alexa A STEGNOGRAPHY SCHEME USING RSA AND OPA ALGORITHS WITH
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
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Research Article

A STEGNOGRAPHY SCHEME USING RSA AND OPA ALGORITHS WITH HISTOGRAM MODIFICATION IN SKINTONE DECETION

Bhavna Sharma1, Shrikant Burje2
  1. M.Tech. Student [DE], Dept. Of ECE, Rungta College of Engineering Bhilai, India
  2. Vice Principal, Dept. of ECE, Rungta College of Engineering Bhilai, India
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Abstract

More than just a science, Steganography is the art of secret communication or the science of invisible communication Steganography conceptually implies that the message to be transmitted is not visible to the informal eye. The main objective of Steganography is mainly concerned with the protection of contents of the hidden information. Images are ideal for information hiding, Because of the large amount of redundant space is created in the storing of images. In this paper, we propose a new method of Steganographic techniques for digital images, which having RSA and OPA (optimal Parity Assignment) algorithm .These two Algorithm methods are used in Digital image to improve security. In image a secret data is embedded within skin region of That will provide an excellent secure location for data hiding. Histogram equalization is performed in the skin portion in order to enhance the intensity of the image. The RSA algorithm involves key generation and encryption. The parity assignment directly affects the energy of image modifications due to message embedding. Obviously, if close colors are assigned opposite parities, the energy of the modifications will be smaller.

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