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Journal : JAIS (Journal of Applied Intelligent System)

The Implementation of Improved Advanced Encryption Standard and Least Significant Bit for Securing Messages in Images Pujiono, Imam Prayogo; Rachmawanto, Eko Hari; Nugroho, Dicky Anggriawan
Journal of Applied Intelligent System Vol. 8 No. 1 (2023): Journal of Applied Intelligent System
Publisher : Universitas Dian Nuswantoro and IndoCEISS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33633/jais.v8i1.7324

Abstract

Security and confidentiality are essential aspects needed in the process of exchanging messages. Maintaining the message's security and confidentiality can be done by encrypting the message with cryptographic techniques to protect the message. However, the encrypted message (ciphertext) usually raises suspicion from eavesdroppers so that they try to unravel the contents of the message or damage the contents of the message or prevent the message from reaching the intended recipient. To avoid eavesdroppers' suspicion of encrypted messages, after encryption, the ciphertext can then be inserted into an image using steganography techniques so that eavesdroppers do not know whether there is a secret message in an image. In this research, the authors use the Improved AES-128 (Advanced Encryption Standard) Algorithm to encrypt messages and LSB (Least Significant Bit) Algorithm to insert ciphertext into an image. Where the AES Algorithm Improvement is made by adding a sending and receiving applications ID to modify the Key Schedule process, with modifications to the Key Schedule process, messages can only be read on the original recipient's cellphone by entering the correct key. The results of this study show that eavesdroppers do not easily know the existence of the ciphertext, besides that even if the eavesdroppers get the ciphertext and know the encryption key, the message remains unreadable on their cellphone because the ID of the application sending or receiving the message has changed.
Co-Authors A'izatul Haira, Nala Abdi Cahya Subekti Abdul Majid Abu Hanif I. F. Adhiel, Adhiel Rahma Agung Prihandono Agustin, Amelya Agustina, Risma Wati Agyztia Premana Ahmad Abdussalaam Ahmad Aufal Marom Ahmad Burhanuddin, Ahmad Ahmad Ta'rifin Ahmad Turmudi Aisyah Aisyah Ajib Susanto Alfisyah, Ahmad Ammarulloh, Satriaji Andy Rachman Anugrah, Anggita Dwi Anwar, M. Shokhib Anzaini, Sayla Salma Apriani, Nadisa Ardansyah , Dawam Ardhiartha P.U., Surya Asfahani, Asfahani Aulia Miza, Nur Ayon Diniyanto Bangkit Rizka Hidayatullah Brilianu Sentanu Vito Christy Atika Sari Darutama, Ardiyan Dea Karuniawati Desi Lestari, Desi Desta Adyangga Saputra Diah Puspitaningrum Dian Sukmawati Sudrajat Dicky Anggriawan Nugroho Edi Suharyadi Eka Puji Rahayu Eko Hari Rachmawanto Elvina Rizqi Emi Nurlaela Erwin Erwin Fachri Ali Fachri Ariza, Said Fadilah Zahra Dwi Kinanti Fadilah, Gita Faiz, Muhammad Fasyih, Muhammad Rofi Nur Fatkhatun Naela Ferida Rahmawati Fiantika Mutia Rahma Fida Maisa Hana Firda Aulia Izzati Firdausi, Muh Izzat Firdausi, Muhammad Izzat Fitroh, Qorry Aina Furqon Lanang Habibah, Adinda Destiani Haiqa Virly Azzahra Hakim Elkominoki, M. Lukman Hamdi Yahya, Muhammad Hikmah Sofyan, Nurul Himawan, Inggil Ibnu Utomo Ihsan, Fuad Naufal Ihsanul Ahadin, Akbar Ikhsanuddin, Rohmatulloh Muhamad Imas Saffanatul Aminah Indra Kurniawan Irfan Ali, Muhammad Jainul Arifin Jainul Arifin Kuat Ismanto Lilik Riandita Lukman Shodik M. Adin Setyawan M. Akmal Fatkhan Rifqi M. Arsyad Alkadafi M. Azka Failandri M. Syaifuddin Maesyaroh Mochamad Iskarim Moh. Syaifuddin Mohammad Syaifuddin Mufidah, Haniatul Muhamad Ridwan Muhammad Agus Muhammad Anifan Muhammad Rikzam Kamal Muhammad Rikzam Kamal Muhammad Risqi Agung Pratama Musyaffa, Muhammad Zaki Mutiara Sofia Ramadhani Nazwa, Nazwa Gista Aulia Nisa , Nabila Luthfiyatun Noorma Fitriana M. Zain Nugroho, Dicky Anggriawan Nur Fatikhatul Jannah Nur Fatmaluna, Shabina Nur, Muhammad Zidni Nurul Hikmah Sofyan Nurwijayanti Oktaviani, Linda Pasha Ferbitama Perdana, Firdaus Prabowo, Dimas Setiaji Prayogi, Arditya Putri, Adhystha Az-Zahra QURROTA A’YUN Raharjo, Karunia rahayu, eka puji Rahmawan Bagus Trianto Rangga Dzikri Fardiarsyah Rhischa Assabet Shilla Rhischa Assabet Shilla, Rhischa Assabet Riandita, Lilik Richa Qonitatin Lazaba Riki Nasrullah Riki Nasrullah Riyadi, Ridho Rizal, Muhamad Rizaludin Rofiah, Nurul Hidayati Rohmad Abidin Rohmah, Syifa Rohmatulloh Muhamad Ikhsanuddin Sabrina, Arum Rahma Putri Saffanatul Aminah, Imas Safinatunaja , Dhifa Saizi, Muhammad Salman Salma, Salma Aulia Shofiani, Rissa Singgih Setiawan Singgih Setiawan Singgih Setiawan Sofia, Lailatul Sofiana, Sofa Sopiah, Sopiah Syaifuddin, Moh Sylva Fahri Nailannaja Syukron, Akhmad Aufa Tiara Ananda Maulidia Tsalisa Yuliyanti Turmudi, Ahmad Ummy Fatimah Utomo, Surya Ardhiartha Putro Widodo Hami Wijanarto Wijanarto Winarsih, Nurul Anisa Sri Yasmin, Nazhifa Naura Yoga Religia Zahwa Arizza Arthamevia Zuhrufillah, Khafifah Zulmi Aulia Azhari Abbas