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TA - Impossible Differential Attack pada LBlock-s

Indra Setia Rahmat - Personal Name; Santi Indarjani - Personal Name;

Skema Lightweight Authenticated Encryption Cipher (LAC) merupakan skema authenticated encryption yang menggunakan cryptographic primitives algoritma LBLock-s dan Pelican MAC. Algoritma LBlock-s merupakan modifikasi dari algoritma LBlock. Algoritma LBlock dan Pelican MAC telah diserang menggunakan impossible differential attack.
Pada penelitian ini dilakukan impossible differential attack algoritma LBlock-s yang diawali dengan pencarian impossible differential path menggunakan metode miss-in-the-middle dan pendekatan information feedback berdasarkan struktur dan sifat nibble difference algoritma LBlock-s. Penerapan impossible differential attack dilakukan dengan pendekatan hubungan antar round subkey berdasarkan hasil observasi key schedule.
Metode miss-in-the-middle dan pendekatan information feedback dilakukan berdasarkan sifat 1* (observasi 1, 2 dan 3) dan sifat 2* (observasi 5, 6, 7 dan 9). Hasil penerapan algoritma LBlock-s 16-round menggunakan satu karakteristik berdasarkan pendekatan key shedule dapat diduga sebanyak 80 bit input key dengan kompleksitas data 2^56,17, sementara menggunakan empat karakteristik memiliki kompleksitas data 2^55,0025. Algoritma LBlock-s 16-round berdasarkan impossible differential path 14-round secara teoritis tidak resistan terhadap impossible differential attack.

Kata kunci : LBlock-s (1), impossible differential attack (2), metode miss-in-the-middle dan pendekatan information feedback (3)


Availability
#
Perpustakaan Poltek SSN (TA/SKRIPSI) 2016 IND i
TA20160100066
Available - Read on Location
#
Perpustakaan Poltek SSN (TA/SKRIPSI) 2016 IND i
TA20160100067
Available - Read on Location
Detail Information
Series Title
-
Call Number
2016 IND i
Publisher
Bogor : Sekolah Tinggi Sandi Negara., 2016
Collation
xii, 200 hlm.; ilus.; 30 cm.
Language
Indonesia
ISBN/ISSN
-
Classification
TA/SKRIPSI
Content Type
-
Media Type
-
Carrier Type
-
Edition
-
Subject(s)
-
Specific Detail Info
-
Statement of Responsibility
Indra Setia Rahmat
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