Is there an implementation in OpenFHE that performs FFT on ciphertexts?
There is a collapsed-FFT implementation of homomorphic complex-CKKS encoding and decoding in ckksrns-fhe.cpp, which is used as part of CKKS bootstrapping.
Is there an implementation in OpenFHE that performs FFT on ciphertexts?
There is a collapsed-FFT implementation of homomorphic complex-CKKS encoding and decoding in ckksrns-fhe.cpp, which is used as part of CKKS bootstrapping.