Improving and Evaluating Differential Fault Analysis on LED with Algebraic Techniques

2013 ◽  
Author(s):  
Xinjie Zhao ◽  
Shize Guo ◽  
Fan Zhang ◽  
Zhijie Shi ◽  
Chujiao Ma ◽  
...  
Keyword(s):  
Fault Analysis ◽  
Differential Fault Analysis

Probabilistic signature based generalized framework for differential fault analysis of stream ciphers

2016 ◽  
Vol 9 (4) ◽  
pp. 523-543 ◽  
Author(s):  
Santanu Sarkar ◽  
Prakash Dey ◽  
Avishek Adhikari ◽  
Subhamoy Maitra
Keyword(s):  
Fault Analysis ◽  
Stream Ciphers ◽  
Differential Fault Analysis ◽  
Generalized Framework

scholarly journals Breaking Trivium Stream Cipher Implemented in ASIC Using Experimental Attacks and DFA

Sensors ◽  
2020 ◽  
Vol 20 (23) ◽  
pp. 6909
Author(s):  
Francisco Eugenio Potestad-Ordóñez ◽  
Manuel Valencia-Barrero ◽  
Carmen Baena-Oliva ◽  
Pilar Parra-Fernández ◽  
Carlos Jesús Jiménez-Fernández
Keyword(s):  
Stream Cipher ◽  
Internal State ◽  
Clock Cycle ◽  
Fault Analysis ◽  
Invasive Technique ◽  
Sensitive Information ◽  
Secret Key ◽  
Key Recovery ◽  
Differential Fault Analysis ◽  
Secret Keys

One of the best methods to improve the security of cryptographic systems used to exchange sensitive information is to attack them to find their vulnerabilities and to strengthen them in subsequent designs. Trivium stream cipher is one of the lightweight ciphers designed for security applications in the Internet of things (IoT). In this paper, we present a complete setup to attack ASIC implementations of Trivium which allows recovering the secret keys using the active non-invasive technique attack of clock manipulation, combined with Differential Fault Analysis (DFA) cryptanalysis. The attack system is able to inject effective transient faults into the Trivium in a clock cycle and sample the faulty output. Then, the internal state of the Trivium is recovered using the DFA cryptanalysis through the comparison between the correct and the faulty outputs. Finally, a backward version of Trivium was also designed to go back and get the secret keys from the initial internal states. The key recovery has been verified with numerous simulations data attacks and used with the experimental data obtained from the Application Specific Integrated Circuit (ASIC) Trivium. The secret key of the Trivium were recovered experimentally in 100% of the attempts, considering a real scenario and minimum assumptions.

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