Title :
Secret key reconstruction method using round addition DFA on lightweight block cipher LBlock
Author :
Yoshikawa, H. ; Kaminaga, M. ; Shikoda, A. ; Suzuki, T.
Author_Institution :
Fac. of Eng., Tohoku Gakuin Univ., Tagajo, Japan
Abstract :
A round addition differential fault analysis (DFA) using operation bypassing for lightweight block cipher LBlock is presented. It is shown that only one correct ciphertext and two faulty ciphertexts are required to reconstruct the secret master key.
Keywords :
private key cryptography; LBlock lightweight block cipher; correct ciphertext; faulty ciphertexts; operation bypassing; round addition DFA; round addition differential fault analysis; secret key reconstruction method; secret master key reconstruction; Australia; Ciphers; Equations; Microcontrollers; Reconstruction algorithms; Schedules; Scheduling algorithms;
Conference_Titel :
Information Theory and its Applications (ISITA), 2014 International Symposium on
Conference_Location :
Melbourne, VIC
