Design and Implementation of Secure Public Key Steganography
Engineering and Technology Journal,
2010, Volume 28, Issue 3, Pages 431-444
AbstractSeveral approaches and techniques have been proposed to make
communication via the internet secure; one of these approaches is steganography.
Steganography is the art and science of hiding communication, a steganographic
system thus embeds hidden content in unremarkable cover media so as not to
arouse an eavesdropper’s suspicion. In this research the proposed method is a
public key steganography technique and it embeds a secret message in digital
image with multi level of security. The proposed method uses Discrete Cosine
Transform (DCT) to embed a secret message in Bit Mapped Image Format for
Microsoft Windows (BMP) image with high invisibility and high correlation
between cover-image and stego-image acceptable hiding data rate.
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