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On the Data Limitation of Small-State Stream Ciphers: Correlation Attacks on Fruit-80 and Plantlet
Small-state stream cipher Grain Correlation attack
2019/7/15
Many cryptographers have focused on lightweight cryptography, and a huge number of lightweight block ciphers have been proposed. On the other hand, designing lightweight stream ciphers is a challengin...
Fast Correlation Attacks on Grain-like Small State Stream Ciphers and Cryptanalysis of Plantlet, Fruit-v2 and Fruit-80
Fast correlation attack Stream cipher Grain-like
2019/7/8
The fast correlation attack (FCA) is one of the most important cryptanalytic techniques against LFSR-based stream ciphers. In CRYPTO 2018, Todo et al. found a new property for the FCA and proposed a n...
Plantlet is a lightweight stream cipher designed by Mikhalev, Armknecht and M\"{u}ller in IACR ToSC 2017. It has a Grain-like structure with two state registers of size 40 and 61 bits. In spite of thi...
Lightweight stream ciphers have received serious attention in the last few years. The present design paradigm considers very small state (less than twice the key size) and use of the secret key bits d...