Artículo
Breaking Trivium Stream Cipher Implemented in ASIC Using Experimental Attacks and DFA
Autor/es | Potestad Ordóñez, Francisco Eugenio
Valencia Barrero, Manuel Baena Oliva, María del Carmen Parra Fernández, María del Pilar Jiménez Fernández, Carlos Jesús |
Departamento | Universidad de Sevilla. Departamento de Tecnología Electrónica |
Fecha de publicación | 2020-12 |
Fecha de depósito | 2021-01-28 |
Publicado en |
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Premios | Premio Mensual Publicación Científica Destacada de la US. Escuela Politécnica Superior |
Resumen | 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 ... 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. |
Identificador del proyecto | TEC2013-45523-R
TEC2016-80549-R CSIC 201550E039 |
Cita | Potestad-Ordóñez, F.E., Valencia Barrero, M., Baena Oliva, M.d.C., Parra Fernández, M.d.P. y Jiménez Fernández, C.J. (2020). Breaking Trivium Stream Cipher Implemented in ASIC Using Experimental Attacks and DFA. Sensors, 20 (23), 6909-. |
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