Security Investigate

STEGCRYP: A Multilevel Information Security Shceme

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Executive Summary

In this paper, Cryptography and Steganography techniques are combined to enhance the security level of data communication over an unsafe distributed network. The standard LSB (Least Significant Bit) steganography method is also modified by digitally signing a information of starting position of hided message in image, so that any other third person can't determine the position of beginning of hided message in the image. Here, first digital signature of the secret message is created using RSA algorithm so that identity of receiver is verified at receiving end. Then this signed message is hided inside an image using steganography so that message is not visible in transit to any third person.

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