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fusion TFHE to use GFHE underthehood

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arnaucube
2025-07-24 14:32:44 +00:00
parent 0bee7582db
commit 850b7a72f5
7 changed files with 52 additions and 171 deletions
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14
README.md
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@@ -19,8 +19,8 @@ and the line `type S = TWLE<K>` to use `CKKS<Q, N>` or `BFV<Q, N, T>`.
```rust ```rust
const T: u64 = 128; // msg space (msg modulus) const T: u64 = 128; // msg space (msg modulus)
const K: usize = 16; type M = Rq<T, 1>; // msg space
type S = TLWE<K>; type S = TLWE<256>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T); let msg_dist = Uniform::new(0_u64, T);
@@ -28,13 +28,13 @@ let msg_dist = Uniform::new(0_u64, T);
let (sk, pk) = S::new_key(&mut rng)?; let (sk, pk) = S::new_key(&mut rng)?;
// get two random msgs in Z_t // get two random msgs in Z_t
let m1 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m1 = M::rand_u64(&mut rng, msg_dist)?;
let m2 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m2 = M::rand_u64(&mut rng, msg_dist)?;
let m3 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m3 = M::rand_u64(&mut rng, msg_dist)?;
// encode the msgs into the plaintext space // encode the msgs into the plaintext space
let p1: Tn<1> = S::encode::<T>(&m1); // plaintext let p1 = S::encode::<T>(&m1); // plaintext
let p2: Tn<1> = S::encode::<T>(&m2); // plaintext let p2 = S::encode::<T>(&m2); // plaintext
let c3_const: Tn<1> = Tn(array::from_fn(|i| T64(m3.coeffs()[i].0))); // encode it as constant value let c3_const: Tn<1> = Tn(array::from_fn(|i| T64(m3.coeffs()[i].0))); // encode it as constant value
let c1 = S::encrypt(&mut rng, &pk, &p1)?; let c1 = S::encrypt(&mut rng, &pk, &p1)?;

4
arith/src/ring.rs
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@@ -3,8 +3,8 @@ use std::fmt::Debug;
use std::iter::Sum; use std::iter::Sum;
use std::ops::{Add, AddAssign, Mul, Sub, SubAssign}; use std::ops::{Add, AddAssign, Mul, Sub, SubAssign};
/// Represents a ring element. Currently implemented by ring_n.rs#R and /// Represents a ring element. Currently implemented by ring_nq.rs#Rq and
/// ring_nq.rs#Rq. Is not a 'pure algebraic ring', but more a custom trait /// ring_torus.rs#Tn. Is not a 'pure algebraic ring', but more a custom trait
/// definition which includes methods like `mod_switch`. /// definition which includes methods like `mod_switch`.
// assumed to be mod (X^N +1) // assumed to be mod (X^N +1)
pub trait Ring: pub trait Ring:

2
gfhe/src/glev.rs
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@@ -73,11 +73,11 @@ mod tests {
// let delta: u64 = Q / T; // floored // let delta: u64 = Q / T; // floored
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = GLWE::<Rq<Q, N>, K>::new_key(&mut rng)?; let (sk, pk) = GLWE::<Rq<Q, N>, K>::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?; let m = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let m: Rq<Q, N> = m.remodule::<Q>(); let m: Rq<Q, N> = m.remodule::<Q>();

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 /// 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). /// over the Torus polynomials 𝕋_<N,q>[X] = 𝕋_q[X]/ (X^N+1).
#[derive(Clone, Debug)] #[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)] #[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)] #[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 // K GLevs, each KSK_i=l GLWEs
#[derive(Clone, Debug)] #[derive(Clone, Debug)]
@@ -261,11 +261,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>; type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; 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::<T, N>::rand_u64(&mut rng, msg_dist)?; // msg
// let m: Rq<Q, N> = m.remodule::<Q>(); // let m: Rq<Q, N> = m.remodule::<Q>();
@@ -306,11 +306,11 @@ mod tests {
type S = GLWE<Tn<4>, K>; type S = GLWE<Tn<4>, K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_f64, T as f64);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; 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 m = Rq::<T, 4>::rand(&mut rng, msg_dist); // msg
let p = t_encode::<T>(&m); // plaintext let p = t_encode::<T>(&m); // plaintext
@@ -340,11 +340,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>; type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; 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 m1 = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let m2 = 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 let p1: Rq<Q, N> = S::encode::<T>(&m1); // plaintext
@@ -373,11 +373,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>; type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; 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 m1 = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let m2 = 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 let p1: Rq<Q, N> = S::encode::<T>(&m1); // plaintext
@@ -405,11 +405,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>; type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; 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 m1 = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let m2 = 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 let p1: Rq<Q, N> = S::encode::<T>(&m1); // plaintext
@@ -438,11 +438,11 @@ mod tests {
type S = GLWE<Rq<Q, N>, K>; type S = GLWE<Rq<Q, N>, K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; 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 m = Rq::<T, N>::rand_u64(&mut rng, msg_dist)?;
let p = S::encode::<T>(&m); let p = S::encode::<T>(&m);

89
tfhe/src/lib.rs
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@@ -5,94 +5,5 @@
#![allow(clippy::upper_case_acronyms)] #![allow(clippy::upper_case_acronyms)]
#![allow(dead_code)] // TMP #![allow(dead_code)] // TMP
use anyhow::Result;
use rand::Rng;
use rand_distr::{Normal, Uniform};
use std::array;
use arith::{Ring, Rq, Tn, T64};
use gfhe::{glwe, GLWE};
pub mod tlev; pub mod tlev;
pub mod tlwe; pub mod tlwe;
#[derive(Clone, Debug)]
pub struct SecretKey<const K: usize>(glwe::SecretKey<Tn<1>, K>);
#[derive(Clone, Debug)]
pub struct PublicKey<const K: usize>(glwe::PublicKey<Tn<1>, K>);
#[derive(Clone, Debug)]
pub struct TLWE<const K: usize>(pub GLWE<Tn<1>, K>);
impl<const K: usize> TLWE<K> {
pub fn new_key(rng: impl Rng) -> Result<(SecretKey<K>, PublicKey<K>)> {
let (sk, pk) = GLWE::new_key(rng)?;
Ok((SecretKey(sk), PublicKey(pk)))
}
pub fn encode<const P: u64>(m: &Rq<P, 1>) -> Tn<1> {
let delta = u64::MAX / P; // floored
let coeffs = m.coeffs();
Tn(array::from_fn(|i| T64(coeffs[i].0 * delta)))
}
pub fn decode<const P: u64>(p: &Tn<1>) -> Rq<P, 1> {
let p = p.mul_div_round(P, u64::MAX);
Rq::<P, 1>::from_vec_u64(p.coeffs().iter().map(|c| c.0).collect())
}
pub fn encrypt_s(rng: impl Rng, sk: &SecretKey<K>, p: &Tn<1>) -> Result<Self> {
let glwe = GLWE::encrypt_s(rng, &sk.0, p)?;
Ok(Self(glwe))
}
pub fn encrypt(rng: impl Rng, pk: &PublicKey<K>, p: &Tn<1>) -> Result<Self> {
let glwe = GLWE::encrypt(rng, &pk.0, p)?;
Ok(Self(glwe))
}
pub fn decrypt(&self, sk: &SecretKey<K>) -> Tn<1> {
self.0.decrypt(&sk.0)
}
}
#[cfg(test)]
mod tests {
use anyhow::Result;
use rand::distributions::Uniform;
use super::*;
#[test]
fn test_encrypt_decrypt() -> Result<()> {
const T: u64 = 128; // plaintext modulus
const K: usize = 16;
type S = TLWE<K>;
// let delta: u64 = Q / T; // floored
let mut rng = rand::thread_rng();
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, 1>::rand(&mut rng, msg_dist); // msg
// let m: Rq<Q, N> = m.remodule::<Q>();
let p = S::encode::<T>(&m); // plaintext
let c = S::encrypt(&mut rng, &pk, &p)?; // ciphertext
let p_recovered = c.decrypt(&sk);
let m_recovered = S::decode::<T>(&p_recovered);
assert_eq!(m, m_recovered);
// same but using encrypt_s (with sk instead of pk))
let c = S::encrypt_s(&mut rng, &sk, &p)?;
let p_recovered = c.decrypt(&sk);
let m_recovered = S::decode::<T>(&p_recovered);
assert_eq!(m.remodule::<T>(), m_recovered.remodule::<T>());
}
Ok(())
}
}

2
tfhe/src/tlev.rs
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@@ -72,11 +72,11 @@ mod tests {
let l: u32 = 16; let l: u32 = 16;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = TLWE::<K>::new_key(&mut rng)?; let (sk, pk) = TLWE::<K>::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m: Rq<T, 1> = Rq::rand_u64(&mut rng, msg_dist)?; let m: Rq<T, 1> = Rq::rand_u64(&mut rng, msg_dist)?;
let p: Tn<1> = S::encode::<T>(&m); // plaintext let p: Tn<1> = S::encode::<T>(&m); // plaintext

94
tfhe/src/tlwe.rs
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@@ -8,32 +8,26 @@ use std::iter::Sum;
use std::ops::{Add, AddAssign, Mul, Sub}; use std::ops::{Add, AddAssign, Mul, Sub};
use arith::{Ring, Rq, Tn, T64, TR}; use arith::{Ring, Rq, Tn, T64, TR};
use gfhe::{glwe, GLWE};
const ERR_SIGMA: f64 = 3.2; const ERR_SIGMA: f64 = 3.2;
#[derive(Clone, Debug)] #[derive(Clone, Debug)]
pub struct TLWE<const K: usize>(TR<Tn<1>, K>, Tn<1>); pub struct SecretKey<const K: usize>(glwe::SecretKey<Tn<1>, K>);
#[derive(Clone, Debug)]
pub struct PublicKey<const K: usize>(glwe::PublicKey<Tn<1>, K>);
#[derive(Clone, Debug)] #[derive(Clone, Debug)]
pub struct SecretKey<const K: usize>(TR<Tn<1>, K>); pub struct TLWE<const K: usize>(pub GLWE<Tn<1>, K>);
#[derive(Clone, Debug)]
pub struct PublicKey<const K: usize>(Tn<1>, TR<Tn<1>, K>);
impl<const K: usize> TLWE<K> { impl<const K: usize> TLWE<K> {
pub fn zero() -> Self { pub fn zero() -> Self {
Self(TR::zero(), Tn::zero()) Self(GLWE::<Tn<1>, K>::zero())
} }
pub fn new_key(mut rng: impl Rng) -> Result<(SecretKey<K>, PublicKey<K>)> { pub fn new_key(rng: impl Rng) -> Result<(SecretKey<K>, PublicKey<K>)> {
let Xi_key = Uniform::new(0_f64, 2_f64); let (sk, pk) = GLWE::new_key(rng)?;
let Xi_err = Normal::new(0_f64, ERR_SIGMA)?; Ok((SecretKey(sk), PublicKey(pk)))
let s: TR<Tn<1>, K> = TR::rand(&mut rng, Xi_key);
let a: TR<Tn<1>, K> = TR::rand(&mut rng, Standard);
let e = Tn::rand(&mut rng, Xi_err);
let pk: PublicKey<K> = PublicKey((&a * &s) + e, a);
Ok((SecretKey(s), pk))
} }
pub fn encode<const P: u64>(m: &Rq<P, 1>) -> Tn<1> { pub fn encode<const P: u64>(m: &Rq<P, 1>) -> Tn<1> {
@@ -47,50 +41,28 @@ impl<const K: usize> TLWE<K> {
} }
// encrypts with the given SecretKey (instead of PublicKey) // encrypts with the given SecretKey (instead of PublicKey)
pub fn encrypt_s(mut rng: impl Rng, sk: &SecretKey<K>, m: &Tn<1>) -> Result<Self> { pub fn encrypt_s(rng: impl Rng, sk: &SecretKey<K>, p: &Tn<1>) -> Result<Self> {
let Xi_key = Uniform::new(0_f64, 2_f64); let glwe = GLWE::encrypt_s(rng, &sk.0, p)?;
let Xi_err = Normal::new(0_f64, ERR_SIGMA)?; Ok(Self(glwe))
let a: TR<Tn<1>, K> = TR::rand(&mut rng, Xi_key);
let e = Tn::rand(&mut rng, Xi_err);
let b: Tn<1> = (&a * &sk.0) + *m + e;
Ok(Self(a, b))
} }
pub fn encrypt(mut rng: impl Rng, pk: &PublicKey<K>, m: &Tn<1>) -> Result<Self> { pub fn encrypt(rng: impl Rng, pk: &PublicKey<K>, p: &Tn<1>) -> Result<Self> {
let Xi_key = Uniform::new(0_f64, 2_f64); let glwe = GLWE::encrypt(rng, &pk.0, p)?;
let Xi_err = Normal::new(0_f64, ERR_SIGMA)?; Ok(Self(glwe))
let u: Tn<1> = Tn::rand(&mut rng, Xi_key);
let e0: Tn<1> = Tn::rand(&mut rng, Xi_err);
let e1 = TR::<Tn<1>, K>::rand(&mut rng, Xi_err);
let b: Tn<1> = pk.0 * u + *m + e0;
let d: TR<Tn<1>, K> = &pk.1 * &u + e1;
Ok(Self(d, b))
} }
pub fn decrypt(&self, sk: &SecretKey<K>) -> Tn<1> { pub fn decrypt(&self, sk: &SecretKey<K>) -> Tn<1> {
let (d, b): (TR<Tn<1>, K>, Tn<1>) = (self.0.clone(), self.1); self.0.decrypt(&sk.0)
b - &d * &sk.0
} }
} }
impl<const K: usize> Add<TLWE<K>> for TLWE<K> { impl<const K: usize> Add<TLWE<K>> for TLWE<K> {
type Output = Self; type Output = Self;
fn add(self, other: Self) -> Self { fn add(self, other: Self) -> Self {
let a: TR<Tn<1>, K> = self.0 + other.0; Self(self.0 + other.0)
let b: Tn<1> = self.1 + other.1;
Self(a, b)
} }
} }
impl<const K: usize> AddAssign for TLWE<K> { impl<const K: usize> AddAssign for TLWE<K> {
fn add_assign(&mut self, rhs: Self) { fn add_assign(&mut self, rhs: Self) {
for i in 0..K { self.0 += rhs.0
self.0 .0[i] = self.0 .0[i] + rhs.0 .0[i];
}
self.1 = self.1 + rhs.1;
} }
} }
impl<const K: usize> Sum<TLWE<K>> for TLWE<K> { impl<const K: usize> Sum<TLWE<K>> for TLWE<K> {
@@ -109,9 +81,7 @@ impl<const K: usize> Sum<TLWE<K>> for TLWE<K> {
impl<const K: usize> Sub<TLWE<K>> for TLWE<K> { impl<const K: usize> Sub<TLWE<K>> for TLWE<K> {
type Output = Self; type Output = Self;
fn sub(self, other: Self) -> Self { fn sub(self, other: Self) -> Self {
let a: TR<Tn<1>, K> = self.0 - other.0; Self(self.0 - other.0)
let b: Tn<1> = self.1 - other.1;
Self(a, b)
} }
} }
@@ -119,27 +89,27 @@ impl<const K: usize> Sub<TLWE<K>> for TLWE<K> {
impl<const K: usize> Add<Tn<1>> for TLWE<K> { impl<const K: usize> Add<Tn<1>> for TLWE<K> {
type Output = Self; type Output = Self;
fn add(self, plaintext: Tn<1>) -> Self { fn add(self, plaintext: Tn<1>) -> Self {
let a: TR<Tn<1>, K> = self.0; let a: TR<Tn<1>, K> = self.0 .0;
let b: Tn<1> = self.1 + plaintext; let b: Tn<1> = self.0 .1 + plaintext;
Self(a, b) Self(GLWE(a, b))
} }
} }
// plaintext substraction // plaintext substraction
impl<const K: usize> Sub<Tn<1>> for TLWE<K> { impl<const K: usize> Sub<Tn<1>> for TLWE<K> {
type Output = Self; type Output = Self;
fn sub(self, plaintext: Tn<1>) -> Self { fn sub(self, plaintext: Tn<1>) -> Self {
let a: TR<Tn<1>, K> = self.0; let a: TR<Tn<1>, K> = self.0 .0;
let b: Tn<1> = self.1 - plaintext; let b: Tn<1> = self.0 .1 - plaintext;
Self(a, b) Self(GLWE(a, b))
} }
} }
// plaintext multiplication // plaintext multiplication
impl<const K: usize> Mul<Tn<1>> for TLWE<K> { impl<const K: usize> Mul<Tn<1>> for TLWE<K> {
type Output = Self; type Output = Self;
fn mul(self, plaintext: Tn<1>) -> Self { fn mul(self, plaintext: Tn<1>) -> Self {
let a: TR<Tn<1>, K> = TR(self.0 .0.iter().map(|r_i| *r_i * plaintext).collect()); let a: TR<Tn<1>, K> = TR(self.0 .0 .0.iter().map(|r_i| *r_i * plaintext).collect());
let b: Tn<1> = self.1 * plaintext; let b: Tn<1> = self.0 .1 * plaintext;
Self(a, b) Self(GLWE(a, b))
} }
} }
@@ -157,11 +127,11 @@ mod tests {
type S = TLWE<K>; type S = TLWE<K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?;
dbg!(&m); dbg!(&m);
let p: Tn<1> = S::encode::<T>(&m); let p: Tn<1> = S::encode::<T>(&m);
@@ -191,11 +161,11 @@ mod tests {
type S = TLWE<K>; type S = TLWE<K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m1 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m1 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?;
let m2 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m2 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?;
let p1: Tn<1> = S::encode::<T>(&m1); // plaintext let p1: Tn<1> = S::encode::<T>(&m1); // plaintext
@@ -222,11 +192,11 @@ mod tests {
type S = TLWE<K>; type S = TLWE<K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m1 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m1 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?;
let m2 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m2 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?;
let p1: Tn<1> = S::encode::<T>(&m1); // plaintext let p1: Tn<1> = S::encode::<T>(&m1); // plaintext
@@ -252,11 +222,11 @@ mod tests {
type S = TLWE<K>; type S = TLWE<K>;
let mut rng = rand::thread_rng(); let mut rng = rand::thread_rng();
let msg_dist = Uniform::new(0_u64, T);
for _ in 0..200 { for _ in 0..200 {
let (sk, pk) = S::new_key(&mut rng)?; let (sk, pk) = S::new_key(&mut rng)?;
let msg_dist = Uniform::new(0_u64, T);
let m1 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m1 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?;
let m2 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?; let m2 = Rq::<T, 1>::rand_u64(&mut rng, msg_dist)?;
let p1: Tn<1> = S::encode::<T>(&m1); let p1: Tn<1> = S::encode::<T>(&m1);