Implementasi One Time Password dengan Metode Advanced Encryption Standard

Prosiding Seminar Nasional Universitas Ma Chung ◽

10.33479/snumc.v1i.233 ◽

2021 ◽

Vol 1 ◽

pp. 81-90

Author(s):

Oesman Hendra Kelana ◽

Paulus Lucky Tirma Irawan ◽

Patricia Meiliana Halim

Keyword(s):

Advanced Encryption Standard ◽

One Time Password

Teknologi yang terus berkembang membutuhkan tingkat keamanan yang tinggi, terutama dalammenjaga password. Untuk mengatasi password yang harus diubah dalam jangka waktu tertentu, digunakanlahOne-Time Password (OTP). OTP sudah berhasil diimplementasikan dalam berbagai kasus perbankanmenggunakan token. Penelitian ini bertujuan untuk mengimplementasikan OTP dalam smartphone, terutamaAndroid yang diharapkan dapat menggantikan fungsi token yang sudah ada. Metode yang digunakan untukmembangkitkan OTP dalam penelitian ini adalah metode AES (Advanced Encryption Standard). Aplikasiberbasis Android yang dihasilkan dapat menggantikan fungsi token yang ada saat ini. Selain itu, dalammengimplementasikan algoritma kriptografi AES untuk OTP berdasarkan challenge, aplikasi inimenggunakan secret number yang akan bertambah seiring dengan jumlah pembangkitan OTP.

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Implementasi Enkripsi dan Otentikasi Transmisi Data ZeroMQ Menggunakan Advanced Encryption Standard

Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) ◽

10.29207/resti.v4i6.2581 ◽

2020 ◽

Vol 4 (6) ◽

Author(s):

I Made Sukarsa ◽

I Made Rama Pradana ◽

Putu Wira Buana

Keyword(s):

Direct Observation ◽

Advanced Encryption Standard ◽

Message Delivery ◽

Normal Delivery ◽

Delivery Performance ◽

Data Message ◽

Encryption And Authentication ◽

Block Chaining

Communication via sockets is used to transmit information between applications or between processes over network or locally. ZeroMQ is a library for sending messages using sockets that are quite well known. Talking about sending data, message security is an important part that needs to be taken into account, especially when sending data over a network. ZeroMQ sends messages openly without securing the messages sent. This is evidenced by research which states that ZeroMQ does not have a security layer for sending messages over the network and direct observation of message packets using the wireshark application. Therefore, this study creates a method of securing and authenticating message delivery using AES (Advanced Encryption Standard) CBC (Cipher Block Chaining) mode combined with an authentication method. The AES CBC mode was chosen because it is faster than other methods and has strong encryption. This encryption and authentication are used so that the sender and recipient of the message are both valid senders and recipients so that no message changes during message delivery and messages can only be opened by the message recipient and the sender of the message. Tests are conducted to measure the effect of encryption and authentication on message delivery performance. Based on the tests conducted, there is an increase of 7% from normal delivery speed and the potential for messages is not up to 0.3% - 1.5%.

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