Analisis Keamanan Komparatif Algoritma Block Cipher Ringan Zorro dan Zorro++ terhadap AES Menggunakan NIST Statistical Test Suite
DOI:
https://doi.org/10.61132/uranus.v4i1.1494Keywords:
AES Comparison, Block Cipher Modification, Lightweight Cryptography, NIST Statistical Tests, Zorro CipherAbstract
Lightweight cryptographic algorithms are designed to ensure data security in resource-constrained environments, such as the Internet of Things (IoT) devices. This paper provides a comprehensive security analysis of the Zorro block cipher and its enhanced version, Zorro++, comparing them with the widely used Advanced Encryption Standard (AES). Zorro++ is introduced as an improved variant, featuring an increase in the number of encryption rounds from 24 to 32, applying substitution operations to the entire state, and implementing a dynamic round key generation mechanism. The security performance is evaluated using the NIST Statistical Test Suite (NIST STS), which includes four primary tests: Frequency, Serial, Longest Run of Ones, and Discrete Fourier Transform. The experimental results indicate that Zorro++ achieves average p-values comparable to AES-128 while maintaining its lightweight characteristics, which are crucial for applications in constrained environments.
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