A NOVEL ENCRYPTION ALGORITHM FOR END TO END SECURED FIBER OPTIC COMMUNICATION

In the last decades, fiber optic communication becomes very popular because of its several advantages over conventional wired communication. Fiber optic communication provides the download speed of 100Mb/s with less delay and high uploading speed. Though fiber optic transmits large amount of data quickly over long distance, it is vulnerable to various security attacks. The fiber optic cable can be easily tapped. To provide end to end secure fiber optic communication, a novel encryption algorithm based on Advanced Encryption Standard (AES) is employed. It uses variable key cipher in which a sequence of sub keys of AES is created from the original key with feedback from prior cipher block and each sub block is encrypted using numerous sub keys. The proposed encryption algorithm is simulated and the performance is analyzed. The simulation results shows that the proposed method achieves high end to end security in fiber optic communication.

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