STEGANOGRAFI CITRA DIGITAL MENGGUNAKAN ENKRIPSI BERDASARKAN PRINSIP KUBUS RUBIK DAN KODE BCH

Fista Monica Deswanti, Telkom University and Bambang Hidayat, Telkom University and Suci Aulia, Telkom University (2015) STEGANOGRAFI CITRA DIGITAL MENGGUNAKAN ENKRIPSI BERDASARKAN PRINSIP KUBUS RUBIK DAN KODE BCH. In: Seminar Nasional Universitas PGRI Yogyakarta 2015.

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Abstract

Steganography is a technique to hide a secret message into another message, so the existence of the message is not detected by human senses. The secret message could be a picture, audio, video or text and the cover could be a picture, audio, video or text too. To improve the quality and performance of steganography, has been done research that merge the encryption method and error correction method. In this research, it has been simulated steganography system using a secret information in the form of text and digital image as a cover. The encryption method is an encryption based on rubik’s cube principle, the error correction method is BCH Code and the steganography is using Least Significant Bit (LSB) method. The accuration (without noise) is 100% and the PSNR is above 56 dB. The system's reliability also tested by adding Gaussian noise and Salt and Pepper noise. The result is a system that uses a BCH code is more resistant to noise than the system that do not use BCH code.

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