poulpy-core 0.6.0

A backend-agnostic crate implementing Module-LWE-based encryption and arithmetic
Documentation 
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use poulpy_hal::layouts::{Backend, ScratchArena, VecZnxDft};

use crate::layouts::{
    GGLWEInfos, GGLWEToBackendMut, GGLWEToBackendRef, GGSWAtViewMut, GGSWAtViewRef, GGSWInfos, GGSWToBackendMut,
    GGSWToBackendRef, GLWEInfos, GLWEToBackendMut, GLWEToBackendRef, prepared::GGSWPreparedToBackendRef,
};

pub trait GLWEExternalProduct<BE: Backend> {
    fn glwe_external_product_tmp_bytes<R, A, B>(&self, res_infos: &R, a_infos: &A, b_infos: &B) -> usize
    where
        R: GLWEInfos,
        A: GLWEInfos,
        B: GGSWInfos;

    fn glwe_external_product_assign<R, D>(&self, res: &mut R, a: &D, key_size: usize, scratch: &mut ScratchArena<'_, BE>)
    where
        R: GLWEToBackendMut<BE> + GLWEInfos,
        D: GGSWPreparedToBackendRef<BE> + GGSWInfos;

    fn glwe_external_product<R, A, D>(&self, res: &mut R, lhs: &A, rhs: &D, key_size: usize, scratch: &mut ScratchArena<'_, BE>)
    where
        R: GLWEToBackendMut<BE> + GLWEInfos,
        A: GLWEToBackendRef<BE> + GLWEInfos,
        D: GGSWPreparedToBackendRef<BE> + GGSWInfos;
}

pub trait GLWEExternalProductInternal<BE: Backend> {
    fn glwe_external_product_internal_tmp_bytes<R, A, B>(&self, res_infos: &R, a_infos: &A, b_infos: &B) -> usize
    where
        R: GLWEInfos,
        A: GLWEInfos,
        B: GGSWInfos;

    fn glwe_external_product_dft<'r, A, G>(
        &self,
        res_dft: &mut VecZnxDft<<BE as Backend>::BufMut<'r>, BE>,
        a: &A,
        ggsw: &G,
        key_size: usize,
        scratch: &mut ScratchArena<'_, BE>,
    ) where
        A: GLWEToBackendRef<BE>,
        G: GGSWPreparedToBackendRef<BE>;
}

pub trait GGLWEExternalProduct<BE: Backend> {
    fn gglwe_external_product_tmp_bytes<R, A, B>(&self, res_infos: &R, a_infos: &A, b_infos: &B) -> usize
    where
        R: GGLWEInfos,
        A: GGLWEInfos,
        B: GGSWInfos;

    fn gglwe_external_product<R, A, B>(&self, res: &mut R, a: &A, b: &B, key_size: usize, scratch: &mut ScratchArena<'_, BE>)
    where
        R: GGLWEToBackendMut<BE> + GGLWEInfos,
        A: GGLWEToBackendRef<BE> + GGLWEInfos,
        B: GGSWPreparedToBackendRef<BE> + GGSWInfos;

    fn gglwe_external_product_assign<R, A>(&self, res: &mut R, a: &A, key_size: usize, scratch: &mut ScratchArena<'_, BE>)
    where
        R: GGLWEToBackendMut<BE> + GGLWEInfos,
        A: GGSWPreparedToBackendRef<BE> + GGSWInfos;
}

pub trait GGSWExternalProduct<BE: Backend> {
    fn ggsw_external_product_tmp_bytes<R, A, B>(&self, res_infos: &R, a_infos: &A, b_infos: &B) -> usize
    where
        R: GGSWInfos,
        A: GGSWInfos,
        B: GGSWInfos;

    fn ggsw_external_product<R, A, B>(&self, res: &mut R, a: &A, b: &B, key_size: usize, scratch: &mut ScratchArena<'_, BE>)
    where
        R: GGSWToBackendMut<BE> + GGSWAtViewMut<BE> + GGSWInfos,
        A: GGSWToBackendRef<BE> + GGSWAtViewRef<BE> + GGSWInfos,
        B: GGSWPreparedToBackendRef<BE> + GGSWInfos;

    fn ggsw_external_product_assign<R, A>(&self, res: &mut R, a: &A, key_size: usize, scratch: &mut ScratchArena<'_, BE>)
    where
        R: GGSWToBackendMut<BE> + GGSWAtViewMut<BE> + GGSWInfos,
        A: GGSWPreparedToBackendRef<BE> + GGSWInfos;
}