poulpy-ckks 0.6.0

A backend-agnostic crate implementing the CKKS FHE scheme
Documentation 
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use crate::{CKKSCtBounds, CKKSInfos};
use poulpy_core::layouts::GGLWEInfos;
use poulpy_hal::layouts::Backend;

/// Helpers that return the maximum scratch size needed across broad CKKS
/// operation sets.
pub trait CKKSAllOpsTmpBytes<BE: Backend> {
    /// Returns a scratch size large enough for the common CKKS workflow using
    /// ciphertext ops, plaintext ops, encryption/decryption, multiplication,
    /// and tensor-key setup.
    fn ckks_all_ops_tmp_bytes<C, T, P>(&self, ct_infos: &C, tsk_infos: &T, pt_prec: &P) -> usize
    where
        C: CKKSCtBounds,
        T: GGLWEInfos,
        P: CKKSInfos;

    /// Returns a scratch size large enough for [`Self::ckks_all_ops_tmp_bytes`]
    /// plus automorphism-key setup, rotation, and conjugation.
    fn ckks_all_ops_with_atk_tmp_bytes<C, T, A, P>(&self, ct_infos: &C, tsk_infos: &T, atk_infos: &A, pt_prec: &P) -> usize
    where
        C: CKKSCtBounds,
        T: GGLWEInfos,
        A: GGLWEInfos,
        P: CKKSInfos;
}