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Motivated by revelations concerning population-wide surveillance of encrypted communications, we formalize and investigate the resistance of symmetric encryption schemes to mass surveillance. The foc...
Following the line of work presented recently by Bellare, Paterson and Rogaway, we formalize and investigate the resistance of linear secret-sharing schemes to mass surveillance. This primitive is w...
At CRYPTO 2014 Bellare, Paterson, and Rogaway (BPR) presented a formal treatment of symmetric encryption in the light of algorithm-substitution attacks (ASAs), which may be employed by ‘big brother’...
We present new algorithm-substitution attacks (ASAs) on symmetric encryption that improve over prior ones in two ways. First, while prior attacks only broke a sub-class of randomized schemes having a ...

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