PENGAMANAN FILE TEKS PADA APLIKASI MEMO MENGGUNAKAN VIGENERE CIPHER DAN RSA BERBASIS ANDROID

IMAN, M. RIZQI NUR and Al Farissi, Al Farissi and Arsalan, Osvari (2022) PENGAMANAN FILE TEKS PADA APLIKASI MEMO MENGGUNAKAN VIGENERE CIPHER DAN RSA BERBASIS ANDROID. Undergraduate thesis, Sriwijaya University.

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Abstract

The smartphone is a device that cannot be separated from human daily life and Android smartphones are the most widely used in Indonesia. According to Kominfo, 66.31% of Indonesians are use Android-based smartphones in 2017. With smartphones there are many things that can be done, such as write down the important personal notes on the memo. However, 67% of smartphone users have experienced personal data theft. Therefore, in order to reduce this an Android-based software was developed to store memos by applying the Vigenere cipher and RSA cryptographic algorithms. In this device RSA is used in passwords and will generate ciphertext and then used as a key for Vigenere cipher in securing text files. This software security was tested by using the Avalanche Effect. The security testing is performed on text files that have a .txt format and have a size of 400B-100KB. This security test is also carried out under several conditions, namely on original files, files that have changed the initial, middle, and final letters, as well as the same file but using a different password. Based on the security test, the Avalanche Effect value is 50%. So it can be concluded that the algorithm in the study is good because it is in accordance with the Avalanche Effect standard.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Avalanche Effect, Kriptografi, Memo, RSA, Smartphone, Vigenere Cipher
Subjects:	Q Science > QA Mathematics > QA150-272.5 Algebra > QA268 Cryptography -- Mathematics. Ciphers. Computer security. Electronic books
Divisions:	09-Faculty of Computer Science > 55201-Informatics (S1)
Depositing User:	M. Rizqi Nur Iman
Date Deposited:	31 Aug 2022 02:09
Last Modified:	31 Aug 2022 02:09
URI:	http://repository.unsri.ac.id/id/eprint/78125

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