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A Novel Block-Cipher Mechanism for Information Security in Cloud System

Digital information is precious asset in modern period as everything is offered in digital mode. A prime concern for digital data is to guard it from getting seep out to eavesdropper. In this regard many cryptosystems were explored to prevent data from disclosure. In this paper, we explore a new cryptosystem that is implemented in three stages on plain text blocks. Our method applies simple operations on them based on keys that are constructed randomly. Our approach achieves the following three goals. Firstly it creates high defense cryptosystem. Second, it offers low complex encryption and decryption systems. Finally all actions are randomly done that avoids tediousness and stands firm for the assailant to break it.