| Инд. авторы: | Ryabko B., Soskov A. |
| Заглавие: | Application of the distinguishing attack to lightweight block ciphers |
| Библ. ссылка: | Ryabko B., Soskov A. Application of the distinguishing attack to lightweight block ciphers // Proceedings of 2017 International Multi-Conference on Engineering, Computer and Information Sciences (SIBIRCON): Novosibirsk, 18-22 Sep 2017. - 2017. - P.338-341. |
| Внешние системы: | DOI: 10.1109/sibircon.2017.8109901 ; РИНЦ: 34872557; SCOPUS: 2-s2.0-85040515800; WoS: 000426816500077; |
| Реферат: | eng: By definition, a distinguishing attack is any test that allows distinguishing the encrypted data from random data and modern symmetric-key ciphers must be immune to such an attack. In other words, modern block ciphers are designed to have ciphertext indistinguishability. If an algorithm that can distinguish the cipher output from random faster than a brute force search is found, then that is considered a break of the cipher. We applied the distinguishing attack to modern lightweight block ciphers Speck, Simon, Simeck, HIGHT and LEA using statistical test 'Book Stack'. We experimentally found a minimal number of rounds where encrypted data looked like random bit-sequence. It is shown, that this number of rounds varies significantly for different ciphers. In particular, our experiments and estimations show that cipher Simeck48/96 is not immune to distinguishing attack. © 2017 IEEE. |
| Ключевые слова: | Symmetric-key cipher; Lightweight block ciphers; Indistinguishability; Encrypted data; Distinguishing attacks; Block ciphers; Bit sequences; Security of data; Lyapunov methods; Brute force search; Cryptography; |
| Издано: | 2017 |
| Физ. характеристика: | с.338-341 |
| Конференция: | Название: 2017 International Multi-Conference on Engineering, Computer and Information Sciences Аббревиатура: SIBIRCON Город: Novosibirsk Страна: Russia Даты проведения: 2017-09-18 - 2017-09-22 |
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