Please see Can binFHE do ciphertext multiplication? I also noticed the following OpenFHE fork: GitHub - LightFHE/CircuitBootstrap It probably has an exposed API for the RLWE x RGSW product (but I did not check it in detail).
Please see Can binFHE do ciphertext multiplication? I also noticed the following OpenFHE fork: GitHub - LightFHE/CircuitBootstrap It probably has an exposed API for the RLWE x RGSW product (but I did not check it in detail).