Weijia Xue

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Feistel structure is widely used in the design of block ciphers. With many Feistel-type ciphers being designed, it is likely for some of them to have some similarity which can be shown in their differential characteristics or linear characteristics. Noticing two Feistel-type ciphers, LBlock and TWINE, have the same number of impossible differential chains(More)
White-box cryptography (WBC) aims to resist attacks from attackers who can control all the implementation details of cryptographic schemes. In 2009, Saxena et al. proposed a fundamental of white-box cryptography via the notion “white-box property” (WBP). Under this model, they proved that there do not exist obfuscators that can satisfy every security notion(More)
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