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Constructing Witness PRF and Offline Witness Encryption Without Multilinear Maps
Witness PRF Offline Witness Encryption Randomized Encoding
2018/6/13
Witness pseudorandom functions (witness PRFs), introduced by Zhandry [Zha16], was defined for an NP language L and generate a pseudorandom value for any instance x. The same pseudorandom value can be ...
Witness encryption (WE) was introduced by Garg et al. (STOC’13). A WE scheme is defined
for some NP language L and lets a sender encrypt messages relative to instances x. A ciphertext for x can
be d...