@@ -11,7 +11,7 @@ use crate::layouts::prepared::GLWESecretPreparedToRef;
 use crate::layouts::{GGSW, GGSWInfos, GGSWToRef, GLWEInfos, GLWEPlaintext, LWEInfos, prepared::GLWESecretPrepared};
 
 impl<D: DataRef> GGSW<D> {
-    pub fn assert_noise<M, BE: Backend, P, S, F>(&self, module: &M, sk_prepared: &S, pt_want: &P, max_noise: F)
+    pub fn assert_noise<M, BE: Backend, P, S, F>(&self, module: &M, sk_prepared: &S, pt_want: &P, max_noise: &F)
     where
         S: GLWESecretPreparedToRef<BE>,
         P: ScalarZnxToRef,
@@ -32,7 +32,7 @@ }
 }
 
 pub trait GGSWNoise<BE: Backend> {
-    fn ggsw_assert_noise<R, S, P, F>(&self, res: &R, sk_prepared: &S, pt_want: &P, max_noise: F)
+    fn ggsw_assert_noise<R, S, P, F>(&self, res: &R, sk_prepared: &S, pt_want: &P, max_noise: &F)
     where
         R: GGSWToRef,
         S: GLWESecretPreparedToRef<BE>,
@@ -57,7 +57,7 @@ + VecZnxSubInplace,
     Scratch<BE>: ScratchTakeBasic,
     ScratchOwned<BE>: ScratchOwnedBorrow<BE> + ScratchOwnedAlloc<BE>,
 {
-    fn ggsw_assert_noise<R, S, P, F>(&self, res: &R, sk_prepared: &S, pt_want: &P, max_noise: F)
+    fn ggsw_assert_noise<R, S, P, F>(&self, res: &R, sk_prepared: &S, pt_want: &P, max_noise: &F)
     where
         R: GGSWToRef,
         S: GLWESecretPreparedToRef<BE>,

@@ -168,7 +168,7 @@ k_tsk,
                 ) + 0.5
             };
 
-            ct_out.assert_noise(module, &sk_prepared, &pt_scalar, max_noise);
+            ct_out.assert_noise(module, &sk_prepared, &pt_scalar, &max_noise);
         }
     }
 }
@@ -308,7 +308,7 @@ k_tsk,
                 ) + 0.5
             };
 
-            ct.assert_noise(module, &sk_prepared, &pt_scalar, max_noise);
+            ct.assert_noise(module, &sk_prepared, &pt_scalar, &max_noise);
         }
     }
 }

@@ -65,7 +65,7 @@ );
 
             let noise_f = |_col_i: usize| -(k as f64) + SIGMA.log2() + 0.5;
 
-            ct.assert_noise(module, &sk_prepared, &pt_scalar, noise_f);
+            ct.assert_noise(module, &sk_prepared, &pt_scalar, &noise_f);
         }
     }
 }
@@ -126,7 +126,7 @@
             let mut ct: GGSW<Vec<u8>> = GGSW::alloc_from_infos(&ggsw_infos);
             ct.decompress(module, &ct_compressed);
 
-            ct.assert_noise(module, &sk_prepared, &pt_scalar, noise_f);
+            ct.assert_noise(module, &sk_prepared, &pt_scalar, &noise_f);
         }
     }
 }

@@ -143,7 +143,7 @@ k_apply,
                 ) + 0.5
             };
 
-            ggsw_out.assert_noise(module, &sk_prepared, &pt_in, max_noise);
+            ggsw_out.assert_noise(module, &sk_prepared, &pt_in, &max_noise);
         }
     }
 }
@@ -266,7 +266,7 @@ k_apply,
                 ) + 0.5
             };
 
-            ggsw_out.assert_noise(module, &sk_prepared, &pt_in, max_noise);
+            ggsw_out.assert_noise(module, &sk_prepared, &pt_in, &max_noise);
         }
     }
 }

@@ -175,7 +175,7 @@ k_tsk,
                 ) + 0.5
             };
 
-            ggsw_out.assert_noise(module, &sk_out_prepared, &pt_scalar, max_noise);
+            ggsw_out.assert_noise(module, &sk_out_prepared, &pt_scalar, &max_noise);
         }
     }
 }
@@ -323,7 +323,7 @@ k_tsk,
                 ) + 0.5
             };
 
-            ggsw_out.assert_noise(module, &sk_out_prepared, &pt_scalar, max_noise);
+            ggsw_out.assert_noise(module, &sk_out_prepared, &pt_scalar, &max_noise);
         }
     }
 }

@@ -5,12 +5,9 @@ GLWEDecrypt, GLWENoise,
     layouts::{Base2K, GLWE, GLWEInfos, GLWEPlaintextLayout, GLWESecretPreparedToRef, LWEInfos, Rank, TorusPrecision},
 };
 
-#[cfg(test)]
 use poulpy_core::GLWEEncryptSk;
 use poulpy_core::ScratchTakeCore;
 use poulpy_hal::layouts::{Backend, Data, DataMut, DataRef, Module, Scratch, ZnxZero};
-#[cfg(test)]
-#[cfg(test)]
 use poulpy_hal::source::Source;
 
 use crate::tfhe::bdd_arithmetic::{FromBits, ToBits, UnsignedInteger};
@@ -43,16 +40,14 @@ }
 }
 
 impl<T: UnsignedInteger> FheUintBlocks<Vec<u8>, T> {
-    #[allow(dead_code)]
-    pub(crate) fn alloc<A, BE: Backend>(module: &Module<BE>, infos: &A) -> Self
+    pub fn alloc_from_infos<A, BE: Backend>(module: &Module<BE>, infos: &A) -> Self
     where
         A: GLWEInfos,
     {
-        Self::alloc_with(module, infos.base2k(), infos.k(), infos.rank())
+        Self::alloc(module, infos.base2k(), infos.k(), infos.rank())
     }
 
-    #[allow(dead_code)]
-    pub(crate) fn alloc_with<BE: Backend>(module: &Module<BE>, base2k: Base2K, k: TorusPrecision, rank: Rank) -> Self {
+    pub fn alloc<BE: Backend>(module: &Module<BE>, base2k: Base2K, k: TorusPrecision, rank: Rank) -> Self {
         Self {
             blocks: (0..T::WORD_SIZE)
                 .map(|_| GLWE::alloc(module.n().into(), base2k, k, rank))
@@ -64,9 +59,7 @@ }
 }
 
 impl<D: DataMut, T: UnsignedInteger + ToBits> FheUintBlocks<D, T> {
-    #[allow(dead_code)]
-    #[cfg(test)]
-    pub(crate) fn encrypt_sk<S, BE: Backend>(
+    pub fn encrypt_sk<S, BE: Backend>(
         &mut self,
         module: &Module<BE>,
         value: T,

@@ -7,32 +7,30 @@ blind_rotation::BlindRotationAlgo,
     circuit_bootstrapping::CirtuitBootstrappingExecute,
 };
 use poulpy_core::GGSWNoise;
-#[cfg(test)]
+
 use poulpy_core::layouts::{Base2K, Dnum, Dsize, Rank, TorusPrecision};
 use poulpy_core::layouts::{GGSW, GLWESecretPreparedToRef};
 use poulpy_core::{
     LWEFromGLWE, ScratchTakeCore,
     layouts::{GGSWInfos, GGSWPreparedFactory, GLWEInfos, LWE, LWEInfos},
 };
-#[cfg(test)]
+
 use poulpy_hal::api::ModuleN;
 use poulpy_hal::layouts::{Backend, Data, DataMut, DataRef, Module, Scratch};
 
-pub(crate) struct FheUintBlocksPreparedDebug<D: Data, T: UnsignedInteger> {
+pub struct FheUintBlocksPreparedDebug<D: Data, T: UnsignedInteger> {
     pub(crate) blocks: Vec<GGSW<D>>,
     pub(crate) _base: u8,
     pub(crate) _phantom: PhantomData<T>,
 }
 
-#[cfg(test)]
 impl<T: UnsignedInteger> FheUintBlocksPreparedDebug<Vec<u8>, T> {
-    #[allow(dead_code)]
-    pub(crate) fn alloc<A, M>(module: &M, infos: &A) -> Self
+    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
     where
         M: ModuleN,
         A: GGSWInfos,
     {
-        Self::alloc_with(
+        Self::alloc(
             module,
             infos.base2k(),
             infos.k(),
@@ -42,8 +40,7 @@ infos.rank(),
         )
     }
 
-    #[allow(dead_code)]
-    pub(crate) fn alloc_with<M>(module: &M, base2k: Base2K, k: TorusPrecision, dnum: Dnum, dsize: Dsize, rank: Rank) -> Self
+    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, dnum: Dnum, dsize: Dsize, rank: Rank) -> Self
     where
         M: ModuleN,
     {
@@ -88,8 +85,7 @@ }
 }
 
 impl<D: DataRef, T: UnsignedInteger + ToBits> FheUintBlocksPreparedDebug<D, T> {
-    #[allow(dead_code)]
-    pub(crate) fn noise<S, M, BE: Backend>(&self, module: &M, sk: &S, want: T)
+    pub fn print_noise<S, M, BE: Backend>(&self, module: &M, sk: &S, want: T)
     where
         S: GLWESecretPreparedToRef<BE>,
         M: GGSWNoise<BE>,
@@ -99,6 +95,20 @@ use poulpy_hal::layouts::{ScalarZnx, ZnxViewMut};
             let mut pt_want = ScalarZnx::alloc(self.n().into(), 1);
             pt_want.at_mut(0, 0)[0] = want.bit(i) as i64;
             ggsw.print_noise(module, sk, &pt_want);
+        }
+    }
+
+    pub fn assert_noise<S, M, F, BE: Backend>(&self, module: &M, sk: &S, want: T, max_noise: &F)
+    where
+        S: GLWESecretPreparedToRef<BE>,
+        M: GGSWNoise<BE>,
+        F: Fn(usize) -> f64,
+    {
+        for (i, ggsw) in self.blocks.iter().enumerate() {
+            use poulpy_hal::layouts::{ScalarZnx, ZnxViewMut};
+            let mut pt_want = ScalarZnx::alloc(self.n().into(), 1);
+            pt_want.at_mut(0, 0)[0] = want.bit(i) as i64;
+            ggsw.assert_noise(module, sk, &pt_want, max_noise);
         }
     }
 }
@@ -130,7 +140,6 @@ }
 }
 
 impl<D: DataMut, T: UnsignedInteger> FheUintBlocksPreparedDebug<D, T> {
-    #[allow(dead_code)]
     pub fn prepare<BRA, M, O, K, BE: Backend>(
         &mut self,
         module: &M,

@@ -3,17 +3,16 @@
 use poulpy_core::layouts::{
     Base2K, Dnum, Dsize, GGSWInfos, GGSWPreparedFactory, GLWEInfos, LWEInfos, Rank, TorusPrecision, prepared::GGSWPrepared,
 };
-#[cfg(test)]
+
 use poulpy_core::{GGSWEncryptSk, ScratchTakeCore, layouts::GLWESecretPreparedToRef};
 use poulpy_hal::layouts::{Backend, Data, DataRef, Module};
-#[cfg(test)]
+
 use poulpy_hal::{
     api::ModuleN,
     layouts::{DataMut, Scratch},
     source::Source,
 };
 
-#[cfg(test)]
 use crate::tfhe::bdd_arithmetic::ToBits;
 use crate::tfhe::bdd_arithmetic::UnsignedInteger;
 
@@ -83,13 +82,11 @@ module.alloc_fhe_uint_blocks_prepared(base2k, k, dnum, dsize, rank)
     }
 }
 
-#[cfg(test)]
 impl<T: UnsignedInteger + ToBits, BE: Backend> FheUintBlocksPreparedEncryptSk<T, BE> for Module<BE> where
     Self: Sized + ModuleN + GGSWEncryptSk<BE> + GGSWPreparedFactory<BE>
 {
 }
 
-#[cfg(test)]
 pub trait FheUintBlocksPreparedEncryptSk<T: UnsignedInteger + ToBits, BE: Backend>
 where
     Self: Sized + ModuleN + GGSWEncryptSk<BE> + GGSWPreparedFactory<BE>,
@@ -126,7 +123,6 @@ }
     }
 }
 
-#[cfg(test)]
 impl<D: DataMut, T: UnsignedInteger + ToBits, BE: Backend> FheUintBlocksPrepared<D, T, BE> {
     pub(crate) fn encrypt_sk<M, S>(
         &mut self,

@@ -2,10 +2,9 @@ mod block;
 mod block_prepared;
 mod word;
 
-#[cfg(test)]
 mod block_debug;
-#[cfg(test)]
-pub(crate) use block_debug::*;
+
+pub use block_debug::*;
 
 pub use block::*;
 pub use block_prepared::*;

@@ -1,4 +1,3 @@
-#[cfg(test)]
 use crate::tfhe::bdd_arithmetic::FheUintBlocksPreparedDebug;
 use crate::tfhe::{
     bdd_arithmetic::{FheUintBlocks, FheUintBlocksPrepared, UnsignedInteger},
@@ -281,8 +280,7 @@ module.fhe_uint_blocks_prepare(self, other, key, scratch);
     }
 }
 
-#[cfg(test)]
-pub(crate) trait FheUintBlockDebugPrepare<BRA: BlindRotationAlgo, T: UnsignedInteger, BE: Backend> {
+pub trait FheUintBlockDebugPrepare<BRA: BlindRotationAlgo, T: UnsignedInteger, BE: Backend> {
     fn fhe_uint_block_debug_prepare<DM, DR0, DR1>(
         &self,
         res: &mut FheUintBlocksPreparedDebug<DM, T>,

@@ -3,7 +3,6 @@ mod ciphertexts;
 mod circuits;
 mod eval;
 mod key;
-mod parameters;
 
 pub use bdd_2w_to_1w::*;
 pub use ciphertexts::*;
@@ -11,11 +10,7 @@ pub(crate) use circuits::*;
 pub(crate) use eval::*;
 pub use key::*;
 
-#[cfg(test)]
-pub(crate) use parameters::*;
-
-#[cfg(test)]
-mod test;
+pub mod tests;
 
 pub trait UnsignedInteger: Copy + 'static {
     const WORD_SIZE: usize;

@@ -1,30 +1,44 @@
-#[cfg(test)]
+mod add;
+mod and;
+mod or;
+mod prepare;
+mod sll;
+mod slt;
+mod sltu;
+mod sra;
+mod srl;
+mod sub;
+mod xor;
+
+pub use add::*;
+pub use and::*;
+pub use or::*;
+pub use prepare::*;
+pub use sll::*;
+pub use slt::*;
+pub use sltu::*;
+pub use sra::*;
+pub use srl::*;
+pub use sub::*;
+pub use xor::*;
+
 use poulpy_core::layouts::{
     Base2K, Degree, Dnum, Dsize, GGSWLayout, GLWEAutomorphismKeyLayout, GLWELayout, GLWETensorKeyLayout, GLWEToLWEKeyLayout,
     Rank, TorusPrecision,
 };
 
-#[cfg(test)]
 use crate::tfhe::{
     bdd_arithmetic::BDDKeyLayout, blind_rotation::BlindRotationKeyLayout, circuit_bootstrapping::CircuitBootstrappingKeyLayout,
 };
 
-#[cfg(test)]
 pub(crate) const TEST_N_GLWE: u32 = 512;
-#[cfg(test)]
 pub(crate) const TEST_N_LWE: u32 = 77;
-#[cfg(test)]
 pub(crate) const TEST_BASE2K: u32 = 13;
-#[cfg(test)]
 pub(crate) const TEST_K_GLWE: u32 = 26;
-#[cfg(test)]
 pub(crate) const TEST_K_GGSW: u32 = 39;
-#[cfg(test)]
 pub(crate) const TEST_BLOCK_SIZE: u32 = 7;
-#[cfg(test)]
 pub(crate) const TEST_RANK: u32 = 2;
 
-#[cfg(test)]
 pub(crate) static TEST_GLWE_INFOS: GLWELayout = GLWELayout {
     n: Degree(TEST_N_GLWE),
     base2k: Base2K(TEST_BASE2K),
@@ -32,7 +46,6 @@ k: TorusPrecision(TEST_K_GLWE),
     rank: Rank(TEST_RANK),
 };
 
-#[cfg(test)]
 pub(crate) static TEST_GGSW_INFOS: GGSWLayout = GGSWLayout {
     n: Degree(TEST_N_GLWE),
     base2k: Base2K(TEST_BASE2K),
@@ -42,7 +55,6 @@ dnum: Dnum(2),
     dsize: Dsize(1),
 };
 
-#[cfg(test)]
 pub(crate) static TEST_BDD_KEY_LAYOUT: BDDKeyLayout = BDDKeyLayout {
     cbt: CircuitBootstrappingKeyLayout {
         layout_brk: BlindRotationKeyLayout {

@@ -1,8 +1,5 @@
-use std::time::Instant;
-
-use poulpy_backend::FFT64Ref;
 use poulpy_core::{
-    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, SIGMA, ScratchTakeCore,
     layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, LWESecret, prepared::GLWESecretPrepared},
 };
 use poulpy_hal::{
@@ -14,20 +11,15 @@ use rand::RngCore;
 
 use crate::tfhe::{
     bdd_arithmetic::{
-        Add, BDDKey, BDDKeyEncryptSk, BDDKeyLayout, BDDKeyPrepared, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W,
-        FheUintBlockDebugPrepare, FheUintBlocks, FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedDebug,
-        FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory, Sub, TEST_BDD_KEY_LAYOUT, TEST_BLOCK_SIZE, TEST_GGSW_INFOS,
-        TEST_GLWE_INFOS, TEST_N_LWE,
+        BDDKey, BDDKeyEncryptSk, BDDKeyLayout, BDDKeyPrepared, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W,
+        FheUintBlockDebugPrepare, FheUintBlocks, FheUintBlocksPrepare, FheUintBlocksPreparedDebug,
+        FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory,
+        tests::test_suite::{TEST_BASE2K, TEST_BDD_KEY_LAYOUT, TEST_BLOCK_SIZE, TEST_GGSW_INFOS, TEST_GLWE_INFOS, TEST_N_LWE},
     },
-    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory, CGGI},
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
 };
 
-#[test]
-fn test_bdd_2w_to_1w_fft64_ref() {
-    test_bdd_2w_to_1w::<FFT64Ref, CGGI>()
-}
-
-fn test_bdd_2w_to_1w<BE: Backend, BRA: BlindRotationAlgo>()
+pub fn test_bdd_prepare<BRA: BlindRotationAlgo, BE: Backend>()
 where
     Module<BE>: ModuleNew<BE>
         + GLWESecretPreparedFactory<BE>
@@ -59,28 +51,24 @@ let mut source_xe: Source = Source::new([3u8; 32]);
 
     let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
 
+    // GLWE Secret
     let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
     sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+
     let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
     sk_glwe_prep.prepare(&module, &sk_glwe);
 
-    let a: u32 = 645139204;
-    let b: u32 = 0;
-
-    println!("a: {a}");
-    println!("b: {b}");
-
+    // LWE Secret
     let n_lwe: u32 = TEST_N_LWE;
     let block_size: u32 = TEST_BLOCK_SIZE;
-
     let mut sk_lwe: LWESecret<Vec<u8>> = LWESecret::alloc(n_lwe.into());
     sk_lwe.fill_binary_block(block_size as usize, &mut source_xs);
 
+    // CBT KEY
     let bdd_key_infos: BDDKeyLayout = TEST_BDD_KEY_LAYOUT;
 
     let mut bdd_key: BDDKey<Vec<u8>, BRA> = BDDKey::alloc_from_infos(&bdd_key_infos);
 
-    let now: Instant = Instant::now();
     source.fill_bytes(&mut scratch.borrow().data);
     scratch.borrow().data.fill(0);
     bdd_key.encrypt_sk(
@@ -94,44 +82,36 @@ );
     let mut bdd_key_prepared: BDDKeyPrepared<Vec<u8>, BRA, BE> = BDDKeyPrepared::alloc_from_infos(&module, &bdd_key_infos);
     source.fill_bytes(&mut scratch.borrow().data);
     bdd_key_prepared.prepare(&module, &bdd_key, scratch.borrow());
-    println!("BDD-KGEN: {} ms", now.elapsed().as_millis());
 
-    let mut sum_enc: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc(&module, &glwe_infos);
-    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
-        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
-    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
-        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
-
-    source.fill_bytes(&mut scratch.borrow().data);
-    a_enc_prep.encrypt_sk(
+    // GLWE(value)
+    let mut c_enc: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::alloc_from_infos(&module, &glwe_infos);
+    let value: u32 = source.next_u32();
+    c_enc.encrypt_sk(
         &module,
-        a,
-        &sk_glwe_prep,
-        &mut source_xa,
-        &mut source_xe,
-        scratch.borrow(),
-    );
-    source.fill_bytes(&mut scratch.borrow().data);
-    b_enc_prep.encrypt_sk(
-        &module,
-        b,
+        value,
         &sk_glwe_prep,
         &mut source_xa,
         &mut source_xe,
         scratch.borrow(),
     );
 
-    // d + a
-    sum_enc.add(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+    // GGSW(0)
+    let mut c_enc_prep_debug: FheUintBlocksPreparedDebug<Vec<u8>, u32> =
+        FheUintBlocksPreparedDebug::<Vec<u8>, u32>::alloc_from_infos(&module, &ggsw_infos);
 
-    println!(
-        "other have: {:032b}",
-        sum_enc.decrypt(&module, &sk_glwe_prep, scratch.borrow())
-    );
+    // GGSW(value)
+    c_enc_prep_debug.prepare(&module, &c_enc, &bdd_key_prepared, scratch.borrow());
+
+    let max_noise = |col_i: usize| {
+        let mut noise: f64 = -(ggsw_infos.size() as f64 * TEST_BASE2K as f64) + SIGMA.log2() + 1.0;
+        noise += 0.5 * ggsw_infos.log_n() as f64;
+        if col_i != 0 {
+            noise += 0.5 * ggsw_infos.log_n() as f64
+        }
+        noise
+    };
 
-    println!("other want: {:032b}", b.wrapping_add(a));
+    // c_enc_prep_debug.print_noise(&module, &sk_glwe_prep, value);
 
-    // print a, b, and d
-    println!("a: {a}");
-    println!("b: {b}");
+    c_enc_prep_debug.assert_noise(&module, &sk_glwe_prep, value, &max_noise);
 }

@@ -0,0 +1,64 @@
+use poulpy_backend::FFT64Ref;
+
+use crate::tfhe::{
+    bdd_arithmetic::tests::test_suite::{
+        test_bdd_add, test_bdd_and, test_bdd_or, test_bdd_prepare, test_bdd_sll, test_bdd_slt, test_bdd_sltu, test_bdd_sra,
+        test_bdd_srl, test_bdd_sub, test_bdd_xor,
+    },
+    blind_rotation::CGGI,
+};
+
+#[test]
+fn test_bdd_prepare_fft64_ref() {
+    test_bdd_prepare::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_add_fft64_ref() {
+    test_bdd_add::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_and_fft64_ref() {
+    test_bdd_and::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_or_fft64_ref() {
+    test_bdd_or::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_sll_fft64_ref() {
+    test_bdd_sll::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_slt_fft64_ref() {
+    test_bdd_slt::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_sltu_fft64_ref() {
+    test_bdd_sltu::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_sra_fft64_ref() {
+    test_bdd_sra::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_srl_fft64_ref() {
+    test_bdd_srl::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_sub_fft64_ref() {
+    test_bdd_sub::<CGGI, FFT64Ref>()
+}
+
+#[test]
+fn test_bdd_xor_fft64_ref() {
+    test_bdd_xor::<CGGI, FFT64Ref>()
+}

@@ -0,0 +1,4 @@
+pub mod test_suite;
+
+#[cfg(test)]
+mod fft64_ref;

@@ -0,0 +1,93 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        Add, BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_add<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32();
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    // d + a
+    res.add(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(
+        res.decrypt(&module, &sk_glwe_prep, scratch.borrow()),
+        a.wrapping_add(b)
+    );
+}

@@ -0,0 +1,89 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        And, BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_and<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32();
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    res.and(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(res.decrypt(&module, &sk_glwe_prep, scratch.borrow()), a & b);
+}

@@ -0,0 +1,89 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory, Or,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_or<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32();
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    res.or(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(res.decrypt(&module, &sk_glwe_prep, scratch.borrow()), a | b);
+}

@@ -0,0 +1,92 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory, Sll,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_sll<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32() & 15;
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    res.sll(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(
+        res.decrypt(&module, &sk_glwe_prep, scratch.borrow()),
+        a.wrapping_shl(b)
+    );
+}

@@ -0,0 +1,93 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory, Slt,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_slt<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32();
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    // d + a
+    res.slt(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(
+        res.decrypt(&module, &sk_glwe_prep, scratch.borrow()),
+        ((a as i32) < (b as i32)) as u32
+    );
+}

@@ -0,0 +1,93 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory, Sltu,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_sltu<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32();
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    // d + a
+    res.sltu(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(
+        res.decrypt(&module, &sk_glwe_prep, scratch.borrow()),
+        (a < b) as u32
+    );
+}

@@ -0,0 +1,92 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory, Sra,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_sra<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32() & 15;
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    res.sra(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(
+        res.decrypt(&module, &sk_glwe_prep, scratch.borrow()),
+        ((a as i32) >> b) as u32
+    );
+}

@@ -0,0 +1,92 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory, Srl,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_srl<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32() & 15;
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    res.srl(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(
+        res.decrypt(&module, &sk_glwe_prep, scratch.borrow()),
+        a >> b
+    );
+}

@@ -0,0 +1,92 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory, Sub,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_sub<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32();
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    res.sub(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(
+        res.decrypt(&module, &sk_glwe_prep, scratch.borrow()),
+        a.wrapping_sub(b)
+    );
+}

@@ -0,0 +1,89 @@
+use poulpy_core::{
+    GGSWNoise, GLWEDecrypt, GLWEEncryptSk, GLWENoise, ScratchTakeCore,
+    layouts::{GGSWLayout, GLWELayout, GLWESecret, GLWESecretPreparedFactory, LWEInfos, prepared::GLWESecretPrepared},
+};
+use poulpy_hal::{
+    api::{ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow},
+    layouts::{Backend, Module, Scratch, ScratchOwned},
+    source::Source,
+};
+use rand::RngCore;
+
+use crate::tfhe::{
+    bdd_arithmetic::{
+        BDDKeyEncryptSk, BDDKeyPreparedFactory, ExecuteBDDCircuit2WTo1W, FheUintBlockDebugPrepare, FheUintBlocks,
+        FheUintBlocksPrepare, FheUintBlocksPrepared, FheUintBlocksPreparedEncryptSk, FheUintBlocksPreparedFactory, Xor,
+        tests::test_suite::{TEST_GGSW_INFOS, TEST_GLWE_INFOS},
+    },
+    blind_rotation::{BlindRotationAlgo, BlindRotationKey, BlindRotationKeyFactory},
+};
+
+pub fn test_bdd_xor<BRA: BlindRotationAlgo, BE: Backend>()
+where
+    Module<BE>: ModuleNew<BE>
+        + GLWESecretPreparedFactory<BE>
+        + GLWEDecrypt<BE>
+        + GLWENoise<BE>
+        + FheUintBlocksPreparedFactory<u32, BE>
+        + FheUintBlocksPreparedEncryptSk<u32, BE>
+        + FheUintBlockDebugPrepare<BRA, u32, BE>
+        + BDDKeyEncryptSk<BRA, BE>
+        + BDDKeyPreparedFactory<BRA, BE>
+        + GGSWNoise<BE>
+        + FheUintBlocksPrepare<BRA, u32, BE>
+        + ExecuteBDDCircuit2WTo1W<u32, BE>
+        + GLWEEncryptSk<BE>,
+    BlindRotationKey<Vec<u8>, BRA>: BlindRotationKeyFactory<BRA>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
+{
+    let glwe_infos: GLWELayout = TEST_GLWE_INFOS;
+    let ggsw_infos: GGSWLayout = TEST_GGSW_INFOS;
+
+    let n_glwe: usize = glwe_infos.n().into();
+
+    let module: Module<BE> = Module::<BE>::new(n_glwe as u64);
+    let mut source: Source = Source::new([6u8; 32]);
+    let mut source_xs: Source = Source::new([1u8; 32]);
+    let mut source_xa: Source = Source::new([2u8; 32]);
+    let mut source_xe: Source = Source::new([3u8; 32]);
+
+    let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(1 << 22);
+
+    let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
+    sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
+    let mut sk_glwe_prep: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc_from_infos(&module, &glwe_infos);
+    sk_glwe_prep.prepare(&module, &sk_glwe);
+
+    let mut res: FheUintBlocks<Vec<u8>, u32> = FheUintBlocks::<Vec<u8>, u32>::alloc_from_infos(&module, &glwe_infos);
+    let mut a_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+    let mut b_enc_prep: FheUintBlocksPrepared<Vec<u8>, u32, BE> =
+        FheUintBlocksPrepared::<Vec<u8>, u32, BE>::alloc(&module, &ggsw_infos);
+
+    let a: u32 = source.next_u32();
+    let b: u32 = source.next_u32();
+
+    source.fill_bytes(&mut scratch.borrow().data);
+    a_enc_prep.encrypt_sk(
+        &module,
+        a,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+    source.fill_bytes(&mut scratch.borrow().data);
+    b_enc_prep.encrypt_sk(
+        &module,
+        b,
+        &sk_glwe_prep,
+        &mut source_xa,
+        &mut source_xe,
+        scratch.borrow(),
+    );
+
+    res.xor(&module, &a_enc_prep, &b_enc_prep, scratch.borrow());
+
+    assert_eq!(res.decrypt(&module, &sk_glwe_prep, scratch.borrow()), a ^ b);
+}