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fusion TFHE to use GFHE underthehood

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arnaucube
2025-07-24 14:32:44 +00:00
parent 87da85a035
commit 81306edf05
7 changed files with 54 additions and 173 deletions
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18
gfhe/src/glwe.rs
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@@ -17,12 +17,12 @@ const ERR_SIGMA: f64 = 3.2;
/// GLWE implemented over the `Ring` trait, so that it can be also instantiated
/// over the Torus polynomials 𝕋_<N,q>[X] = 𝕋_q[X]/ (X^N+1).
#[derive(Clone, Debug)]
pub struct GLWE<R: Ring, const K: usize>(TR<R, K>, R);
pub struct GLWE<R: Ring, const K: usize>(pub TR<R, K>, pub R);
#[derive(Clone, Debug)]
pub struct SecretKey<R: Ring, const K: usize>(TR<R, K>);
pub struct SecretKey<R: Ring, const K: usize>(pub TR<R, K>);
#[derive(Clone, Debug)]
pub struct PublicKey<R: Ring, const K: usize>(R, TR<R, K>);
pub struct PublicKey<R: Ring, const K: usize>(pub R, pub TR<R, K>);
// K GLevs, each KSK_i=l GLWEs
#[derive(Clone, Debug)]
@@ -261,11 +261,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?; // msg
// let m: Rq<Q, N> = m.remodule::<Q>();
@@ -306,11 +306,11 @@ mod tests {
type S = GLWE<Tn<4>, K>;
let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_f64, T as f64);
for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_f64, T as f64);
let m = Rq::<T, 4>::rand(&mut rng, msg_dist); // msg
let p = t_encode::<T>(&m); // plaintext
@@ -340,11 +340,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m1 = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let m2 = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let p1: Rq<Q, N> = S::encode::<T>(&m1); // plaintext
@@ -373,11 +373,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m1 = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let m2 = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let p1: Rq<Q, N> = S::encode::<T>(&m1); // plaintext
@@ -405,11 +405,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m1 = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let m2 = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let p1: Rq<Q, N> = S::encode::<T>(&m1); // plaintext
@@ -438,11 +438,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let p = S::encode::<T>(&m);