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Quantum Attacks without Superposition Queries: the Offline Simon Algorithm
Simon's algorithm classical queries symmetric cryptography
2019/6/4
In symmetric cryptanalysis, the model of superposition queries has lead to surprising results, with many constructions being broken in polynomial time thanks to Simon's period-finding algorithm. But t...
Superposition Attacks on Cryptographic Protocols
cryptographic protocols / quantum protocols superposition attacks
2012/3/27
Attacks on cryptographic protocols are usually modeled by allowing an adversary to ask queries to an oracle. Security is then defined by requiring that as long as the queries satisfy some constraint, ...