and transmitting the information. DNA cryptography has shown its effectiveness in the field of secured data transmission and much research work is going on to make the computational process more complex to the unauthorized users. In this paper, an improved key generation based proposal is given using DNA synthesis concepts and the encryption and decryption process is being optimized. The proposed methods are being implemented and analyzed and it shows its efficiency in computation, storage and transmission; and it is more powerful during the decryption process.
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