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Quantum Chosen-Ciphertext Attacks against Feistel Ciphers
Feistel cipher Quantum chosen-ciphertext attacks Simon's algorithm
2018/12/19
Seminal results by Luby and Rackoff show that the 3-round Feistel cipher is secure against chosen-plaintext attacks (CPAs), and the 4-round version is secure against chosen-ciphertext attacks (CCAs). ...
On Quantum Chosen-Ciphertext Attacks and Learning with Errors
chosen-ciphertext security learning with errors quantum attacks
2018/12/11
Large-scale quantum computing is a significant threat to classical public-key cryptography. In strong “quantum access” security models, numerous symmetric-key cryptosystems are also vulnerable. We con...