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Design and Implementation of Secure Public Key Steganography | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 28, Issue 3, 2010, Pages 431-444 PDF (265.37 K) | ||
| DOI: 10.30684/etj.28.3.1 | ||
| Authors | ||
| Ghadah Salim Mouhamad; Alia Karim Abdul Hassan | ||
| Abstract | ||
| Several 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. | ||
| Keywords | ||
| Steganography; public key steganography; Discrete Cosine Transform; Bit Mapped Image; invisibility; cover; image; stegoimage; hiding data rate | ||
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