PERBANDINGAN ALGORITMA AES (ADVANCED ENCRYPTION STANDARD) DAN 3DES(TRIPLE DATA ENCRYPTION ALGORITHM) MENGGUNAKAN MANAJEMEN KUNCI ECDH (ELLIPTIC CURVE DIFFIE–HELLMAN) UNTUK MENGAMANKAN PESAN INSTANT MESSAGING MOBILE ANDROID

ANDRI, MUHAMMAD and Mulya, Megah and Al Farissi, Al Farissi (2018) PERBANDINGAN ALGORITMA AES (ADVANCED ENCRYPTION STANDARD) DAN 3DES(TRIPLE DATA ENCRYPTION ALGORITHM) MENGGUNAKAN MANAJEMEN KUNCI ECDH (ELLIPTIC CURVE DIFFIE–HELLMAN) UNTUK MENGAMANKAN PESAN INSTANT MESSAGING MOBILE ANDROID. Undergraduate thesis, Sriwijaya University.

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Abstract

Instant messaging is a rapidly evolving communications service, this evolution requires a security mechanism that can keep every sent messages safely from eavesdropper (third party or secret listener). In this final project, instant messaging application was developed to compare AES and 3DES algorithms for message encryption, and use ECDH algorithm to perform key exchange between the sender and receiver. The results of testing the speed of encryption and decryption of 2 smartphones show the speed of smartphone that support hardware acceleration (AES-NI) is 3—13 times faster in encryption, while in decryption is 2—10 times faster than smartphone that do not support hardware acceleration (AES-NI). The results of delay experiments do not show significant differences between the two smartphones and even tend to be the same, for the difference in the perceived delay between message sending without using encryption and decryption tends to be only 10—50 ms difference if implementing the AES and 3DES algorithm from the java library JCA. While for custom algorithm without library show very significant difference for text with length of 1024 byte causing delay up to 6104.4 ms. K

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Instant Messaging, Cryptography, Enkripsi, Advanced Encryption Standard, Triple Data Encryption Standard, elliptic curve cryptography, Android
Subjects: T Technology > T Technology (General) > T58.5-58.64 Information technology
Divisions: Faculty of Computer Science > 55201-Informatics (S1)
Depositing User: Mrs Sri Astuti
Date Deposited: 20 Sep 2019 04:24
Last Modified: 20 Sep 2019 04:24
URI: http://repository.unsri.ac.id/id/eprint/8205

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