Asian Science
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Abstract: The growing demand to protect the confidential messages and
documents paved way for the invent of information security techniques. Whatever,
be the strength of security algorithms and standards, an equal amount or greater
than that attempt is made to crack the information which employs an algorithm
to make it invisible to anonymous. New techniques and algorithms will help a
lot for strengthening the security of our information systems. Steganography
is basically a science turned art to hide the payload with the help of a carrier.
We propose a spatial domain image steganography technique which uses two aspects
for information hiding-one being the pixel nibble difference and the other in
the form of block rotation decided by a variable P.
This technique adds a technique to the group of information hiding techniques
where block rotation can be decided by various parameters concerned with the
carrier which may be audio, video or text.