Self-Guarding Cryptographic Protocols against Algorithm Substitution Attacks     public-key  private-key       font style='font-size:12px;'> 2017/10/10

We put forward the notion of self-guarding cryptographic protocols as a countermeasure to algorithm substitution attacks. Such self-guarding protocols can prevent undesirable leakage by subverted algo...

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Mass-surveillance without the State: Strongly Undetectable Algorithm-Substitution Attacks     algorithm substitution attacks  kleptography  symmetric encryption       font style='font-size:12px;'> 2015/12/24

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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