PENYISIPAN PESAN RAHASIA PADA CITRA DIGITAL DENGAN TEKNIK STEGANOGRAFI

Publication Type:

Journal Article

Source:

Jurnal Teknologi, Volume 1, Issue 1, Number 1 (2008)

Keywords:

data hiding, encryption, steganography

Abstract:

E-mail : catur@staff.akprind.ac.id, gaza_kawai@telkom.net
ABSTRACT
Steganography is a concealment technique of secret data into a place of (media) so that hidden data
difficult to recognize by human being indera. Steganography require two priority that consist of hidden secret data
and temporary. Digital Steganography use digital media as temporary of image, voice, video and text.
Secret data which hide also can in the form of image, voice, video and text.
Implementation of Steganography for example aim to disguise existence of difficult secret data and to protect product copyrights. In this research, method used is usage of two colour binary picture media as carrier media input secret data. Divided media draw input data in fairish blocks of n x m, this technique can insert secret information into one
block of maximum counted 1 bit so that change that happened do not seen clearly. Designed application program have ability to hide secret message and reveal the message, consisting of Hide : concealment process of secret message into host (carrier file in the form of picture) and Unhide : process of intake and read message of picture file. Both above process is the part of an entire system called Steganosystem.

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