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All Journal Jurnal Simantec Power Elektronik : Jurnal Orang Elektro
Khaerunnisa, Zahra
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Pengembangan Aplikasi Android PiGANO untuk Keamanan Pesan Menggunakan Kombinasi Caesar Cipher dan LSB Saragi, Muhammad Salam Pararta; Khoir, Farhan Ramadhan; Auriel, Muhammad; Fauziah, Rahmah; Maulana, Rajih Nibras; Humaira, Syifa Aqila; Pradeka, Deden; Khaerunnisa, Zahra
Power Elektronik : Jurnal Orang Elektro Vol 14, No 1 (2025): POWER ELEKTRONIK
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/polektro.v14i1.8199

Abstract

Keamanan data menjadi hal yang sangat penting untuk melindungi kerahasiaan dari seseorang. Keamanan dan kerahasiaan data berpengaruh terhadap proses pertukaran pesan penting. Banyak teknik keamanan data yang dapat digunakan demi menjaga kerahasiaan pesan dari pihak lain, meliputi kriptografi dan steganografi. Penelitian ini bertujuan mengembangkan aplikasi Android bernama PiGANO yang menggabungkan algoritma Caesar Cipher dan Least significant bit (LSB) guna meningkatkan keamanan dan kerahasiaan pesan dalam media gambar. Proses penelitian mencakup analisis kebutuhan, desain sistem, implementasi algoritma, serta pengujian aplikasi melalui tahapan perhitungan MSE dan PSNR dari hasil enkripsi untuk mengukur tingkat kesalahan dan kualitas gambar hasil enkripsi. Hasil penelitian menunjukkan bahwa aplikasi ini berhasil mengenkripsi pesan serta menyembunyikannya dalam media gambar dengan baik. Aplikasi ini memberikan tingkat keamanan ganda dengan memadukan teknik kriptografi dan steganografi, sehingga pesan terlindungi dari pihak yang tidak berwenang. Penerapan algoritma Caesar Cipher menghasilkan pesan yang terenkripsi dan sulit diakses, sementara algoritma LSB mampu menyembunyikan pesan dalam gambar digital tanpa mempengaruhi kualitas visual. Penelitian ini membuktikan bahwa kombinasi kedua teknik ini efektif untuk menjaga kerahasiaan data.
Implementation of Least Significant Bit Steganography with Caesar Cipher Layout Dvorak web-based Kurnia, Ridhwan Nadif; Pradiptha, Al Diras; Permana, Muhammad Fajar Jati; Dipradja, Kimberly Alfa; Afrizal, Rizki; Pradeka, Deden; Khaerunnisa, Zahra
Jurnal Simantec Vol 14, No 1 (2025): Jurnal Simantec Desember 2025 (Article in Progress)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/simantec.v14i1.28794

Abstract

Secure data communication is an essential requirement in the digital age, especially in the exchange of confidential information. One of the main problems is the potential for eavesdropping by unauthorised parties who can access open messages. To overcome this, this research aims to develop a website-based system that combines the Least Significant Bit (LSB) method steganography technique and the Caesar cipher method cryptography with the Dvorak keyboard layout to increase data security. The research method used is prototype method with the stages of concept formulation, prototype design, and continuous evaluation. The system was tested by inserting the word ‘TEKKOM’ into a digital image and measuring the quality using Mean Squared Error (MSE) and Peak Signal-to-Noise Ratio (PSNR). The test results show an MSE value of 0.0001466049 and PSNR of 86.47 dB, which means that the visual quality of the image does not decrease significantly and the message is successfully inserted and extracted without errors. The Dvorak keyboard layout adds a layer of security through uncommon input patterns, making it difficult for outsiders to analyse. Thus, the system is able to provide a secure, efficient, and practical solution for web-based information hiding without the need for a database and is still user-friendly.Keywords: Dvorak, Steganography, Caesar Cipher, Least Significant Bit, Website
Implementation of Least Significant Bit Steganography with Caesar Cipher Layout Dvorak web-based Kurnia, Ridhwan Nadif; Pradiptha, Al Diras; Permana, Muhammad Fajar Jati; Dipradja, Kimberly Alfa; Afrizal, Rizki; Pradeka, Deden; Khaerunnisa, Zahra
Jurnal Simantec Vol 14, No 1 (2025): Jurnal Simantec Desember 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/simantec.v14i1.28794

Abstract

Secure data communication is an essential requirement in the digital age, especially in the exchange of confidential information. One of the main problems is the potential for eavesdropping by unauthorised parties who can access open messages. To overcome this, this research aims to develop a website-based system that combines the Least Significant Bit (LSB) method steganography technique and the Caesar cipher method cryptography with the Dvorak keyboard layout to increase data security. The research method used is prototype method with the stages of concept formulation, prototype design, and continuous evaluation. The system was tested by inserting the word ‘TEKKOM’ into a digital image and measuring the quality using Mean Squared Error (MSE) and Peak Signal-to-Noise Ratio (PSNR). The test results show an MSE value of 0.0001466049 and PSNR of 86.47 dB, which means that the visual quality of the image does not decrease significantly and the message is successfully inserted and extracted without errors. The Dvorak keyboard layout adds a layer of security through uncommon input patterns, making it difficult for outsiders to analyse. Thus, the system is able to provide a secure, efficient, and practical solution for web-based information hiding without the need for a database and is still user-friendly.Keywords: Dvorak, Steganography, Caesar Cipher, Least Significant Bit, Website
Co-Authors Afrizal, Rizki Auriel, Muhammad Deden Pradeka Dipradja, Kimberly Alfa Fauziah, Rahmah Humaira, Syifa Aqila Khoir, Farhan Ramadhan Kurnia, Ridhwan Nadif Maulana, Rajih Nibras Permana, Muhammad Fajar Jati Pradiptha, Al Diras Saragi, Muhammad Salam Pararta