AEAD Modes for ZUC Family Stream Ciphers
Hongli Li, Yonghui Wang, Yongbiao Ma, Wenyi Jia, Liang Bai
TL;DR
This paper introduces two new AEAD modes, ZUC-GXM and ZUC-MUR, designed to enhance the efficiency and security of ZUC stream ciphers for various applications.
Contribution
It proposes two novel AEAD modes tailored for ZUC ciphers, including a nonce-based GCM-like mode and a nonce misuse-resistant SIV-based mode.
Findings
ZUC-GXM improves efficiency for ZUC-128 and ZUC-256.
ZUC-MUR offers nonce misuse resistance for ZUC ciphers.
Both modes are suitable for different security requirements.
Abstract
In order to improve the efficiency of using ZUC primitives, we give two AEAD (Authenticated Encryption with Associated Data) modes for them, ZUC-GXM and ZUC-MUR. They are suitable for ZUC (ZUC-128) and two cases of ZUC-256. The former is a nonce-based AEAD, which is following the GCM framework. The latter is a nonce misuse-resistant one which is based on the framework of SIV variance, providing more robust applications for ZUC family stream ciphers.
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Taxonomy
TopicsCryptographic Implementations and Security · Chaos-based Image/Signal Encryption · Coding theory and cryptography