[Resource Topic] 2024/1306: Scloud+: a Lightweight LWE-based KEM without Ring/Module Structure

Welcome to the resource topic for 2024/1306

Title:
Scloud+: a Lightweight LWE-based KEM without Ring/Module Structure

Authors: Anyu Wang, Zhongxiang Zheng, Chunhuan Zhao, Zhiyuan Qiu, Guang Zeng, Xiaoyun Wang

Abstract:

We propose Scloud+, a lattice-based key encapsulation mechanism (KEM) scheme.
The design of Scloud+ is informed by the following two aspects.
Firstly, Scloud+ is based on the hardness of algebraic-structure-free lattice problems, which avoids potential attacks brought by the algebraic structures.
Secondly, Scloud+ provides sets of light weight parameters, which greatly reduce the complexity of computation and communication complexity while maintaining the required level of security.

ePrint: https://eprint.iacr.org/2024/1306

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