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Watermarking Cryptographic Functionalities from Standard Lattice Assumptions
watermarking pseudorandom functions constrained PRFs
2017/5/2
A software watermarking scheme allows one to embed a “mark” into a program without significantly altering the behavior of the program. Moreover, it should be difficult to remove the watermark without ...
Private Puncturable PRFs From Standard Lattice Assumptions
pseudorandom functions lattices constrained PRFs
2017/2/20
A puncturable pseudorandom function (PRF) has a master key kk that enables one to evaluate the PRF at all points of the domain, and has a punctured key kxkx that enables one to evaluate the PRF at all...
Constrained Key-Homomorphic PRFs from Standard Lattice Assumptions Or: How to Secretly Embed a Circuit in Your PRF
Standard Lattice Assumptions PRF
2016/1/5
Boneh et al. (Crypto 13) and Banerjee and Peikert (Crypto 14) constructed pseudorandom
functions (PRFs) from the Learning with Errors (LWE) assumption by embedding combinatorial
objects, a path and ...