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A Reaction Attack against Cryptosystems based on LRPC Codes
Rank-based cryptography Code-based cryptography LRPC cryptosystems
2019/7/22
Rank metric is a very promising research direction for code-based cryptography. In fact, thanks to the high complexity of generic decoding attacks against codes in this metric, it is possible to easil...
We propose a new reaction attack on the public-key cryptosystem LEDApkc. The adversary uses the decoding failure rate (DFR) analysis to learn information about the secret masking matrix Q.
A Reaction Attack on the QC-LDPC McEliece Cryptosystem
QC-LDPC McEliece cryptosystem reaction attack soft-decision decoding
2017/6/2
Guo et al. recently presented a reaction attack against the QC-MDPC McEliece cryptosystem. Their attack is based on the observation that when a bit-flipping decoding algorithm is used in the QC-MDPC M...