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All Journal International Journal of Electrical and Computer Engineering TELKOMNIKA (Telecommunication Computing Electronics and Control) EXPERT: Jurnal Manajemen Sistem Informasi dan Teknologi Biotropika Jurnal Informatika Jurnal Informatika Prosiding Seminar Nasional Darmajaya Jurnal Pengabdian kepada Masyarakat Nusantara Journal of Food System and Agribusiness (JoFSA) Internet of Things and Artificial Intelligence Journal Proceeding Applied Business and Engineering Conference ROUTERS: Jurnal Sistem dan Teknologi Informasi Jurnal Ilmiah ESAI
Putra, Septafiansyah Dwi
Politeknik Negeri Lampung
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Journal : International Journal of Electrical and Computer Engineering

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IT Service Management System Measurement using ISO20000-1 and ISO15504-8: Developing a Solution-Mediated Process Assessment Tool to Enable Transparent and SMS Process Assessment Imam Asrowardi; Septafiansyah Dwi Putra; Eko Subyantoro; Norzaidi Haji Mohd Daud
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 5: October 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (663.074 KB) | DOI: 10.11591/ijece.v8i5.pp4023-4032

Abstract

Information technology is about not only hardware, software, communication infrastructure and communication infrastructure but also how to manage services. Information technology plays an increasingly important role in developing the structure and functions of public and private sectors. Service measurement plays an important role in IT service management (ITSM) that is one of the subfields of Services Computing science. ITSM is a big part of service science, a science field that combines computer science, operation research engineering, business strategy, management science, and organizational theory. Performance measurement from each of IT services is absolutely needed and is important in the continuous development of ITSM. These research provide good technical knowledge about the measuring ITSM with some requirements. In this paper we suggest the metrics in each service processes enables organizations to predict a direction for active process enhancement and to identify if the goal of process can achieve. This objective process metrics based on ISO/IEC 15504-8 and PRM ISO/IEC 20000-4 refinement. The output of this research, in the form of metrics and tools for any type organizational use.
Revealing AES Encryption Device Key on 328P Microcontrollers with Differential Power Analysis Septafiansyah Dwi Putra; Adang Suwandi Ahmad; Sarwono Sutikno; Yusuf Kurniawan; Arwin Datumaya Wahyudi Sumari
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 6: December 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (838.471 KB) | DOI: 10.11591/ijece.v8i6.pp5144-5152

Abstract

This research demonstrates the revealing of an advanced encryption standard (AES) encryption device key. The encryption device is applied to an ATMEGA328P microcontroller. The said microcontroller is a device commonly used in internet of things (IoT). We measured power consumption when the encryption process is taking place. The message sent to the encryption device is randomly generated, but the key used has a fixed value. The novelty of this research is the creation of a systematic and optimal circuit in carrying the differential power analysis or difference of means (DPA/DoM) technique, so the technique can be applied in key revealing on a microcontroller device by using 500 traces in 120 seconds.
Co-Authors Adang Suwandi Ahmad Agiska Ria Supriyatna Ambarwari, Agus Arwin Datumaya Wahyudi Sumari Asrowardi, Imam Eko Subyantoro Eko Subyantoro Fitriani Fitriani Haikal, Antoni Halim Fathoni Imam Sofi'i Kemas, Kemas Ocha Khairi Saputra Lailita Permata Mario Yudhiprawira Moh. Haris Imron S Jaya Nelmiawati, Nelmiawati Noer, Irmayani Norzaidi Haji Mohd Daud Nurul Qomariyah Sarwono Sutikno Subyantoro, Eko Subyantoro, Eko Subyantoro, Eko Subyantoro, Eko Supriyatna, Agiska Ria Utomo, Feri Widyawati, Dewi Kania Yusuf Kurniawan Zuriati, Zuriati