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All Journal Jurnal Teknologi Informasi dan Terapan (J-TIT) DIGIMAS: Jurnal Transformasi Digital Masyarakat
Atmoko, Rizky Alfanio
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Agriculture, Biological Sciences & Forestry Computer Science & IT Education Electrical & Electronics Engineering Engineering Other

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An Encryption Method of 8-Qubit States Using Unitary Matrix and Permutation Susanto, Bekti Maryuni; Atmoko, Rizky Alfanio; Kartiko, Erik Yohan; Setiyadi, Agung Teguh
Jurnal Teknologi Informasi dan Terapan Vol 11 No 2 (2024): December
Publisher : Jurusan Teknologi Informasi Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/jtit.v11i2.433

Abstract

The paper explores the methods for encrypting and decrypting an 8-qubit states of quantum system using unitary and permutation matrix. Our approach utilizes a unitary matrix to create a new superpositions of an encrypted 8-qubits states. By applying a permutation matrix, we shuffle the state vectors, adding an additional layer of security. The encryption process will be performed on the encrypted state using the formula , where is the original state vector, is the unitary matrix, and is the permutation matrix. To ensure the total probability remains normalized, we showed that the resulting new 8-qubits state remains normalized. The decryption process is achieved by applying the following operations retrieving the original state. This paper also is showing that the original quantum state can be accurately recovered post-decryption. This highlights the robustness of our approach in maintaining the integrity of quantum information. Furthermore, we aim to create block for different 8-qubits state using a different key in each block from the initial unitary matrix and permutation . In order to implement these methods, we need to generate a new unitary matrix for each block. Either by random pick or using iteration. In fact, we showed how to create the new unitary matrix using iteration for each block. Here we showed that the new generated matrix is also a unitary matrix so that we can use iteration proses to create a new unitary matrix in each block for different 8-qubits state. Here we generate the unitary matrix from as key in block . This result in the encryption of each block for each 8-qubits state using the formula resulting in a more robust security. The encryption/decryption scheme we referenced can theoretically be implemented on modern quantum hardware but verifying operations involving hundreds of qubits would demand rigorous calibration and error correction
Pembinaan Olimpiade Sains Nasional Informatika Tingkat Provinsi di SMAN 1 Jember Atmoko, Rizky Alfanio; Saputra, Muhammad Andryan Wahyu; Novtahaning, Damar; Kartiko, Erik Yohan; Ranggianto, Narandha Arya; Segara, Akbar Pandu; Arief, M. Habibullah
Jurnal Transformasi Digital Masyarakat (DIGIMAS) Vol. 1 No. 3 (2025): DIGIMAS: Jurnal Transformasi Digital Masyarakat
Publisher : Universitas Jember

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Abstract

Abstrak−Pembinaan Olimpiade Sains Nasional (OSN) Informatika merupakan salah satu upaya strategis dalammempersiapkan siswa menghadapi kompetisi akademik berskala nasional. Kegiatan pengabdian kepada masyarakat inidilaksanakan sebagai program lanjutan dari pembinaan OSN tingkat kabupaten/kota yang sebelumnya berhasil meloloskanseorang siswa SMAN 1 Jember bernama Firdaus ke seleksi tingkat provinsi Jawa Timur. Fokus kegiatan adalah memberikanpendalaman materi pemrograman lanjutan, struktur data, dan algoritma melalui metode tatap muka, latihan soal intensif,diskusi interaktif, serta simulasi kompetisi. Hasil kegiatan menunjukkan adanya peningkatan pemahaman konsep algoritmik,keterampilan pemrograman, serta kepercayaan diri siswa dalam menghadapi soal setingkat provinsi. Program ini berhasilmendukung Firdaus untuk berkompetisi pada OSN tingkat provinsi, sekaligus menjadi motivasi bagi siswa lain di SMAN 1Jember untuk berprestasi dalam bidang informatika.
Pembinaan Olimpiade Sains Nasional Informatika di SMAN 2 dan SMAN 1 Jember Atmoko, Rizky Alfanio; Saputra, Muhammad Andryan Wahyu; Novtahaning, Damar; Kartiko, Erik Yohan; Ranggianto, Narandha Arya; Segara, Akbar Pandu; Arief, M. Habibullah
Jurnal Transformasi Digital Masyarakat (DIGIMAS) Vol. 1 No. 2 (2025): DIGIMAS: Jurnal Transformasi Digital Masyarakat
Publisher : Universitas Jember

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Abstract

Program "Pembinaan OLIMPIADE SAINS NASIONAL (OSN) di SMAN 2 dan SMAN 1 Jember" dirancang untukmeningkatkan kompetensi siswa dalam bidang Informatika melalui pelatihan intensif tatap muka di Fakultas Ilmu KomputerUniversitas Jember (UNEJ) dan di lingkungan sekolah. Kegiatan mingguan ini berfokus pada penguasaan algoritma,pemrograman, dan logika, dilengkapi evaluasi berkala berupa latihan soal, tes, dan simulasi kompetisi. Sasaran utamanyaadalah siswa berpotensi dari kedua sekolah yang dipersiapkan untuk OSN tingkat nasional. Dampak yang diharapkanmencakup peningkatan prestasi siswa, penguatan mental kompetitif, serta kontribusi terhadap pengembangan reputasiakademik sekolah. Manfaat ini juga dirasakan oleh guru pendamping, sekaligus memperkaya sumber belajar di SMAN 2 danSMAN 1 Jember.
Co-Authors Akbar Pandu Segara Bekti Maryuni Susanto Damar Novtahaning Kartiko, Erik Yohan M. Habibullah Arief Muhammad Andryan Wahyu Saputra Narandha Arya Ranggianto Setiyadi, Agung Teguh