A Study on Key Recovery of Lightweight Block Cipher LEA Using Round Addition DFA

Transactions of the Society of Instrument and Control Engineers 2026

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Authors: Shohei TABE, Masahiro Kaminaga, Hideki YOSHIKAWA
DOI: 10.9746/sicetr.62.56
Cited by: 0
References: 7

Abstract

We applied round addition DFA to LEA, and with two fault injections, successfully derived the secret key for LEA-128 and LEA-192, and partially derived 192 bits of the secret key for LEA-256.

Fields of Study & Subjects

Cryptographic Implementations and Security Coding theory and cryptography Cryptography and Residue Arithmetic

Publication details

Journal / source
Transactions of the Society of Instrument and Control Engineers
Volume
62
Issue
1
Pages
56–58
Publication date
1 January 2026
Language
EN