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Differential Fault Attack on Grain v1, ACORN v3 and Lizard
Differential Fault Attack Stream Cipher Grain v1
2017/7/14
Differential Fault Attack (DFA) is presently a very well known technique to evaluate security of a stream cipher. This considers that the stream cipher can be weakened by injection of the fault. In th...
Lizard is a very recently proposed lightweight stream cipher that claims 60 bit security against distinguishing (related to state recovery) and 80 bit security against key recovery attack.
Lizard is a lightweight stream cipher proposed by Hamann, Krause and Meier in IACR ToSC 2017. It has a Grain-like structure with two state registers of size 90 and 31 bits. The cipher uses a 120 bit S...
LIZARD - A Lightweight Stream Cipher for Power-constrained Devices
Stream Ciphers Lightweight Cryptography Time-Memory-Data Tradeoff Attacks
2016/12/8
Time-memory-data (TMD) tradeoff attacks limit the security level of many classical stream ciphers (like E0, A5/1, Trivium, Grain) to n/2n/2, where nn denotes the inner state length of the underlying k...
Lizard: Cut off the Tail! Practical Post-Quantum Public-Key Encryption from LWE and LWR
Post-Quantum Cryptography Public-Key Encryption Learning with Rounding (LWR)
2016/12/7
The Learning with Errors (LWE) is one of the most promising primitive for post-quantum cryptography due to its strong security reduction from the worst-case of NP-hard problems and its lightweight ope...