@@ -61,9 +61,9 @@ k: k_ct_in,
             rank,
         };
 
-        let mut ct_ggsw: GGSW<Vec<u8>> = GGSW::alloc_from_infos(&module, &ggsw_layout);
-        let mut ct_glwe_in: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&module, &glwe_in_layout);
-        let mut ct_glwe_out: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&module, &glwe_out_layout);
+        let mut ct_ggsw: GGSW<Vec<u8>> = GGSW::alloc_from_infos(&ggsw_layout);
+        let mut ct_glwe_in: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_in_layout);
+        let mut ct_glwe_out: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_out_layout);
         let pt_rgsw: ScalarZnx<Vec<u8>> = ScalarZnx::alloc(n.into(), 1);
 
         let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::alloc(
@@ -76,7 +76,7 @@ let mut source_xs = Source::new([0u8; 32]);
         let mut source_xe = Source::new([0u8; 32]);
         let mut source_xa = Source::new([0u8; 32]);
 
-        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&module, &glwe_in_layout);
+        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_in_layout);
         sk.fill_ternary_prob(0.5, &mut source_xs);
 
         let mut sk_dft: GLWESecretPrepared<Vec<u8>, FFT64Spqlios> = GLWESecretPrepared::alloc(&module, rank);
@@ -165,8 +165,8 @@ k: k_glwe,
             rank,
         };
 
-        let mut ct_ggsw: GGSW<Vec<u8>> = GGSW::alloc_from_infos(&module, &ggsw_layout);
-        let mut ct_glwe: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&module, &glwe_layout);
+        let mut ct_ggsw: GGSW<Vec<u8>> = GGSW::alloc_from_infos(&ggsw_layout);
+        let mut ct_glwe: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_layout);
         let pt_rgsw: ScalarZnx<Vec<u8>> = ScalarZnx::alloc(n.into(), 1);
 
         let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::alloc(
@@ -179,7 +179,7 @@ let mut source_xs: Source = Source::new([0u8; 32]);
         let mut source_xe: Source = Source::new([0u8; 32]);
         let mut source_xa: Source = Source::new([0u8; 32]);
 
-        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&module, &glwe_layout);
+        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_layout);
         sk.fill_ternary_prob(0.5, &mut source_xs);
 
         let mut sk_dft: GLWESecretPrepared<Vec<u8>, FFT64Spqlios> = GLWESecretPrepared::alloc(&module, rank);

@@ -62,9 +62,9 @@ k: k_glwe_out,
             rank,
         };
 
-        let mut ksk: AutomorphismKey<Vec<u8>> = AutomorphismKey::alloc_from_infos(&module, &gglwe_atk_layout);
-        let mut ct_in: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&module, &glwe_in_layout);
-        let mut ct_out: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&module, &glwe_out_layout);
+        let mut ksk: AutomorphismKey<Vec<u8>> = AutomorphismKey::alloc_from_infos(&gglwe_atk_layout);
+        let mut ct_in: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_in_layout);
+        let mut ct_out: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_out_layout);
 
         let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::alloc(
             GLWESwitchingKey::encrypt_sk_tmp_bytes(&module, &gglwe_atk_layout)
@@ -81,7 +81,7 @@ let mut source_xs: Source = Source::new([0u8; 32]);
         let mut source_xe: Source = Source::new([0u8; 32]);
         let mut source_xa: Source = Source::new([0u8; 32]);
 
-        let mut sk_in: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&module, &glwe_in_layout);
+        let mut sk_in: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_in_layout);
         sk_in.fill_ternary_prob(0.5, &mut source_xs);
 
         let mut sk_in_dft: GLWESecretPrepared<Vec<u8>, FFT64Spqlios> = GLWESecretPrepared::alloc(&module, rank);
@@ -177,8 +177,8 @@ k: k_ct,
             rank,
         };
 
-        let mut ksk: GLWESwitchingKey<Vec<u8>> = GLWESwitchingKey::alloc_from_infos(&module, &gglwe_layout);
-        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&module, &glwe_layout);
+        let mut ksk: GLWESwitchingKey<Vec<u8>> = GLWESwitchingKey::alloc_from_infos(&gglwe_layout);
+        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_layout);
 
         let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::alloc(
             GLWESwitchingKey::encrypt_sk_tmp_bytes(&module, &gglwe_layout)
@@ -190,13 +190,13 @@ let mut source_xs: Source = Source::new([0u8; 32]);
         let mut source_xe: Source = Source::new([0u8; 32]);
         let mut source_xa: Source = Source::new([0u8; 32]);
 
-        let mut sk_in: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&module, &glwe_layout);
+        let mut sk_in: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_layout);
         sk_in.fill_ternary_prob(0.5, &mut source_xs);
 
         let mut sk_in_dft: GLWESecretPrepared<Vec<u8>, FFT64Spqlios> = GLWESecretPrepared::alloc(&module, rank);
         sk_in_dft.prepare(&module, &sk_in);
 
-        let mut sk_out: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&module, &glwe_layout);
+        let mut sk_out: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_layout);
         sk_out.fill_ternary_prob(0.5, &mut source_xs);
 
         ksk.encrypt_sk(

@@ -43,9 +43,9 @@
     let glwe_pt_infos: GLWEPlaintextLayout = GLWEPlaintextLayout { n, base2k, k: k_pt };
 
     // Allocates ciphertext & plaintexts
-    let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&module, &glwe_ct_infos);
-    let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&module, &glwe_pt_infos);
-    let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&module, &glwe_pt_infos);
+    let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_ct_infos);
+    let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&glwe_pt_infos);
+    let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&glwe_pt_infos);
 
     // CPRNG
     let mut source_xs: Source = Source::new([0u8; 32]);
@@ -58,7 +58,7 @@ GLWE::encrypt_sk_tmp_bytes(&module, &glwe_ct_infos) | GLWE::decrypt_tmp_bytes(&module, &glwe_ct_infos),
     );
 
     // Generate secret-key
-    let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&module, &glwe_ct_infos);
+    let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_ct_infos);
     sk.fill_ternary_prob(0.5, &mut source_xs);
 
     // Backend-prepared secret

@@ -6,7 +6,7 @@
 use crate::{
     GLWEKeyswitch, ScratchTakeCore,
     layouts::{
-        GGLWEInfos, GLWE, GLWEAlloc, GLWEInfos, GLWELayout, GLWEToRef, LWE, LWEInfos, LWEToMut, Rank,
+        GGLWEInfos, GLWE, GLWEInfos, GLWELayout, GLWEToRef, LWE, LWEInfos, LWEToMut, Rank,
         prepared::{LWEToGLWESwitchingKeyPrepared, LWEToGLWESwitchingKeyPreparedToRef},
     },
 };
@@ -40,11 +40,11 @@ }
 }
 
 impl<BE: Backend> LWESampleExtract for Module<BE> where Self: ModuleN {}
-impl<BE: Backend> LWEFromGLWE<BE> for Module<BE> where Self: GLWEKeyswitch<BE> + GLWEAlloc + LWESampleExtract {}
+impl<BE: Backend> LWEFromGLWE<BE> for Module<BE> where Self: GLWEKeyswitch<BE> + LWESampleExtract {}
 
 pub trait LWEFromGLWE<BE: Backend>
 where
-    Self: GLWEKeyswitch<BE> + GLWEAlloc + LWESampleExtract,
+    Self: GLWEKeyswitch<BE> + LWESampleExtract,
 {
     fn lwe_from_glwe_tmp_bytes<R, A, K>(&self, lwe_infos: &R, glwe_infos: &A, key_infos: &K) -> usize
     where
@@ -59,8 +59,12 @@ k: lwe_infos.k(),
             rank: Rank(1),
         };
 
-        self.bytes_of_glwe(lwe_infos.base2k(), lwe_infos.k(), 1u32.into())
-            + self.glwe_keyswitch_tmp_bytes(&res_infos, glwe_infos, key_infos)
+        GLWE::bytes_of(
+            self.n().into(),
+            lwe_infos.base2k(),
+            lwe_infos.k(),
+            1u32.into(),
+        ) + self.glwe_keyswitch_tmp_bytes(&res_infos, glwe_infos, key_infos)
     }
 
     fn lwe_from_glwe<R, A, K>(&self, res: &mut R, a: &A, key: &K, scratch: &mut Scratch<BE>)

@@ -6,16 +6,16 @@
 use crate::{
     GLWEKeyswitch, ScratchTakeCore,
     layouts::{
-        GGLWEInfos, GLWE, GLWEAlloc, GLWEInfos, GLWELayout, GLWEToMut, LWE, LWEInfos, LWEToRef,
+        GGLWEInfos, GLWE, GLWEInfos, GLWELayout, GLWEToMut, LWE, LWEInfos, LWEToRef,
         prepared::{LWEToGLWESwitchingKeyPrepared, LWEToGLWESwitchingKeyPreparedToRef},
     },
 };
 
-impl<BE: Backend> GLWEFromLWE<BE> for Module<BE> where Self: GLWEKeyswitch<BE> + GLWEAlloc {}
+impl<BE: Backend> GLWEFromLWE<BE> for Module<BE> where Self: GLWEKeyswitch<BE> {}
 
 pub trait GLWEFromLWE<BE: Backend>
 where
-    Self: GLWEKeyswitch<BE> + GLWEAlloc,
+    Self: GLWEKeyswitch<BE>,
 {
     fn glwe_from_lwe_tmp_bytes<R, A, K>(&self, glwe_infos: &R, lwe_infos: &A, key_infos: &K) -> usize
     where
@@ -23,7 +23,8 @@ R: GLWEInfos,
         A: LWEInfos,
         K: GGLWEInfos,
     {
-        let ct: usize = self.bytes_of_glwe(
+        let ct: usize = GLWE::bytes_of(
+            self.n().into(),
             key_infos.base2k(),
             lwe_infos.k().max(glwe_infos.k()),
             1u32.into(),

@@ -8,7 +8,7 @@ use crate::{
     ScratchTakeCore,
     encryption::compressed::gglwe_ksk::GLWESwitchingKeyCompressedEncryptSk,
     layouts::{
-        GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretAlloc, GLWESecretToRef, LWEInfos,
+        GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, LWEInfos,
         compressed::{AutomorphismKeyCompressed, AutomorphismKeyCompressedToMut},
     },
 };
@@ -68,7 +68,7 @@ fn automorphism_key_compressed_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
-        self.glwe_switching_key_compressed_encrypt_sk_tmp_bytes(infos) + self.bytes_of_glwe_secret(infos.rank())
+        self.glwe_switching_key_compressed_encrypt_sk_tmp_bytes(infos) + GLWESecret::bytes_of(self.n().into(), infos.rank())
     }
 
     fn automorphism_key_compressed_encrypt_sk<R, S>(

@@ -11,7 +11,7 @@ SIGMA,
         glwe_ct::{GLWEEncryptSk, GLWEEncryptSkInternal},
     },
     layouts::{
-        GGLWECompressedSeedMut, GGLWEInfos, GLWEPlaintextAlloc, GLWESecretPrepared, LWEInfos,
+        GGLWECompressedSeedMut, GGLWEInfos, GLWEPlaintext, GLWESecretPrepared, LWEInfos,
         compressed::{GGLWECompressed, GGLWECompressedToMut},
         prepared::GLWESecretPreparedToRef,
     },
@@ -82,7 +82,7 @@ A: GGLWEInfos,
     {
         self.glwe_encrypt_sk_tmp_bytes(infos)
             .max(self.vec_znx_normalize_tmp_bytes())
-            + self.bytes_of_glwe_plaintext_from_infos(infos)
+            + GLWEPlaintext::bytes_of_from_infos(infos)
     }
 
     fn gglwe_compressed_encrypt_sk<R, P, S>(

@@ -80,7 +80,7 @@ infos.rank_in(),
             infos.rank_out(),
             "rank_in != rank_out is not supported for GGLWEAutomorphismKey"
         );
-        self.glwe_switching_key_encrypt_sk_tmp_bytes(infos) + GLWESecret::bytes_of_from_infos(self, infos)
+        self.glwe_switching_key_encrypt_sk_tmp_bytes(infos) + GLWESecret::bytes_of_from_infos(infos)
     }
 
     fn automorphism_key_encrypt_sk<R, S>(

@@ -85,8 +85,7 @@ fn gglwe_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
-        self.glwe_encrypt_sk_tmp_bytes(infos)
-            + GLWEPlaintext::bytes_of_from_infos(self, infos).max(self.vec_znx_normalize_tmp_bytes())
+        self.glwe_encrypt_sk_tmp_bytes(infos) + GLWEPlaintext::bytes_of_from_infos(infos).max(self.vec_znx_normalize_tmp_bytes())
     }
 
     fn gglwe_encrypt_sk<R, P, S>(

@@ -82,7 +82,7 @@ GLWESecretPrepared::bytes_of(self, infos.rank_out())
             + self.bytes_of_vec_znx_dft(infos.rank_out().into(), 1)
             + self.bytes_of_vec_znx_big(1, 1)
             + self.bytes_of_vec_znx_dft(1, 1)
-            + GLWESecret::bytes_of(self, Rank(1))
+            + GLWESecret::bytes_of(self.n().into(), Rank(1))
             + GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos)
     }
 

@@ -8,7 +8,7 @@ use crate::{
     SIGMA, ScratchTakeCore,
     encryption::glwe_ct::{GLWEEncryptSk, GLWEEncryptSkInternal},
     layouts::{
-        GGSW, GGSWInfos, GGSWToMut, GLWEInfos, GLWEPlaintextAlloc, LWEInfos,
+        GGSW, GGSWInfos, GGSWToMut, GLWEInfos, GLWEPlaintext, LWEInfos,
         prepared::{GLWESecretPrepared, GLWESecretPreparedToRef},
     },
 };
@@ -79,7 +79,7 @@ A: GGSWInfos,
     {
         self.glwe_encrypt_sk_tmp_bytes(infos)
             .max(self.vec_znx_normalize_tmp_bytes())
-            + self.bytes_of_glwe_plaintext_from_infos(infos)
+            + GLWEPlaintext::bytes_of_from_infos(infos)
     }
 
     fn ggsw_encrypt_sk<R, P, S>(

@@ -55,7 +55,7 @@
             // Its ok to allocate scratch space here since pk is usually generated only once.
             let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(self.glwe_encrypt_sk_tmp_bytes(res));
 
-            let mut tmp: GLWE<Vec<u8>> = GLWE::alloc_from_infos(self, res);
+            let mut tmp: GLWE<Vec<u8>> = GLWE::alloc_from_infos(res);
 
             tmp.encrypt_zero_sk(self, sk, source_xa, source_xe, scratch.borrow());
         }

@@ -72,7 +72,7 @@ where
         A: GGLWEInfos,
     {
         GLWESecretPrepared::bytes_of(self, infos.rank_in())
-            + (GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos) | GLWESecret::bytes_of(self, infos.rank_in()))
+            + (GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos) | GLWESecret::bytes_of(self.n().into(), infos.rank_in()))
     }
 
     fn glwe_to_lwe_switching_key_encrypt_sk<R, S1, S2>(

@@ -85,7 +85,7 @@ infos.rank_out().0,
             1,
             "rank_out > 1 is not supported for LWESwitchingKey"
         );
-        GLWESecret::bytes_of(self, Rank(1))
+        GLWESecret::bytes_of(self.n().into(), Rank(1))
             + GLWESecretPrepared::bytes_of(self, Rank(1))
             + GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos)
     }

@@ -75,7 +75,7 @@ infos.rank_in(),
             Rank(1),
             "rank_in != 1 is not supported for LWEToGLWESwitchingKey"
         );
-        GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos) + GLWESecret::bytes_of(self, infos.rank_in())
+        GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos) + GLWESecret::bytes_of(self.n().into(), infos.rank_in())
     }
 
     fn lwe_to_glwe_switching_key_encrypt_sk<R, S1, S2>(

@@ -9,7 +9,7 @@ use crate::{
     GLWEAdd, GLWEAutomorphism, GLWECopy, GLWENormalize, GLWERotate, GLWEShift, GLWESub, ScratchTakeCore,
     glwe_trace::GLWETrace,
     layouts::{
-        GGLWEInfos, GLWE, GLWEAlloc, GLWEInfos, GLWEToMut, GLWEToRef, LWEInfos,
+        GGLWEInfos, GLWE, GLWEInfos, GLWEToMut, GLWEToRef, LWEInfos,
         prepared::{AutomorphismKeyPreparedToRef, GetAutomorphismGaloisElement},
     },
 };
@@ -41,13 +41,12 @@ /// * `module`: static backend FFT tables.
     /// * `base2k`: base 2 logarithm of the GLWE ciphertext in memory digit representation.
     /// * `k`: base 2 precision of the GLWE ciphertext precision over the Torus.
     /// * `rank`: rank of the GLWE ciphertext.
-    pub fn alloc<A, M, BE: Backend>(module: &M, infos: &A) -> Self
+    pub fn alloc<A>(infos: &A) -> Self
     where
         A: GLWEInfos,
-        M: GLWEPacking<BE>,
     {
         Self {
-            data: GLWE::alloc_from_infos(module, infos),
+            data: GLWE::alloc_from_infos(infos),
             value: false,
             control: false,
         }
@@ -59,20 +58,18 @@ /// Instantiates a new [GLWEPacker].
     ///
     /// # Arguments
     ///
-    /// * `module`: static backend FFT tables.
     /// * `log_batch`: packs coefficients which are multiples of X^{N/2^log_batch}.
     ///   i.e. with `log_batch=0` only the constant coefficient is packed
     ///   and N GLWE ciphertext can be packed. With `log_batch=2` all coefficients
     ///   which are multiples of X^{N/4} are packed. Meaning that N/4 ciphertexts
     ///   can be packed.
-    pub fn alloc<A, M, BE: Backend>(module: &M, infos: &A, log_batch: usize) -> Self
+    pub fn alloc<A>(infos: &A, log_batch: usize) -> Self
     where
         A: GLWEInfos,
-        M: GLWEPacking<BE>,
     {
         let mut accumulators: Vec<Accumulator> = Vec::<Accumulator>::new();
         let log_n: usize = infos.n().log2();
-        (0..log_n - log_batch).for_each(|_| accumulators.push(Accumulator::alloc(module, infos)));
+        (0..log_n - log_batch).for_each(|_| accumulators.push(Accumulator::alloc(infos)));
         GLWEPacker {
             accumulators,
             log_batch,
@@ -96,7 +93,7 @@ R: GLWEInfos,
         K: GGLWEInfos,
         M: GLWEPacking<BE>,
     {
-        module.bytes_of_glwe_from_infos(res_infos)
+        GLWE::bytes_of_from_infos(res_infos)
             + module
                 .glwe_rsh_tmp_byte()
                 .max(module.glwe_automorphism_tmp_bytes(res_infos, res_infos, key_infos))
@@ -169,7 +166,6 @@ + GLWEShift<BE>
         + GLWEAdd
         + GLWENormalize<BE>
         + GLWECopy
-        + GLWEAlloc
 {
 }
 
@@ -183,8 +179,7 @@ + GLWESub
         + GLWEShift<BE>
         + GLWEAdd
         + GLWENormalize<BE>
-        + GLWECopy
-        + GLWEAlloc,
+        + GLWECopy,
 {
     /// Packs [x_0: GLWE(m_0), x_1: GLWE(m_1), ..., x_i: GLWE(m_i)]
     /// to [0: GLWE(m_0 * X^x_0 + m_1 * X^x_1 + ... + m_i * X^x_i)]

@@ -7,7 +7,7 @@ use crate::{
     LWESampleExtract, ScratchTakeCore,
     keyswitching::glwe_ct::GLWEKeyswitch,
     layouts::{
-        GGLWEInfos, GLWE, GLWEAlloc, GLWELayout, LWE, LWEInfos, LWEToMut, LWEToRef, Rank, TorusPrecision,
+        GGLWEInfos, GLWE, GLWELayout, LWE, LWEInfos, LWEToMut, LWEToRef, Rank, TorusPrecision,
         prepared::{LWESwitchingKeyPrepared, LWESwitchingKeyPreparedToRef},
     },
 };
@@ -40,7 +40,7 @@ impl<BE: Backend> LWEKeySwitch<BE> for Module<BE> where Self: LWEKeySwitch<BE> {}
 
 pub trait LWEKeySwitch<BE: Backend>
 where
-    Self: GLWEKeyswitch<BE> + GLWEAlloc + LWESampleExtract,
+    Self: GLWEKeyswitch<BE> + LWESampleExtract,
 {
     fn lwe_keyswitch_tmp_bytes<R, A, K>(&self, res_infos: &R, a_infos: &A, key_infos: &K) -> usize
     where
@@ -51,21 +51,21 @@ {
         let max_k: TorusPrecision = a_infos.k().max(res_infos.k());
 
         let glwe_a_infos: GLWELayout = GLWELayout {
-            n: self.ring_degree(),
+            n: self.n().into(),
             base2k: a_infos.base2k(),
             k: max_k,
             rank: Rank(1),
         };
 
         let glwe_res_infos: GLWELayout = GLWELayout {
-            n: self.ring_degree(),
+            n: self.n().into(),
             base2k: res_infos.base2k(),
             k: max_k,
             rank: Rank(1),
         };
 
-        let glwe_in: usize = GLWE::bytes_of_from_infos(self, &glwe_a_infos);
-        let glwe_out: usize = GLWE::bytes_of_from_infos(self, &glwe_res_infos);
+        let glwe_in: usize = GLWE::bytes_of_from_infos(&glwe_a_infos);
+        let glwe_out: usize = GLWE::bytes_of_from_infos(&glwe_res_infos);
         let ks: usize = self.glwe_keyswitch_tmp_bytes(&glwe_res_infos, &glwe_a_infos, key_infos);
 
         glwe_in + glwe_out + ks

@@ -6,8 +6,7 @@
 use crate::layouts::{
     AutomorphismKey, AutomorphismKeyToMut, Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, LWEInfos, Rank, TorusPrecision,
     compressed::{
-        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedAlloc, GLWESwitchingKeyCompressedToMut,
-        GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
+        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedToMut, GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
     },
     prepared::{GetAutomorphismGaloisElement, SetAutomorphismGaloisElement},
 };
@@ -86,32 +85,13 @@ write!(f, "(AutomorphismKeyCompressed: p={}) {}", self.p, self.key)
     }
 }
 
-impl<BE: Backend> AutomorphismKeyCompressedAlloc for Module<BE> where Self: GLWESwitchingKeyCompressedAlloc {}
-
-pub trait AutomorphismKeyCompressedAlloc
-where
-    Self: GLWESwitchingKeyCompressedAlloc,
-{
-    fn alloc_automorphism_key_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> AutomorphismKeyCompressed<Vec<u8>> {
-        AutomorphismKeyCompressed {
-            key: self.alloc_glwe_switching_key_compressed(base2k, k, rank, rank, dnum, dsize),
-            p: 0,
-        }
-    }
-
-    fn alloc_automorphism_key_compressed_from_infos<A>(&self, infos: &A) -> AutomorphismKeyCompressed<Vec<u8>>
+impl AutomorphismKeyCompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
-        assert_eq!(infos.rank_in(), infos.rank_out());
-        self.alloc_automorphism_key_compressed(
+        Self::alloc(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -120,23 +100,19 @@ infos.dsize(),
         )
     }
 
-    fn bytes_of_automorphism_key_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> usize {
-        self.bytes_of_glwe_switching_key_compressed(base2k, k, rank, dnum, dsize)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self {
+        AutomorphismKeyCompressed {
+            key: GLWESwitchingKeyCompressed::alloc(n, base2k, k, rank, rank, dnum, dsize),
+            p: 0,
+        }
     }
 
-    fn bytes_of_automorphism_key_compressed_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
-        assert_eq!(infos.rank_in(), infos.rank_out());
-        self.bytes_of_automorphism_key_compressed(
+        Self::bytes_of(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -144,37 +120,9 @@ infos.dnum(),
             infos.dsize(),
         )
     }
-}
 
-impl AutomorphismKeyCompressed<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: AutomorphismKeyCompressedAlloc,
-    {
-        module.alloc_automorphism_key_compressed_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self
-    where
-        M: AutomorphismKeyCompressedAlloc,
-    {
-        module.alloc_automorphism_key_compressed(base2k, k, rank, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: AutomorphismKeyCompressedAlloc,
-    {
-        module.bytes_of_automorphism_key_compressed_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize
-    where
-        M: AutomorphismKeyCompressedAlloc,
-    {
-        module.bytes_of_automorphism_key_compressed(base2k, k, rank, dnum, dsize)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
+        GLWESwitchingKeyCompressed::bytes_of(n, base2k, k, rank, dnum, dsize)
     }
 }
 

@@ -7,7 +7,7 @@ source::Source,
 };
 
 use crate::layouts::{
-    Base2K, Degree, Dnum, Dsize, GGLWE, GGLWEInfos, GGLWEToMut, GLWEInfos, GetDegree, LWEInfos, Rank, TorusPrecision,
+    Base2K, Degree, Dnum, Dsize, GGLWE, GGLWEInfos, GGLWEToMut, GLWEInfos, LWEInfos, Rank, TorusPrecision,
     compressed::{GLWECompressed, GLWEDecompress},
 };
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
@@ -105,19 +105,23 @@ )
     }
 }
 
-pub trait GGLWECompressedAlloc
-where
-    Self: GetDegree,
-{
-    fn alloc_gglwe_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> GGLWECompressed<Vec<u8>> {
+impl GGLWECompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
+    where
+        A: GGLWEInfos,
+    {
+        Self::alloc(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank_in(),
+            infos.rank_out(),
+            infos.dnum(),
+            infos.dsize(),
+        )
+    }
+
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank_in: Rank, rank_out: Rank, dnum: Dnum, dsize: Dsize) -> Self {
         let size: usize = k.0.div_ceil(base2k.0) as usize;
         debug_assert!(
             size as u32 > dsize.0,
@@ -134,7 +138,7 @@ );
 
         GGLWECompressed {
             data: MatZnx::alloc(
-                self.ring_degree().into(),
+                n.into(),
                 dnum.into(),
                 rank_in.into(),
                 1,
@@ -148,22 +152,21 @@ seed: vec![[0u8; 32]; (dnum.0 * rank_in.0) as usize],
         }
     }
 
-    fn alloc_gglwe_compressed_from_infos<A>(&self, infos: &A) -> GGLWECompressed<Vec<u8>>
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
-        assert_eq!(infos.n(), self.ring_degree());
-        self.alloc_gglwe_compressed(
+        Self::bytes_of(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank_in(),
-            infos.rank_out(),
             infos.dnum(),
             infos.dsize(),
         )
     }
 
-    fn bytes_of_gglwe_compressed(&self, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum, dsize: Dsize) -> usize {
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum, dsize: Dsize) -> usize {
         let size: usize = k.0.div_ceil(base2k.0) as usize;
         debug_assert!(
             size as u32 > dsize.0,
@@ -179,68 +182,12 @@ dsize.0,
         );
 
         MatZnx::bytes_of(
-            self.ring_degree().into(),
+            n.into(),
             dnum.into(),
             rank_in.into(),
             1,
             k.0.div_ceil(base2k.0) as usize,
         )
-    }
-
-    fn bytes_of_gglwe_compressed_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-    {
-        assert_eq!(infos.n(), self.ring_degree());
-        self.bytes_of_gglwe_compressed(
-            infos.base2k(),
-            infos.k(),
-            infos.rank_in(),
-            infos.dnum(),
-            infos.dsize(),
-        )
-    }
-}
-
-impl<B: Backend> GGLWECompressedAlloc for Module<B> where Self: GetDegree {}
-
-impl GGLWECompressed<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: GGLWECompressedAlloc,
-    {
-        module.alloc_gglwe_compressed_from_infos(infos)
-    }
-
-    pub fn alloc<M>(
-        module: &M,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> Self
-    where
-        M: GGLWECompressedAlloc,
-    {
-        module.alloc_gglwe_compressed(base2k, k, rank_in, rank_out, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: GGLWECompressedAlloc,
-    {
-        module.bytes_of_gglwe_compressed_from_infos(infos)
-    }
-
-    pub fn byte_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum, dsize: Dsize) -> usize
-    where
-        M: GGLWECompressedAlloc,
-    {
-        module.bytes_of_gglwe_compressed(base2k, k, rank_in, dnum, dsize)
     }
 }
 

@@ -6,7 +6,7 @@
 use crate::layouts::{
     Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeySetMetaData, GLWESwitchingKeyToMut,
     LWEInfos, Rank, TorusPrecision,
-    compressed::{GGLWECompressed, GGLWECompressedAlloc, GGLWECompressedToMut, GGLWECompressedToRef, GGLWEDecompress},
+    compressed::{GGLWECompressed, GGLWECompressedToMut, GGLWECompressedToRef, GGLWEDecompress},
 };
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
 use std::fmt;
@@ -81,33 +81,13 @@ )
     }
 }
 
-impl<BE: Backend> GLWESwitchingKeyCompressedAlloc for Module<BE> where Self: GGLWECompressedAlloc {}
-
-pub trait GLWESwitchingKeyCompressedAlloc
-where
-    Self: GGLWECompressedAlloc,
-{
-    fn alloc_glwe_switching_key_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> GLWESwitchingKeyCompressed<Vec<u8>> {
-        GLWESwitchingKeyCompressed {
-            key: self.alloc_gglwe_compressed(base2k, k, rank_in, rank_out, dnum, dsize),
-            sk_in_n: 0,
-            sk_out_n: 0,
-        }
-    }
-
-    fn alloc_glwe_switching_key_compressed_from_infos<A>(&self, infos: &A) -> GLWESwitchingKeyCompressed<Vec<u8>>
+impl GLWESwitchingKeyCompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
-        self.alloc_glwe_switching_key_compressed(
+        Self::alloc(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank_in(),
@@ -117,62 +97,24 @@ infos.dsize(),
         )
     }
 
-    fn bytes_of_glwe_switching_key_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> usize {
-        self.bytes_of_gglwe_compressed(base2k, k, rank_in, dnum, dsize)
-    }
-
-    fn bytes_of_glwe_switching_key_compressed_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-    {
-        self.bytes_of_gglwe_compressed_from_infos(infos)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank_in: Rank, rank_out: Rank, dnum: Dnum, dsize: Dsize) -> Self {
+        GLWESwitchingKeyCompressed {
+            key: GGLWECompressed::alloc(n, base2k, k, rank_in, rank_out, dnum, dsize),
+            sk_in_n: 0,
+            sk_out_n: 0,
+        }
     }
-}
 
-impl GLWESwitchingKeyCompressed<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
-        M: GLWESwitchingKeyCompressedAlloc,
     {
-        module.alloc_glwe_switching_key_compressed_from_infos(infos)
+        GGLWECompressed::bytes_of_from_infos(infos)
     }
 
-    pub fn alloc<M>(
-        module: &M,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> Self
-    where
-        M: GLWESwitchingKeyCompressedAlloc,
-    {
-        module.alloc_glwe_switching_key_compressed(base2k, k, rank_in, rank_out, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: GLWESwitchingKeyCompressedAlloc,
-    {
-        module.bytes_of_glwe_switching_key_compressed_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum, dsize: Dsize) -> usize
-    where
-        M: GLWESwitchingKeyCompressedAlloc,
-    {
-        module.bytes_of_glwe_switching_key_compressed(base2k, k, rank_in, dnum, dsize)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum, dsize: Dsize) -> usize
+where {
+        GGLWECompressed::bytes_of(n, base2k, k, rank_in, dnum, dsize)
     }
 }
 

@@ -6,8 +6,7 @@
 use crate::layouts::{
     Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, LWEInfos, Rank, TensorKey, TensorKeyToMut, TorusPrecision,
     compressed::{
-        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedAlloc, GLWESwitchingKeyCompressedToMut,
-        GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
+        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedToMut, GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
     },
 };
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
@@ -82,38 +81,13 @@ Ok(())
     }
 }
 
-impl<BE: Backend> TensorKeyCompressedAlloc for Module<BE> where Self: GLWESwitchingKeyCompressedAlloc {}
-
-pub trait TensorKeyCompressedAlloc
-where
-    Self: GLWESwitchingKeyCompressedAlloc,
-{
-    fn alloc_tensor_key_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> TensorKeyCompressed<Vec<u8>> {
-        let pairs: u32 = (((rank.as_u32() + 1) * rank.as_u32()) >> 1).max(1);
-        TensorKeyCompressed {
-            keys: (0..pairs)
-                .map(|_| self.alloc_glwe_switching_key_compressed(base2k, k, Rank(1), rank, dnum, dsize))
-                .collect(),
-        }
-    }
-
-    fn alloc_tensor_key_compressed_from_infos<A>(&self, infos: &A) -> TensorKeyCompressed<Vec<u8>>
+impl TensorKeyCompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
-        assert_eq!(
-            infos.rank_in(),
-            infos.rank_out(),
-            "rank_in != rank_out is not supported for GGLWETensorKeyCompressed"
-        );
-        self.alloc_tensor_key_compressed(
+        Self::alloc(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -122,16 +96,21 @@ infos.dsize(),
         )
     }
 
-    fn bytes_of_tensor_key_compressed(&self, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
-        let pairs: usize = (((rank.0 + 1) * rank.0) >> 1).max(1) as usize;
-        pairs * self.bytes_of_glwe_switching_key_compressed(base2k, k, Rank(1), dnum, dsize)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self {
+        let pairs: u32 = (((rank.as_u32() + 1) * rank.as_u32()) >> 1).max(1);
+        TensorKeyCompressed {
+            keys: (0..pairs)
+                .map(|_| GLWESwitchingKeyCompressed::alloc(n, base2k, k, Rank(1), rank, dnum, dsize))
+                .collect(),
+        }
     }
 
-    fn bytes_of_tensor_key_compressed_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
-        self.bytes_of_tensor_key_compressed(
+        Self::bytes_of(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -139,37 +118,10 @@ infos.dnum(),
             infos.dsize(),
         )
     }
-}
 
-impl TensorKeyCompressed<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: TensorKeyCompressedAlloc,
-    {
-        module.alloc_tensor_key_compressed_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self
-    where
-        M: TensorKeyCompressedAlloc,
-    {
-        module.alloc_tensor_key_compressed(base2k, k, rank, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: TensorKeyCompressedAlloc,
-    {
-        module.bytes_of_tensor_key_compressed_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize
-    where
-        M: TensorKeyCompressedAlloc,
-    {
-        module.bytes_of_tensor_key_compressed(base2k, k, rank, dnum, dsize)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
+        let pairs: usize = (((rank.0 + 1) * rank.0) >> 1).max(1) as usize;
+        pairs * GLWESwitchingKeyCompressed::bytes_of(n, base2k, k, Rank(1), dnum, dsize)
     }
 }
 

@@ -6,7 +6,7 @@ source::Source,
 };
 
 use crate::layouts::{
-    Base2K, Degree, Dnum, Dsize, GGSW, GGSWInfos, GGSWToMut, GLWEInfos, GetDegree, LWEInfos, Rank, TorusPrecision,
+    Base2K, Degree, Dnum, Dsize, GGSW, GGSWInfos, GGSWToMut, GLWEInfos, LWEInfos, Rank, TorusPrecision,
     compressed::{GLWECompressed, GLWEDecompress},
 };
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
@@ -96,20 +96,22 @@ self.data.fill_uniform(log_bound, source);
     }
 }
 
-impl<BE: Backend> GGSWCompressedAlloc for Module<BE> where Self: GetDegree {}
+impl GGSWCompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
+    where
+        A: GGSWInfos,
+    {
+        Self::alloc(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank(),
+            infos.dnum(),
+            infos.dsize(),
+        )
+    }
 
-pub trait GGSWCompressedAlloc
-where
-    Self: GetDegree,
-{
-    fn alloc_ggsw_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> GGSWCompressed<Vec<u8>> {
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self {
         let size: usize = k.0.div_ceil(base2k.0) as usize;
         assert!(
             size as u32 > dsize.0,
@@ -126,7 +128,7 @@ );
 
         GGSWCompressed {
             data: MatZnx::alloc(
-                self.ring_degree().into(),
+                n.into(),
                 dnum.into(),
                 (rank + 1).into(),
                 1,
@@ -140,11 +142,12 @@ seed: Vec::new(),
         }
     }
 
-    fn alloc_ggsw_compressed_from_infos<A>(&self, infos: &A) -> GGSWCompressed<Vec<u8>>
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGSWInfos,
     {
-        self.alloc_ggsw_compressed(
+        Self::bytes_of(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -153,7 +156,7 @@ infos.dsize(),
         )
     }
 
-    fn bytes_of_ggsw_compressed(&self, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
         let size: usize = k.0.div_ceil(base2k.0) as usize;
         assert!(
             size as u32 > dsize.0,
@@ -169,57 +172,12 @@ dsize.0,
         );
 
         MatZnx::bytes_of(
-            self.ring_degree().into(),
+            n.into(),
             dnum.into(),
             (rank + 1).into(),
             1,
             k.0.div_ceil(base2k.0) as usize,
         )
-    }
-
-    fn bytes_of_ggsw_compressed_key_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GGSWInfos,
-    {
-        self.bytes_of_ggsw_compressed(
-            infos.base2k(),
-            infos.k(),
-            infos.rank(),
-            infos.dnum(),
-            infos.dsize(),
-        )
-    }
-}
-
-impl GGSWCompressed<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGSWInfos,
-        M: GGSWCompressedAlloc,
-    {
-        module.alloc_ggsw_compressed_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self
-    where
-        M: GGSWCompressedAlloc,
-    {
-        module.alloc_ggsw_compressed(base2k, k, rank, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGSWInfos,
-        M: GGSWCompressedAlloc,
-    {
-        module.bytes_of_ggsw_compressed_key_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize
-    where
-        M: GGSWCompressedAlloc,
-    {
-        module.bytes_of_ggsw_compressed(base2k, k, rank, dnum, dsize)
     }
 }
 

@@ -88,17 +88,17 @@ self.data.fill_uniform(log_bound, source);
     }
 }
 
-pub trait GLWECompressedAlloc
-where
-    Self: GetDegree,
-{
-    fn alloc_glwe_compressed(&self, base2k: Base2K, k: TorusPrecision, rank: Rank) -> GLWECompressed<Vec<u8>> {
+impl GLWECompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
+    where
+        A: GLWEInfos,
+    {
+        Self::alloc(infos.n(), infos.base2k(), infos.k(), infos.rank())
+    }
+
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank) -> Self {
         GLWECompressed {
-            data: VecZnx::alloc(
-                self.ring_degree().into(),
-                1,
-                k.0.div_ceil(base2k.0) as usize,
-            ),
+            data: VecZnx::alloc(n.into(), 1, k.0.div_ceil(base2k.0) as usize),
             base2k,
             k,
             rank,
@@ -106,62 +106,15 @@ seed: [0u8; 32],
         }
     }
 
-    fn alloc_glwe_compressed_from_infos<A>(&self, infos: &A) -> GLWECompressed<Vec<u8>>
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GLWEInfos,
     {
-        assert_eq!(self.ring_degree(), infos.n());
-        self.alloc_glwe_compressed(infos.base2k(), infos.k(), infos.rank())
+        Self::bytes_of(infos.n(), infos.base2k(), infos.k())
     }
 
-    fn bytes_of_glwe_compressed(&self, base2k: Base2K, k: TorusPrecision) -> usize {
-        VecZnx::bytes_of(
-            self.ring_degree().into(),
-            1,
-            k.0.div_ceil(base2k.0) as usize,
-        )
-    }
-
-    fn bytes_of_glwe_compressed_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GLWEInfos,
-    {
-        assert_eq!(self.ring_degree(), infos.n());
-        self.bytes_of_glwe_compressed(infos.base2k(), infos.k())
-    }
-}
-
-impl<B: Backend> GLWECompressedAlloc for Module<B> where Self: GetDegree {}
-
-impl GLWECompressed<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GLWEInfos,
-        M: GLWECompressedAlloc,
-    {
-        module.alloc_glwe_compressed_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank) -> Self
-    where
-        M: GLWECompressedAlloc,
-    {
-        module.alloc_glwe_compressed(base2k, k, rank)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GLWEInfos,
-        M: GLWECompressedAlloc,
-    {
-        module.bytes_of_glwe_compressed_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision) -> usize
-    where
-        M: GLWECompressedAlloc,
-    {
-        module.bytes_of_glwe_compressed(base2k, k)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision) -> usize {
+        VecZnx::bytes_of(n.into(), 1, k.0.div_ceil(base2k.0) as usize)
     }
 }
 

@@ -9,8 +9,7 @@ use crate::layouts::{
     Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWEToLWESwitchingKey, GLWEToLWESwitchingKeyToMut, LWEInfos, Rank,
     TorusPrecision,
     compressed::{
-        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedAlloc, GLWESwitchingKeyCompressedToMut,
-        GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
+        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedToMut, GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
     },
 };
 
@@ -88,21 +87,8 @@ self.0.write_to(writer)
     }
 }
 
-pub trait GLWEToLWESwitchingKeyCompressedAlloc
-where
-    Self: GLWESwitchingKeyCompressedAlloc,
-{
-    fn alloc_glwe_to_lwe_switching_key_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        dnum: Dnum,
-    ) -> GLWEToLWESwitchingKeyCompressed<Vec<u8>> {
-        GLWEToLWESwitchingKeyCompressed(self.alloc_glwe_switching_key_compressed(base2k, k, rank_in, Rank(1), dnum, Dsize(1)))
-    }
-
-    fn alloc_glwe_to_lwe_switching_key_compressed_from_infos<A>(&self, infos: &A) -> GLWEToLWESwitchingKeyCompressed<Vec<u8>>
+impl GLWEToLWESwitchingKeyCompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
@@ -116,20 +102,28 @@ infos.dsize().0,
             1,
             "dsize > 1 is unsupported for GLWEToLWESwitchingKeyCompressed"
         );
-        self.alloc_glwe_to_lwe_switching_key_compressed(infos.base2k(), infos.k(), infos.rank_in(), infos.dnum())
+        Self::alloc(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank_in(),
+            infos.dnum(),
+        )
     }
 
-    fn bytes_of_glwe_to_lwe_switching_key_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        dnum: Dnum,
-    ) -> usize {
-        self.bytes_of_glwe_switching_key_compressed(base2k, k, rank_in, dnum, Dsize(1))
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum) -> Self {
+        GLWEToLWESwitchingKeyCompressed(GLWESwitchingKeyCompressed::alloc(
+            n,
+            base2k,
+            k,
+            rank_in,
+            Rank(1),
+            dnum,
+            Dsize(1),
+        ))
     }
 
-    fn bytes_of_glwe_to_lwe_switching_key_compressed_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
@@ -143,41 +137,11 @@ infos.dsize().0,
             1,
             "dsize > 1 is unsupported for GLWEToLWESwitchingKeyCompressed"
         );
-        self.bytes_of_glwe_switching_key_compressed_from_infos(infos)
-    }
-}
-
-impl<B: Backend> GLWEToLWESwitchingKeyCompressedAlloc for Module<B> where Self: GLWESwitchingKeyCompressedAlloc {}
-
-impl GLWEToLWESwitchingKeyCompressed<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: GLWEToLWESwitchingKeyCompressedAlloc,
-    {
-        module.alloc_glwe_to_lwe_switching_key_compressed_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum) -> Self
-    where
-        M: GLWEToLWESwitchingKeyCompressedAlloc,
-    {
-        module.alloc_glwe_to_lwe_switching_key_compressed(base2k, k, rank_in, dnum)
+        GLWESwitchingKeyCompressed::bytes_of_from_infos(infos)
     }
 
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: GLWEToLWESwitchingKeyCompressedAlloc,
-    {
-        module.bytes_of_glwe_to_lwe_switching_key_compressed_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, dnum: Dnum, rank_in: Rank) -> usize
-    where
-        M: GLWEToLWESwitchingKeyCompressedAlloc,
-    {
-        module.bytes_of_glwe_to_lwe_switching_key_compressed(base2k, k, rank_in, dnum)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, dnum: Dnum, rank_in: Rank) -> usize {
+        GLWESwitchingKeyCompressed::bytes_of(n, base2k, k, rank_in, dnum, Dsize(1))
     }
 }
 

@@ -62,8 +62,15 @@ self.data.fill_uniform(log_bound, source);
     }
 }
 
-pub trait LWECompressedAlloc {
-    fn alloc_lwe_compressed(&self, base2k: Base2K, k: TorusPrecision) -> LWECompressed<Vec<u8>> {
+impl LWECompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
+    where
+        A: LWEInfos,
+    {
+        Self::alloc(infos.base2k(), infos.k())
+    }
+
+    pub fn alloc(base2k: Base2K, k: TorusPrecision) -> Self {
         LWECompressed {
             data: Zn::alloc(1, 1, k.0.div_ceil(base2k.0) as usize),
             k,
@@ -72,56 +79,15 @@ seed: [0u8; 32],
         }
     }
 
-    fn alloc_lwe_compressed_from_infos<A>(&self, infos: &A) -> LWECompressed<Vec<u8>>
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: LWEInfos,
     {
-        self.alloc_lwe_compressed(infos.base2k(), infos.k())
+        Self::bytes_of(infos.base2k(), infos.k())
     }
 
-    fn bytes_of_lwe_compressed(&self, base2k: Base2K, k: TorusPrecision) -> usize {
+    pub fn bytes_of(base2k: Base2K, k: TorusPrecision) -> usize {
         Zn::bytes_of(1, 1, k.0.div_ceil(base2k.0) as usize)
-    }
-
-    fn bytes_of_lwe_compressed_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: LWEInfos,
-    {
-        self.bytes_of_lwe_compressed(infos.base2k(), infos.k())
-    }
-}
-
-impl<B: Backend> LWECompressedAlloc for Module<B> {}
-
-impl LWECompressed<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: LWEInfos,
-        M: LWECompressedAlloc,
-    {
-        module.alloc_lwe_compressed_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision) -> Self
-    where
-        M: LWECompressedAlloc,
-    {
-        module.alloc_lwe_compressed(base2k, k)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: LWEInfos,
-        M: LWECompressedAlloc,
-    {
-        module.bytes_of_lwe_compressed_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision) -> usize
-    where
-        M: LWECompressedAlloc,
-    {
-        module.bytes_of_lwe_compressed(base2k, k)
     }
 }
 

@@ -6,8 +6,7 @@
 use crate::layouts::{
     Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, LWEInfos, LWESwitchingKey, LWESwitchingKeyToMut, Rank, TorusPrecision,
     compressed::{
-        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedAlloc, GLWESwitchingKeyCompressedToMut,
-        GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
+        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedToMut, GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
     },
 };
 use std::fmt;
@@ -85,20 +84,8 @@ self.0.write_to(writer)
     }
 }
 
-pub trait LWESwitchingKeyCompressedAlloc
-where
-    Self: GLWESwitchingKeyCompressedAlloc,
-{
-    fn alloc_lwe_switching_key_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        dnum: Dnum,
-    ) -> LWESwitchingKeyCompressed<Vec<u8>> {
-        LWESwitchingKeyCompressed(self.alloc_glwe_switching_key_compressed(base2k, k, Rank(1), Rank(1), dnum, Dsize(1)))
-    }
-
-    fn alloc_lwe_switching_key_compressed_from_infos<A>(&self, infos: &A) -> LWESwitchingKeyCompressed<Vec<u8>>
+impl LWESwitchingKeyCompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
@@ -117,14 +104,22 @@ infos.rank_out().0,
             1,
             "rank_out > 1 is not supported for LWESwitchingKeyCompressed"
         );
-        self.alloc_lwe_switching_key_compressed(infos.base2k(), infos.k(), infos.dnum())
+        Self::alloc(infos.n(), infos.base2k(), infos.k(), infos.dnum())
     }
 
-    fn bytes_of_lwe_switching_key_compressed(&self, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize {
-        self.bytes_of_glwe_switching_key_compressed(base2k, k, Rank(1), dnum, Dsize(1))
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> Self {
+        LWESwitchingKeyCompressed(GLWESwitchingKeyCompressed::alloc(
+            n,
+            base2k,
+            k,
+            Rank(1),
+            Rank(1),
+            dnum,
+            Dsize(1),
+        ))
     }
 
-    fn bytes_of_lwe_switching_key_compressed_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
@@ -143,41 +138,11 @@ infos.rank_out().0,
             1,
             "rank_out > 1 is not supported for LWESwitchingKeyCompressed"
         );
-        self.bytes_of_glwe_switching_key_compressed_from_infos(infos)
+        GLWESwitchingKeyCompressed::bytes_of_from_infos(infos)
     }
-}
 
-impl<B: Backend> LWESwitchingKeyCompressedAlloc for Module<B> where Self: GLWESwitchingKeyCompressedAlloc {}
-
-impl LWESwitchingKeyCompressed<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: LWESwitchingKeyCompressedAlloc,
-    {
-        module.alloc_lwe_switching_key_compressed_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> Self
-    where
-        M: LWESwitchingKeyCompressedAlloc,
-    {
-        module.alloc_lwe_switching_key_compressed(base2k, k, dnum)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: LWESwitchingKeyCompressedAlloc,
-    {
-        module.bytes_of_lwe_switching_key_compressed_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize
-    where
-        M: LWESwitchingKeyCompressedAlloc,
-    {
-        module.bytes_of_lwe_switching_key_compressed(base2k, k, dnum)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize {
+        GLWESwitchingKeyCompressed::bytes_of(n, base2k, k, Rank(1), dnum, Dsize(1))
     }
 }
 

@@ -7,8 +7,7 @@ use crate::layouts::{
     Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, LWEInfos, LWEToGLWESwitchingKey, LWEToGLWESwitchingKeyToMut, Rank,
     TorusPrecision,
     compressed::{
-        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedAlloc, GLWESwitchingKeyCompressedToMut,
-        GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
+        GLWESwitchingKeyCompressed, GLWESwitchingKeyCompressedToMut, GLWESwitchingKeyCompressedToRef, GLWESwitchingKeyDecompress,
     },
 };
 use std::fmt;
@@ -86,23 +85,8 @@ self.0.write_to(writer)
     }
 }
 
-impl<BE: Backend> LWEToGLWESwitchingKeyCompressedAlloc for Module<BE> where Self: GLWESwitchingKeyCompressedAlloc {}
-
-pub trait LWEToGLWESwitchingKeyCompressedAlloc
-where
-    Self: GLWESwitchingKeyCompressedAlloc,
-{
-    fn alloc_lwe_to_glwe_switching_key_compressed(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_out: Rank,
-        dnum: Dnum,
-    ) -> LWEToGLWESwitchingKeyCompressed<Vec<u8>> {
-        LWEToGLWESwitchingKeyCompressed(self.alloc_glwe_switching_key_compressed(base2k, k, Rank(1), rank_out, dnum, Dsize(1)))
-    }
-
-    fn alloc_lwe_to_glwe_switching_key_compressed_from_infos<A>(&self, infos: &A) -> LWEToGLWESwitchingKeyCompressed<Vec<u8>>
+impl LWEToGLWESwitchingKeyCompressed<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
@@ -116,14 +100,28 @@ infos.rank_in().0,
             1,
             "rank_in > 1 is not supported for LWEToGLWESwitchingKeyCompressed"
         );
-        self.alloc_lwe_to_glwe_switching_key_compressed(infos.base2k(), infos.k(), infos.rank_out(), infos.dnum())
+        Self::alloc(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank_out(),
+            infos.dnum(),
+        )
     }
 
-    fn bytes_of_lwe_to_glwe_switching_key_compressed(&self, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize {
-        self.bytes_of_glwe_switching_key_compressed(base2k, k, Rank(1), dnum, Dsize(1))
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank_out: Rank, dnum: Dnum) -> Self {
+        LWEToGLWESwitchingKeyCompressed(GLWESwitchingKeyCompressed::alloc(
+            n,
+            base2k,
+            k,
+            Rank(1),
+            rank_out,
+            dnum,
+            Dsize(1),
+        ))
     }
 
-    fn bytes_of_lwe_to_glwe_switching_key_compressed_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
@@ -137,39 +135,11 @@ infos.rank_in().0,
             1,
             "rank_in > 1 is not supported for LWEToGLWESwitchingKeyCompressed"
         );
-        self.bytes_of_lwe_to_glwe_switching_key_compressed(infos.base2k(), infos.k(), infos.dnum())
-    }
-}
-
-impl LWEToGLWESwitchingKeyCompressed<Vec<u8>> {
-    pub fn alloc<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: LWEToGLWESwitchingKeyCompressedAlloc,
-    {
-        module.alloc_lwe_to_glwe_switching_key_compressed_from_infos(infos)
+        GLWESwitchingKeyCompressed::bytes_of_from_infos(infos)
     }
 
-    pub fn alloc_with<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank_out: Rank, dnum: Dnum) -> Self
-    where
-        M: LWEToGLWESwitchingKeyCompressedAlloc,
-    {
-        module.alloc_lwe_to_glwe_switching_key_compressed(base2k, k, rank_out, dnum)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: LWEToGLWESwitchingKeyCompressedAlloc,
-    {
-        module.bytes_of_lwe_to_glwe_switching_key_compressed_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize
-    where
-        M: LWEToGLWESwitchingKeyCompressedAlloc,
-    {
-        module.bytes_of_lwe_to_glwe_switching_key_compressed(base2k, k, dnum)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize {
+        GLWESwitchingKeyCompressed::bytes_of(n, base2k, k, Rank(1), dnum, Dsize(1))
     }
 }
 

@@ -1,11 +1,11 @@
 use poulpy_hal::{
-    layouts::{Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, WriterTo},
+    layouts::{Data, DataMut, DataRef, FillUniform, ReaderFrom, WriterTo},
     source::Source,
 };
 
 use crate::layouts::{
-    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWE, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyAlloc, GLWESwitchingKeyToMut,
-    GLWESwitchingKeyToRef, LWEInfos, Rank, TorusPrecision,
+    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWE, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyToMut, GLWESwitchingKeyToRef,
+    LWEInfos, Rank, TorusPrecision,
     prepared::{GetAutomorphismGaloisElement, SetAutomorphismGaloisElement},
 };
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
@@ -144,31 +144,13 @@ write!(f, "(AutomorphismKey: p={}) {}", self.p, self.key)
     }
 }
 
-impl<B: Backend> AutomorphismKeyAlloc for Module<B> where Self: GLWESwitchingKeyAlloc {}
-
-pub trait AutomorphismKeyAlloc
-where
-    Self: GLWESwitchingKeyAlloc,
-{
-    fn alloc_automorphism_key(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> AutomorphismKey<Vec<u8>> {
-        AutomorphismKey {
-            key: self.alloc_glwe_switching_key(base2k, k, rank, rank, dnum, dsize),
-            p: 0,
-        }
-    }
-
-    fn alloc_automorphism_key_from_infos<A>(&self, infos: &A) -> AutomorphismKey<Vec<u8>>
+impl AutomorphismKey<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
-        self.alloc_automorphism_key(
+        Self::alloc(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -177,11 +159,14 @@ infos.dsize(),
         )
     }
 
-    fn bytes_of_automorphism_key(&self, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
-        self.bytes_of_glwe_switching_key(base2k, k, rank, rank, dnum, dsize)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self {
+        AutomorphismKey {
+            key: GLWESwitchingKey::alloc(n, base2k, k, rank, rank, dnum, dsize),
+            p: 0,
+        }
     }
 
-    fn bytes_of_automorphism_key_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
@@ -190,7 +175,8 @@ infos.rank_in(),
             infos.rank_out(),
             "rank_in != rank_out is not supported for AutomorphismKey"
         );
-        self.bytes_of_automorphism_key(
+        Self::bytes_of(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -198,37 +184,9 @@ infos.dnum(),
             infos.dsize(),
         )
     }
-}
 
-impl AutomorphismKey<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: AutomorphismKeyAlloc,
-    {
-        module.alloc_automorphism_key_from_infos(infos)
-    }
-
-    pub fn alloc_with<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self
-    where
-        M: AutomorphismKeyAlloc,
-    {
-        module.alloc_automorphism_key(base2k, k, rank, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: AutomorphismKeyAlloc,
-    {
-        module.bytes_of_automorphism_key_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize
-    where
-        M: AutomorphismKeyAlloc,
-    {
-        module.bytes_of_automorphism_key(base2k, k, rank, dnum, dsize)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
+        GLWESwitchingKey::bytes_of(n, base2k, k, rank, rank, dnum, dsize)
     }
 }
 

@@ -1,11 +1,9 @@
 use poulpy_hal::{
-    layouts::{
-        Backend, Data, DataMut, DataRef, FillUniform, MatZnx, MatZnxToMut, MatZnxToRef, Module, ReaderFrom, WriterTo, ZnxInfos,
-    },
+    layouts::{Data, DataMut, DataRef, FillUniform, MatZnx, MatZnxToMut, MatZnxToRef, ReaderFrom, WriterTo, ZnxInfos},
     source::Source,
 };
 
-use crate::layouts::{Base2K, Degree, Dnum, Dsize, GLWE, GLWEInfos, GetDegree, LWEInfos, Rank, TorusPrecision};
+use crate::layouts::{Base2K, Degree, Dnum, Dsize, GLWE, GLWEInfos, LWEInfos, Rank, TorusPrecision};
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
 
 use std::fmt;
@@ -191,19 +189,23 @@ }
     }
 }
 
-pub trait GGLWEAlloc
-where
-    Self: GetDegree,
-{
-    fn alloc_gglwe(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> GGLWE<Vec<u8>> {
+impl GGLWE<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
+    where
+        A: GGLWEInfos,
+    {
+        Self::alloc(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank_in(),
+            infos.rank_out(),
+            infos.dnum(),
+            infos.dsize(),
+        )
+    }
+
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank_in: Rank, rank_out: Rank, dnum: Dnum, dsize: Dsize) -> Self {
         let size: usize = k.0.div_ceil(base2k.0) as usize;
         debug_assert!(
             size as u32 > dsize.0,
@@ -220,7 +222,7 @@ );
 
         GGLWE {
             data: MatZnx::alloc(
-                self.ring_degree().into(),
+                n.into(),
                 dnum.into(),
                 rank_in.into(),
                 (rank_out + 1).into(),
@@ -232,11 +234,12 @@ dsize,
         }
     }
 
-    fn alloc_glwe_from_infos<A>(&self, infos: &A) -> GGLWE<Vec<u8>>
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
-        self.alloc_gglwe(
+        Self::bytes_of(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank_in(),
@@ -246,8 +249,8 @@ infos.dsize(),
         )
     }
 
-    fn bytes_of_gglwe(
-        &self,
+    pub fn bytes_of(
+        n: Degree,
         base2k: Base2K,
         k: TorusPrecision,
         rank_in: Rank,
@@ -270,76 +273,12 @@ dsize.0,
         );
 
         MatZnx::bytes_of(
-            self.ring_degree().into(),
+            n.into(),
             dnum.into(),
             rank_in.into(),
             (rank_out + 1).into(),
             k.0.div_ceil(base2k.0) as usize,
         )
-    }
-
-    fn bytes_of_gglwe_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-    {
-        self.bytes_of_gglwe(
-            infos.base2k(),
-            infos.k(),
-            infos.rank_in(),
-            infos.rank_out(),
-            infos.dnum(),
-            infos.dsize(),
-        )
-    }
-}
-
-impl<B: Backend> GGLWEAlloc for Module<B> where Self: GetDegree {}
-
-impl GGLWE<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: GGLWEAlloc,
-    {
-        module.alloc_glwe_from_infos(infos)
-    }
-
-    pub fn alloc<M>(
-        module: &M,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> Self
-    where
-        M: GGLWEAlloc,
-    {
-        module.alloc_gglwe(base2k, k, rank_in, rank_out, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: GGLWEAlloc,
-    {
-        module.bytes_of_gglwe_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(
-        module: &M,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> usize
-    where
-        M: GGLWEAlloc,
-    {
-        module.bytes_of_gglwe(base2k, k, rank_in, rank_out, dnum, dsize)
     }
 }
 

@@ -1,11 +1,10 @@
 use poulpy_hal::{
-    layouts::{Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, WriterTo},
+    layouts::{Data, DataMut, DataRef, FillUniform, ReaderFrom, WriterTo},
     source::Source,
 };
 
 use crate::layouts::{
-    Base2K, Degree, Dnum, Dsize, GGLWE, GGLWEAlloc, GGLWEInfos, GGLWEToMut, GGLWEToRef, GLWE, GLWEInfos, LWEInfos, Rank,
-    TorusPrecision,
+    Base2K, Degree, Dnum, Dsize, GGLWE, GGLWEInfos, GGLWEToMut, GGLWEToRef, GLWE, GLWEInfos, LWEInfos, Rank, TorusPrecision,
 };
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
 
@@ -163,31 +162,13 @@ self.key.fill_uniform(log_bound, source);
     }
 }
 
-pub trait GLWESwitchingKeyAlloc
-where
-    Self: GGLWEAlloc,
-{
-    fn alloc_glwe_switching_key(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> GLWESwitchingKey<Vec<u8>> {
-        GLWESwitchingKey {
-            key: self.alloc_gglwe(base2k, k, rank_in, rank_out, dnum, dsize),
-            sk_in_n: 0,
-            sk_out_n: 0,
-        }
-    }
-
-    fn alloc_glwe_switching_key_from_infos<A>(&self, infos: &A) -> GLWESwitchingKey<Vec<u8>>
+impl GLWESwitchingKey<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
-        self.alloc_glwe_switching_key(
+        Self::alloc(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank_in(),
@@ -197,23 +178,20 @@ infos.dsize(),
         )
     }
 
-    fn bytes_of_glwe_switching_key(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> usize {
-        self.bytes_of_gglwe(base2k, k, rank_in, rank_out, dnum, dsize)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank_in: Rank, rank_out: Rank, dnum: Dnum, dsize: Dsize) -> Self {
+        GLWESwitchingKey {
+            key: GGLWE::alloc(n, base2k, k, rank_in, rank_out, dnum, dsize),
+            sk_in_n: 0,
+            sk_out_n: 0,
+        }
     }
 
-    fn bytes_of_glwe_switching_key_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
-        self.bytes_of_glwe_switching_key(
+        Self::bytes_of(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank_in(),
@@ -222,55 +200,17 @@ infos.dnum(),
             infos.dsize(),
         )
     }
-}
 
-impl<B: Backend> GLWESwitchingKeyAlloc for Module<B> where Self: GGLWEAlloc {}
-
-impl GLWESwitchingKey<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: GLWESwitchingKeyAlloc,
-    {
-        module.alloc_glwe_switching_key_from_infos(infos)
-    }
-
-    pub fn alloc<M>(
-        module: &M,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        rank_out: Rank,
-        dnum: Dnum,
-        dsize: Dsize,
-    ) -> Self
-    where
-        M: GLWESwitchingKeyAlloc,
-    {
-        module.alloc_glwe_switching_key(base2k, k, rank_in, rank_out, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: GLWESwitchingKeyAlloc,
-    {
-        module.bytes_of_glwe_switching_key_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(
-        module: &M,
+    pub fn bytes_of(
+        n: Degree,
         base2k: Base2K,
         k: TorusPrecision,
         rank_in: Rank,
         rank_out: Rank,
         dnum: Dnum,
         dsize: Dsize,
-    ) -> usize
-    where
-        M: GLWESwitchingKeyAlloc,
-    {
-        module.bytes_of_glwe_switching_key(base2k, k, rank_in, rank_out, dnum, dsize)
+    ) -> usize {
+        GGLWE::bytes_of(n, base2k, k, rank_in, rank_out, dnum, dsize)
     }
 }
 

@@ -1,11 +1,11 @@
 use poulpy_hal::{
-    layouts::{Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, WriterTo},
+    layouts::{Data, DataMut, DataRef, FillUniform, ReaderFrom, WriterTo},
     source::Source,
 };
 
 use crate::layouts::{
-    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyAlloc, GLWESwitchingKeyToMut,
-    GLWESwitchingKeyToRef, LWEInfos, Rank, TorusPrecision,
+    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyToMut, GLWESwitchingKeyToRef, LWEInfos,
+    Rank, TorusPrecision,
 };
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
 
@@ -130,20 +130,8 @@ Ok(())
     }
 }
 
-pub trait TensorKeyAlloc
-where
-    Self: GLWESwitchingKeyAlloc,
-{
-    fn alloc_tensor_key(&self, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> TensorKey<Vec<u8>> {
-        let pairs: u32 = (((rank.0 + 1) * rank.0) >> 1).max(1);
-        TensorKey {
-            keys: (0..pairs)
-                .map(|_| self.alloc_glwe_switching_key(base2k, k, Rank(1), rank, dnum, dsize))
-                .collect(),
-        }
-    }
-
-    fn alloc_tensor_key_from_infos<A>(&self, infos: &A) -> TensorKey<Vec<u8>>
+impl TensorKey<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
@@ -152,7 +140,8 @@ infos.rank_in(),
             infos.rank_out(),
             "rank_in != rank_out is not supported for GGLWETensorKey"
         );
-        self.alloc_tensor_key(
+        Self::alloc(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -161,12 +150,16 @@ infos.dsize(),
         )
     }
 
-    fn bytes_of_tensor_key(&self, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
-        let pairs: usize = (((rank.0 + 1) * rank.0) >> 1).max(1) as usize;
-        pairs * self.bytes_of_glwe_switching_key(base2k, k, Rank(1), rank, dnum, dsize)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self {
+        let pairs: u32 = (((rank.0 + 1) * rank.0) >> 1).max(1);
+        TensorKey {
+            keys: (0..pairs)
+                .map(|_| GLWESwitchingKey::alloc(n, base2k, k, Rank(1), rank, dnum, dsize))
+                .collect(),
+        }
     }
 
-    fn bytes_of_tensor_key_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
@@ -175,7 +168,8 @@ infos.rank_in(),
             infos.rank_out(),
             "rank_in != rank_out is not supported for GGLWETensorKey"
         );
-        self.bytes_of_tensor_key(
+        Self::bytes_of(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -183,39 +177,10 @@ infos.dnum(),
             infos.dsize(),
         )
     }
-}
 
-impl<B: Backend> TensorKeyAlloc for Module<B> where Self: GLWESwitchingKeyAlloc {}
-
-impl TensorKey<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: TensorKeyAlloc,
-    {
-        module.alloc_tensor_key_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self
-    where
-        M: TensorKeyAlloc,
-    {
-        module.alloc_tensor_key(base2k, k, rank, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: TensorKeyAlloc,
-    {
-        module.bytes_of_tensor_key_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize
-    where
-        M: TensorKeyAlloc,
-    {
-        module.bytes_of_tensor_key(base2k, k, rank, dnum, dsize)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
+        let pairs: usize = (((rank.0 + 1) * rank.0) >> 1).max(1) as usize;
+        pairs * GLWESwitchingKey::bytes_of(n, base2k, k, Rank(1), rank, dnum, dsize)
     }
 }
 

@@ -1,12 +1,10 @@
 use poulpy_hal::{
-    layouts::{
-        Backend, Data, DataMut, DataRef, FillUniform, MatZnx, MatZnxToMut, MatZnxToRef, Module, ReaderFrom, WriterTo, ZnxInfos,
-    },
+    layouts::{Data, DataMut, DataRef, FillUniform, MatZnx, MatZnxToMut, MatZnxToRef, ReaderFrom, WriterTo, ZnxInfos},
     source::Source,
 };
 use std::fmt;
 
-use crate::layouts::{Base2K, Degree, Dnum, Dsize, GLWE, GLWEInfos, GetDegree, LWEInfos, Rank, TorusPrecision};
+use crate::layouts::{Base2K, Degree, Dnum, Dsize, GLWE, GLWEInfos, LWEInfos, Rank, TorusPrecision};
 
 pub trait GGSWInfos
 where
@@ -152,13 +150,22 @@ }
     }
 }
 
-impl<B: Backend> GGSWAlloc for Module<B> where Self: GetDegree {}
+impl GGSW<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
+    where
+        A: GGSWInfos,
+    {
+        Self::alloc(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank(),
+            infos.dnum(),
+            infos.dsize(),
+        )
+    }
 
-pub trait GGSWAlloc
-where
-    Self: GetDegree,
-{
-    fn alloc_ggsw(&self, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> GGSW<Vec<u8>> {
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self {
         let size: usize = k.0.div_ceil(base2k.0) as usize;
         debug_assert!(
             size as u32 > dsize.0,
@@ -175,7 +182,7 @@ );
 
         GGSW {
             data: MatZnx::alloc(
-                self.ring_degree().into(),
+                n.into(),
                 dnum.into(),
                 (rank + 1).into(),
                 (rank + 1).into(),
@@ -187,11 +194,12 @@ dsize,
         }
     }
 
-    fn alloc_ggsw_from_infos<A>(&self, infos: &A) -> GGSW<Vec<u8>>
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGSWInfos,
     {
-        self.alloc_ggsw(
+        Self::bytes_of(
+            infos.n(),
             infos.base2k(),
             infos.k(),
             infos.rank(),
@@ -200,7 +208,7 @@ infos.dsize(),
         )
     }
 
-    fn bytes_of_ggsw(&self, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize {
         let size: usize = k.0.div_ceil(base2k.0) as usize;
         debug_assert!(
             size as u32 > dsize.0,
@@ -216,57 +224,12 @@ dsize.0,
         );
 
         MatZnx::bytes_of(
-            self.ring_degree().into(),
+            n.into(),
             dnum.into(),
             (rank + 1).into(),
             (rank + 1).into(),
             k.0.div_ceil(base2k.0) as usize,
         )
-    }
-
-    fn bytes_of_ggsw_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GGSWInfos,
-    {
-        self.bytes_of_ggsw(
-            infos.base2k(),
-            infos.k(),
-            infos.rank(),
-            infos.dnum(),
-            infos.dsize(),
-        )
-    }
-}
-
-impl GGSW<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGSWInfos,
-        M: GGSWAlloc,
-    {
-        module.alloc_ggsw_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> Self
-    where
-        M: GGSWAlloc,
-    {
-        module.alloc_ggsw(base2k, k, rank, dnum, dsize)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGSWInfos,
-        M: GGSWAlloc,
-    {
-        module.bytes_of_ggsw_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank, dnum: Dnum, dsize: Dsize) -> usize
-    where
-        M: GGSWAlloc,
-    {
-        module.bytes_of_ggsw(base2k, k, rank, dnum, dsize)
     }
 }
 

@@ -1,12 +1,11 @@
 use poulpy_hal::{
     layouts::{
-        Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, ToOwnedDeep, VecZnx, VecZnxToMut, VecZnxToRef,
-        WriterTo, ZnxInfos,
+        Data, DataMut, DataRef, FillUniform, ReaderFrom, ToOwnedDeep, VecZnx, VecZnxToMut, VecZnxToRef, WriterTo, ZnxInfos,
     },
     source::Source,
 };
 
-use crate::layouts::{Base2K, Degree, GetDegree, LWEInfos, Rank, TorusPrecision};
+use crate::layouts::{Base2K, Degree, LWEInfos, Rank, TorusPrecision};
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
 use std::fmt;
 
@@ -146,76 +145,31 @@ self.data.fill_uniform(log_bound, source);
     }
 }
 
-pub trait GLWEAlloc
-where
-    Self: GetDegree,
-{
-    fn alloc_glwe(&self, base2k: Base2K, k: TorusPrecision, rank: Rank) -> GLWE<Vec<u8>> {
-        GLWE {
-            data: VecZnx::alloc(
-                self.ring_degree().into(),
-                (rank + 1).into(),
-                k.0.div_ceil(base2k.0) as usize,
-            ),
-            base2k,
-            k,
-        }
-    }
-
-    fn alloc_glwe_from_infos<A>(&self, infos: &A) -> GLWE<Vec<u8>>
-    where
-        A: GLWEInfos,
-    {
-        self.alloc_glwe(infos.base2k(), infos.k(), infos.rank())
-    }
-
-    fn bytes_of_glwe(&self, base2k: Base2K, k: TorusPrecision, rank: Rank) -> usize {
-        VecZnx::bytes_of(
-            self.ring_degree().into(),
-            (rank + 1).into(),
-            k.0.div_ceil(base2k.0) as usize,
-        )
-    }
-
-    fn bytes_of_glwe_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GLWEInfos,
-    {
-        self.bytes_of_glwe(infos.base2k(), infos.k(), infos.rank())
-    }
-}
-
-impl<B: Backend> GLWEAlloc for Module<B> where Self: GetDegree {}
-
 impl GLWE<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GLWEInfos,
-        M: GLWEAlloc,
     {
-        module.alloc_glwe_from_infos(infos)
+        Self::alloc(infos.n(), infos.base2k(), infos.k(), infos.rank())
     }
 
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank) -> Self
-    where
-        M: GLWEAlloc,
-    {
-        module.alloc_glwe(base2k, k, rank)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank) -> Self {
+        GLWE {
+            data: VecZnx::alloc(n.into(), (rank + 1).into(), k.0.div_ceil(base2k.0) as usize),
+            base2k,
+            k,
+        }
     }
 
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GLWEInfos,
-        M: GLWEAlloc,
     {
-        module.bytes_of_glwe_from_infos(infos)
+        Self::bytes_of(infos.n(), infos.base2k(), infos.k(), infos.rank())
     }
 
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank) -> usize
-    where
-        M: GLWEAlloc,
-    {
-        module.bytes_of_glwe(base2k, k, rank)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank) -> usize {
+        VecZnx::bytes_of(n.into(), (rank + 1).into(), k.0.div_ceil(base2k.0) as usize)
     }
 }
 

@@ -1,11 +1,9 @@
-use poulpy_hal::layouts::{
-    Backend, Data, DataMut, DataRef, Module, ReaderFrom, VecZnx, VecZnxToMut, VecZnxToRef, WriterTo, ZnxInfos,
-};
+use poulpy_hal::layouts::{Data, DataMut, DataRef, ReaderFrom, VecZnx, VecZnxToMut, VecZnxToRef, WriterTo, ZnxInfos};
 
 use crate::{
     GetDistribution, GetDistributionMut,
     dist::Distribution,
-    layouts::{Base2K, Degree, GLWEInfos, GetDegree, LWEInfos, Rank, TorusPrecision},
+    layouts::{Base2K, Degree, GLWEInfos, LWEInfos, Rank, TorusPrecision},
 };
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
 
@@ -85,77 +83,32 @@ self.rank
     }
 }
 
-pub trait GLWEPublicKeyAlloc
-where
-    Self: GetDegree,
-{
-    fn alloc_glwe_public_key(&self, base2k: Base2K, k: TorusPrecision, rank: Rank) -> GLWEPublicKey<Vec<u8>> {
-        GLWEPublicKey {
-            data: VecZnx::alloc(
-                self.ring_degree().into(),
-                (rank + 1).into(),
-                k.0.div_ceil(base2k.0) as usize,
-            ),
-            base2k,
-            k,
-            dist: Distribution::NONE,
-        }
-    }
-
-    fn alloc_glwe_public_key_from_infos<A>(&self, infos: &A) -> GLWEPublicKey<Vec<u8>>
-    where
-        A: GLWEInfos,
-    {
-        self.alloc_glwe_public_key(infos.base2k(), infos.k(), infos.rank())
-    }
-
-    fn bytes_of_glwe_public_key(&self, base2k: Base2K, k: TorusPrecision, rank: Rank) -> usize {
-        VecZnx::bytes_of(
-            self.ring_degree().into(),
-            (rank + 1).into(),
-            k.0.div_ceil(base2k.0) as usize,
-        )
-    }
-
-    fn bytes_of_glwe_public_key_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GLWEInfos,
-    {
-        self.bytes_of_glwe_public_key(infos.base2k(), infos.k(), infos.rank())
-    }
-}
-
-impl<B: Backend> GLWEPublicKeyAlloc for Module<B> where Self: GetDegree {}
-
 impl GLWEPublicKey<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GLWEInfos,
-        M: GLWEPublicKeyAlloc,
     {
-        module.alloc_glwe_public_key_from_infos(infos)
+        Self::alloc(infos.n(), infos.base2k(), infos.k(), infos.rank())
     }
 
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank) -> Self
-    where
-        M: GLWEPublicKeyAlloc,
-    {
-        module.alloc_glwe_public_key(base2k, k, rank)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank) -> Self {
+        GLWEPublicKey {
+            data: VecZnx::alloc(n.into(), (rank + 1).into(), k.0.div_ceil(base2k.0) as usize),
+            base2k,
+            k,
+            dist: Distribution::NONE,
+        }
     }
 
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GLWEInfos,
-        M: GLWEPublicKeyAlloc,
     {
-        module.bytes_of_glwe_public_key_from_infos(infos)
+        Self::bytes_of(infos.n(), infos.base2k(), infos.k(), infos.rank())
     }
 
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank: Rank) -> usize
-    where
-        M: GLWEPublicKeyAlloc,
-    {
-        module.bytes_of_glwe_public_key(base2k, k, rank)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank) -> usize {
+        VecZnx::bytes_of(n.into(), (rank + 1).into(), k.0.div_ceil(base2k.0) as usize)
     }
 }
 

@@ -1,10 +1,8 @@
 use std::fmt;
 
-use poulpy_hal::layouts::{Backend, Data, DataMut, DataRef, Module, VecZnx, VecZnxToMut, VecZnxToRef, ZnxInfos};
+use poulpy_hal::layouts::{Data, DataMut, DataRef, VecZnx, VecZnxToMut, VecZnxToRef, ZnxInfos};
 
-use crate::layouts::{
-    Base2K, Degree, GLWE, GLWEInfos, GLWEToMut, GLWEToRef, GetDegree, LWEInfos, Rank, SetGLWEInfos, TorusPrecision,
-};
+use crate::layouts::{Base2K, Degree, GLWE, GLWEInfos, GLWEToMut, GLWEToRef, LWEInfos, Rank, SetGLWEInfos, TorusPrecision};
 
 #[derive(PartialEq, Eq, Copy, Clone, Debug)]
 pub struct GLWEPlaintextLayout {
@@ -85,76 +83,31 @@ )
     }
 }
 
-pub trait GLWEPlaintextAlloc
-where
-    Self: GetDegree,
-{
-    fn alloc_glwe_plaintext(&self, base2k: Base2K, k: TorusPrecision) -> GLWEPlaintext<Vec<u8>> {
-        GLWEPlaintext {
-            data: VecZnx::alloc(
-                self.ring_degree().into(),
-                1,
-                k.0.div_ceil(base2k.0) as usize,
-            ),
-            base2k,
-            k,
-        }
-    }
-
-    fn alloc_glwe_plaintext_from_infos<A>(&self, infos: &A) -> GLWEPlaintext<Vec<u8>>
-    where
-        A: GLWEInfos,
-    {
-        self.alloc_glwe_plaintext(infos.base2k(), infos.k())
-    }
-
-    fn bytes_of_glwe_plaintext(&self, base2k: Base2K, k: TorusPrecision) -> usize {
-        VecZnx::bytes_of(
-            self.ring_degree().into(),
-            1,
-            k.0.div_ceil(base2k.0) as usize,
-        )
-    }
-
-    fn bytes_of_glwe_plaintext_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GLWEInfos,
-    {
-        self.bytes_of_glwe_plaintext(infos.base2k(), infos.k())
-    }
-}
-
-impl<B: Backend> GLWEPlaintextAlloc for Module<B> where Self: GetDegree {}
-
 impl GLWEPlaintext<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GLWEInfos,
-        M: GLWEPlaintextAlloc,
     {
-        module.alloc_glwe_plaintext_from_infos(infos)
+        Self::alloc(infos.n(), infos.base2k(), infos.k())
     }
 
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision) -> Self
-    where
-        M: GLWEPlaintextAlloc,
-    {
-        module.alloc_glwe_plaintext(base2k, k)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision) -> Self {
+        GLWEPlaintext {
+            data: VecZnx::alloc(n.into(), 1, k.0.div_ceil(base2k.0) as usize),
+            base2k,
+            k,
+        }
     }
 
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GLWEInfos,
-        M: GLWEPlaintextAlloc,
     {
-        module.bytes_of_glwe_plaintext_from_infos(infos)
+        Self::bytes_of(infos.n(), infos.base2k(), infos.k())
     }
 
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision) -> usize
-    where
-        M: GLWEPlaintextAlloc,
-    {
-        module.bytes_of_glwe_plaintext(base2k, k)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision) -> usize {
+        VecZnx::bytes_of(n.into(), 1, k.0.div_ceil(base2k.0) as usize)
     }
 }
 

@@ -1,15 +1,12 @@
 use poulpy_hal::{
-    layouts::{
-        Backend, Data, DataMut, DataRef, Module, ReaderFrom, ScalarZnx, ScalarZnxToMut, ScalarZnxToRef, WriterTo, ZnxInfos,
-        ZnxZero,
-    },
+    layouts::{Data, DataMut, DataRef, ReaderFrom, ScalarZnx, ScalarZnxToMut, ScalarZnxToRef, WriterTo, ZnxInfos, ZnxZero},
     source::Source,
 };
 
 use crate::{
     GetDistribution,
     dist::Distribution,
-    layouts::{Base2K, Degree, GLWEInfos, GetDegree, LWEInfos, Rank, TorusPrecision},
+    layouts::{Base2K, Degree, GLWEInfos, LWEInfos, Rank, TorusPrecision},
 };
 
 #[derive(PartialEq, Eq, Copy, Clone, Debug)]
@@ -77,67 +74,30 @@ Rank(self.data.cols() as u32)
     }
 }
 
-pub trait GLWESecretAlloc
-where
-    Self: GetDegree,
-{
-    fn alloc_glwe_secret(&self, rank: Rank) -> GLWESecret<Vec<u8>> {
-        GLWESecret {
-            data: ScalarZnx::alloc(self.ring_degree().into(), rank.into()),
-            dist: Distribution::NONE,
-        }
-    }
-
-    fn alloc_glwe_secret_from_infos<A>(&self, infos: &A) -> GLWESecret<Vec<u8>>
-    where
-        A: GLWEInfos,
-    {
-        self.alloc_glwe_secret(infos.rank())
-    }
-
-    fn bytes_of_glwe_secret(&self, rank: Rank) -> usize {
-        ScalarZnx::bytes_of(self.ring_degree().into(), rank.into())
-    }
-
-    fn bytes_of_glwe_secret_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: GLWEInfos,
-    {
-        self.bytes_of_glwe_secret(infos.rank())
-    }
-}
-
-impl<B: Backend> GLWESecretAlloc for Module<B> where Self: GetDegree {}
-
 impl GLWESecret<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GLWEInfos,
-        M: GLWESecretAlloc,
     {
-        module.alloc_glwe_secret_from_infos(infos)
+        Self::alloc(infos.n(), infos.rank())
     }
 
-    pub fn alloc<M>(module: &M, rank: Rank) -> Self
-    where
-        M: GLWESecretAlloc,
-    {
-        module.alloc_glwe_secret(rank)
+    pub fn alloc(n: Degree, rank: Rank) -> Self {
+        GLWESecret {
+            data: ScalarZnx::alloc(n.into(), rank.into()),
+            dist: Distribution::NONE,
+        }
     }
 
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GLWEInfos,
-        M: GLWESecretAlloc,
     {
-        module.bytes_of_glwe_secret_from_infos(infos)
+        Self::bytes_of(infos.n(), infos.rank())
     }
 
-    pub fn bytes_of<M>(module: &M, rank: Rank) -> usize
-    where
-        M: GLWESecretAlloc,
-    {
-        module.bytes_of_glwe_secret(rank)
+    pub fn bytes_of(n: Degree, rank: Rank) -> usize {
+        ScalarZnx::bytes_of(n.into(), rank.into())
     }
 }
 

@@ -1,11 +1,11 @@
 use poulpy_hal::{
-    layouts::{Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, WriterTo},
+    layouts::{Data, DataMut, DataRef, FillUniform, ReaderFrom, WriterTo},
     source::Source,
 };
 
 use crate::layouts::{
-    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyAlloc, GLWESwitchingKeyToMut,
-    GLWESwitchingKeyToRef, LWEInfos, Rank, TorusPrecision,
+    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyToMut, GLWESwitchingKeyToRef, LWEInfos,
+    Rank, TorusPrecision,
 };
 
 use std::fmt;
@@ -132,21 +132,8 @@ self.0.write_to(writer)
     }
 }
 
-pub trait GLWEToLWESwitchingKeyAlloc
-where
-    Self: GLWESwitchingKeyAlloc,
-{
-    fn alloc_glwe_to_lwe_switching_key(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_in: Rank,
-        dnum: Dnum,
-    ) -> GLWEToLWESwitchingKey<Vec<u8>> {
-        GLWEToLWESwitchingKey(self.alloc_glwe_switching_key(base2k, k, rank_in, Rank(1), dnum, Dsize(1)))
-    }
-
-    fn alloc_glwe_to_lwe_switching_key_from_infos<A>(&self, infos: &A) -> GLWEToLWESwitchingKey<Vec<u8>>
+impl GLWEToLWESwitchingKey<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
@@ -160,14 +147,28 @@ infos.dsize().0,
             1,
             "dsize > 1 is not supported for GLWEToLWESwitchingKey"
         );
-        self.alloc_glwe_to_lwe_switching_key(infos.base2k(), infos.k(), infos.rank_in(), infos.dnum())
+        Self::alloc(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank_in(),
+            infos.dnum(),
+        )
     }
 
-    fn bytes_of_glwe_to_lwe_switching_key(&self, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum) -> usize {
-        self.bytes_of_glwe_switching_key(base2k, k, rank_in, Rank(1), dnum, Dsize(1))
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum) -> Self {
+        GLWEToLWESwitchingKey(GLWESwitchingKey::alloc(
+            n,
+            base2k,
+            k,
+            rank_in,
+            Rank(1),
+            dnum,
+            Dsize(1),
+        ))
     }
 
-    fn bytes_of_glwe_to_lwe_switching_key_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
@@ -181,41 +182,17 @@ infos.dsize().0,
             1,
             "dsize > 1 is not supported for GLWEToLWESwitchingKey"
         );
-        self.bytes_of_glwe_to_lwe_switching_key(infos.base2k(), infos.k(), infos.rank_in(), infos.dnum())
-    }
-}
-
-impl<B: Backend> GLWEToLWESwitchingKeyAlloc for Module<B> where Self: GLWESwitchingKeyAlloc {}
-
-impl GLWEToLWESwitchingKey<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: GLWEToLWESwitchingKeyAlloc,
-    {
-        module.alloc_glwe_to_lwe_switching_key_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum) -> Self
-    where
-        M: GLWEToLWESwitchingKeyAlloc,
-    {
-        module.alloc_glwe_to_lwe_switching_key(base2k, k, rank_in, dnum)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: GLWEToLWESwitchingKeyAlloc,
-    {
-        module.bytes_of_glwe_to_lwe_switching_key_from_infos(infos)
+        Self::bytes_of(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank_in(),
+            infos.dnum(),
+        )
     }
 
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum) -> usize
-    where
-        M: GLWEToLWESwitchingKeyAlloc,
-    {
-        module.bytes_of_glwe_to_lwe_switching_key(base2k, k, rank_in, dnum)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank_in: Rank, dnum: Dnum) -> usize {
+        GLWESwitchingKey::bytes_of(n, base2k, k, rank_in, Rank(1), dnum, Dsize(1))
     }
 }
 

@@ -1,7 +1,7 @@
 use std::fmt;
 
 use poulpy_hal::{
-    layouts::{Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, WriterTo, Zn, ZnToMut, ZnToRef, ZnxInfos},
+    layouts::{Data, DataMut, DataRef, FillUniform, ReaderFrom, WriterTo, Zn, ZnToMut, ZnToRef, ZnxInfos},
     source::Source,
 };
 
@@ -125,65 +125,31 @@ self.data.fill_uniform(log_bound, source);
     }
 }
 
-pub trait LWEAlloc {
-    fn alloc_lwe(&self, n: Degree, base2k: Base2K, k: TorusPrecision) -> LWE<Vec<u8>> {
-        LWE {
-            data: Zn::alloc((n + 1).into(), 1, k.0.div_ceil(base2k.0) as usize),
-            k,
-            base2k,
-        }
-    }
-
-    fn alloc_lwe_from_infos<A>(&self, infos: &A) -> LWE<Vec<u8>>
-    where
-        A: LWEInfos,
-    {
-        self.alloc_lwe(infos.n(), infos.base2k(), infos.k())
-    }
-
-    fn bytes_of_lwe(&self, n: Degree, base2k: Base2K, k: TorusPrecision) -> usize {
-        Zn::bytes_of((n + 1).into(), 1, k.0.div_ceil(base2k.0) as usize)
-    }
-
-    fn bytes_of_lwe_from_infos<A>(&self, infos: &A) -> usize
-    where
-        A: LWEInfos,
-    {
-        self.bytes_of_lwe(infos.n(), infos.base2k(), infos.k())
-    }
-}
-
-impl<B: Backend> LWEAlloc for Module<B> {}
-
 impl LWE<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: LWEInfos,
-        M: LWEAlloc,
     {
-        module.alloc_lwe_from_infos(infos)
+        Self::alloc(infos.n(), infos.base2k(), infos.k())
     }
 
-    pub fn alloc<M>(module: &M, n: Degree, base2k: Base2K, k: TorusPrecision) -> Self
-    where
-        M: LWEAlloc,
-    {
-        module.alloc_lwe(n, base2k, k)
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision) -> Self {
+        LWE {
+            data: Zn::alloc((n + 1).into(), 1, k.0.div_ceil(base2k.0) as usize),
+            k,
+            base2k,
+        }
     }
 
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: LWEInfos,
-        M: LWEAlloc,
     {
-        module.bytes_of_lwe_from_infos(infos)
+        Self::bytes_of(infos.n(), infos.base2k(), infos.k())
     }
 
-    pub fn bytes_of<M>(module: &M, n: Degree, base2k: Base2K, k: TorusPrecision) -> usize
-    where
-        M: LWEAlloc,
-    {
-        module.bytes_of_lwe(n, base2k, k)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision) -> usize {
+        Zn::bytes_of((n + 1).into(), 1, k.0.div_ceil(base2k.0) as usize)
     }
 }
 

@@ -1,13 +1,13 @@
 use std::fmt;
 
 use poulpy_hal::{
-    layouts::{Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, WriterTo},
+    layouts::{Data, DataMut, DataRef, FillUniform, ReaderFrom, WriterTo},
     source::Source,
 };
 
 use crate::layouts::{
-    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyAlloc, GLWESwitchingKeyToMut,
-    GLWESwitchingKeyToRef, LWEInfos, Rank, TorusPrecision,
+    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyToMut, GLWESwitchingKeyToRef, LWEInfos,
+    Rank, TorusPrecision,
 };
 
 #[derive(PartialEq, Eq, Copy, Clone, Debug)]
@@ -101,15 +101,8 @@ self.0.dnum()
     }
 }
 
-pub trait LWESwitchingKeyAlloc
-where
-    Self: GLWESwitchingKeyAlloc,
-{
-    fn alloc_lwe_switching_key(&self, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> LWESwitchingKey<Vec<u8>> {
-        LWESwitchingKey(self.alloc_glwe_switching_key(base2k, k, Rank(1), Rank(1), dnum, Dsize(1)))
-    }
-
-    fn alloc_lwe_switching_key_from_infos<A>(&self, infos: &A) -> LWESwitchingKey<Vec<u8>>
+impl LWESwitchingKey<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
@@ -128,14 +121,22 @@ infos.rank_out().0,
             1,
             "rank_out > 1 is not supported for LWESwitchingKey"
         );
-        self.alloc_lwe_switching_key(infos.base2k(), infos.k(), infos.dnum())
+        Self::alloc(infos.n(), infos.base2k(), infos.k(), infos.dnum())
     }
 
-    fn bytes_of_lwe_switching_key(&self, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize {
-        self.bytes_of_glwe_switching_key(base2k, k, Rank(1), Rank(1), dnum, Dsize(1))
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> Self {
+        LWESwitchingKey(GLWESwitchingKey::alloc(
+            n,
+            base2k,
+            k,
+            Rank(1),
+            Rank(1),
+            dnum,
+            Dsize(1),
+        ))
     }
 
-    fn bytes_of_lwe_switching_key_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
@@ -154,41 +155,11 @@ infos.rank_out().0,
             1,
             "rank_out > 1 is not supported for LWESwitchingKey"
         );
-        self.bytes_of_lwe_switching_key(infos.base2k(), infos.k(), infos.dnum())
+        Self::bytes_of(infos.n(), infos.base2k(), infos.k(), infos.dnum())
     }
-}
 
-impl<B: Backend> LWESwitchingKeyAlloc for Module<B> where Self: GLWESwitchingKeyAlloc {}
-
-impl LWESwitchingKey<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: LWESwitchingKeyAlloc,
-    {
-        module.alloc_lwe_switching_key_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> Self
-    where
-        M: LWESwitchingKeyAlloc,
-    {
-        module.alloc_lwe_switching_key(base2k, k, dnum)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: LWESwitchingKeyAlloc,
-    {
-        module.bytes_of_glwe_switching_key_from_infos(infos)
-    }
-
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize
-    where
-        M: LWESwitchingKeyAlloc,
-    {
-        module.bytes_of_lwe_switching_key(base2k, k, dnum)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize {
+        GLWESwitchingKey::bytes_of(n, base2k, k, Rank(1), Rank(1), dnum, Dsize(1))
     }
 }
 

@@ -1,6 +1,6 @@
 use std::fmt;
 
-use poulpy_hal::layouts::{Backend, Data, DataMut, DataRef, Module, Zn, ZnToMut, ZnToRef, ZnxInfos};
+use poulpy_hal::layouts::{Data, DataMut, DataRef, Zn, ZnToMut, ZnToRef, ZnxInfos};
 
 use crate::layouts::{Base2K, Degree, LWEInfos, TorusPrecision};
 
@@ -52,39 +52,20 @@ self.data.size()
     }
 }
 
-pub trait LWEPlaintextAlloc {
-    fn alloc_lwe_plaintext(&self, base2k: Base2K, k: TorusPrecision) -> LWEPlaintext<Vec<u8>> {
-        LWEPlaintext {
-            data: Zn::alloc(1, 1, k.0.div_ceil(base2k.0) as usize),
-            k,
-            base2k,
-        }
-    }
-
-    fn alloc_lwe_plaintext_from_infos<A>(&self, infos: &A) -> LWEPlaintext<Vec<u8>>
-    where
-        A: LWEInfos,
-    {
-        self.alloc_lwe_plaintext(infos.base2k(), infos.k())
-    }
-}
-
-impl<B: Backend> LWEPlaintextAlloc for Module<B> {}
-
 impl LWEPlaintext<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: LWEInfos,
-        M: LWEPlaintextAlloc,
     {
-        module.alloc_lwe_plaintext_from_infos(infos)
+        Self::alloc(infos.base2k(), infos.k())
     }
 
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision) -> Self
-    where
-        M: LWEPlaintextAlloc,
-    {
-        module.alloc_lwe_plaintext(base2k, k)
+    pub fn alloc(base2k: Base2K, k: TorusPrecision) -> Self {
+        LWEPlaintext {
+            data: Zn::alloc(1, 1, k.0.div_ceil(base2k.0) as usize),
+            k,
+            base2k,
+        }
     }
 }
 

@@ -1,5 +1,5 @@
 use poulpy_hal::{
-    layouts::{Backend, Data, DataMut, DataRef, Module, ScalarZnx, ScalarZnxToMut, ScalarZnxToRef, ZnxInfos, ZnxView, ZnxZero},
+    layouts::{Data, DataMut, DataRef, ScalarZnx, ScalarZnxToMut, ScalarZnxToRef, ZnxInfos, ZnxView, ZnxZero},
     source::Source,
 };
 
@@ -13,23 +13,12 @@ pub(crate) data: ScalarZnx<D>,
     pub(crate) dist: Distribution,
 }
 
-pub trait LWESecretAlloc {
-    fn alloc_lwe_secret(&self, n: Degree) -> LWESecret<Vec<u8>> {
+impl LWESecret<Vec<u8>> {
+    pub fn alloc(n: Degree) -> Self {
         LWESecret {
             data: ScalarZnx::alloc(n.into(), 1),
             dist: Distribution::NONE,
         }
-    }
-}
-
-impl<B: Backend> LWESecretAlloc for Module<B> {}
-
-impl LWESecret<Vec<u8>> {
-    pub fn alloc<M>(module: &M, n: Degree) -> Self
-    where
-        M: LWESecretAlloc,
-    {
-        module.alloc_lwe_secret(n)
     }
 }
 

@@ -1,13 +1,13 @@
 use std::fmt;
 
 use poulpy_hal::{
-    layouts::{Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, WriterTo},
+    layouts::{Data, DataMut, DataRef, FillUniform, ReaderFrom, WriterTo},
     source::Source,
 };
 
 use crate::layouts::{
-    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyAlloc, GLWESwitchingKeyToMut,
-    GLWESwitchingKeyToRef, LWEInfos, Rank, TorusPrecision,
+    Base2K, Degree, Dnum, Dsize, GGLWEInfos, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyToMut, GLWESwitchingKeyToRef, LWEInfos,
+    Rank, TorusPrecision,
 };
 
 #[derive(PartialEq, Eq, Copy, Clone, Debug)]
@@ -131,21 +131,8 @@ self.0.write_to(writer)
     }
 }
 
-pub trait LWEToGLWESwitchingKeyAlloc
-where
-    Self: GLWESwitchingKeyAlloc,
-{
-    fn alloc_lwe_to_glwe_switching_key(
-        &self,
-        base2k: Base2K,
-        k: TorusPrecision,
-        rank_out: Rank,
-        dnum: Dnum,
-    ) -> LWEToGLWESwitchingKey<Vec<u8>> {
-        LWEToGLWESwitchingKey(self.alloc_glwe_switching_key(base2k, k, Rank(1), rank_out, dnum, Dsize(1)))
-    }
-
-    fn alloc_lwe_to_glwe_switching_key_from_infos<A>(&self, infos: &A) -> LWEToGLWESwitchingKey<Vec<u8>>
+impl LWEToGLWESwitchingKey<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
     where
         A: GGLWEInfos,
     {
@@ -160,14 +147,28 @@ 1,
             "dsize > 1 is not supported for LWEToGLWESwitchingKey"
         );
 
-        self.alloc_lwe_to_glwe_switching_key(infos.base2k(), infos.k(), infos.rank_out(), infos.dnum())
+        Self::alloc(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank_out(),
+            infos.dnum(),
+        )
     }
 
-    fn bytes_of_lwe_to_glwe_switching_key(&self, base2k: Base2K, k: TorusPrecision, rank_out: Rank, dnum: Dnum) -> usize {
-        self.bytes_of_glwe_switching_key(base2k, k, Rank(1), rank_out, dnum, Dsize(1))
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, rank_out: Rank, dnum: Dnum) -> Self {
+        LWEToGLWESwitchingKey(GLWESwitchingKey::alloc(
+            n,
+            base2k,
+            k,
+            Rank(1),
+            rank_out,
+            dnum,
+            Dsize(1),
+        ))
     }
 
-    fn bytes_of_lwe_to_glwe_switching_key_from_infos<A>(&self, infos: &A) -> usize
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
     where
         A: GGLWEInfos,
     {
@@ -181,41 +182,17 @@ infos.dsize().0,
             1,
             "dsize > 1 is not supported for LWEToGLWESwitchingKey"
         );
-        self.bytes_of_lwe_to_glwe_switching_key(infos.base2k(), infos.k(), infos.rank_out(), infos.dnum())
-    }
-}
-
-impl<B: Backend> LWEToGLWESwitchingKeyAlloc for Module<B> where Self: GLWESwitchingKeyAlloc {}
-
-impl LWEToGLWESwitchingKey<Vec<u8>> {
-    pub fn alloc_from_infos<A, M>(module: &M, infos: &A) -> Self
-    where
-        A: GGLWEInfos,
-        M: LWEToGLWESwitchingKeyAlloc,
-    {
-        module.alloc_lwe_to_glwe_switching_key_from_infos(infos)
-    }
-
-    pub fn alloc<M>(module: &M, base2k: Base2K, k: TorusPrecision, rank_out: Rank, dnum: Dnum) -> Self
-    where
-        M: LWEToGLWESwitchingKeyAlloc,
-    {
-        module.alloc_lwe_to_glwe_switching_key(base2k, k, rank_out, dnum)
-    }
-
-    pub fn bytes_of_from_infos<A, M>(module: &M, infos: &A) -> usize
-    where
-        A: GGLWEInfos,
-        M: LWEToGLWESwitchingKeyAlloc,
-    {
-        module.bytes_of_lwe_to_glwe_switching_key_from_infos(infos)
+        Self::bytes_of(
+            infos.n(),
+            infos.base2k(),
+            infos.k(),
+            infos.rank_out(),
+            infos.dnum(),
+        )
     }
 
-    pub fn bytes_of<M>(module: &M, base2k: Base2K, k: TorusPrecision, dnum: Dnum, rank_out: Rank) -> usize
-    where
-        M: LWEToGLWESwitchingKeyAlloc,
-    {
-        module.bytes_of_lwe_to_glwe_switching_key(base2k, k, rank_out, dnum)
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, rank_out: Rank, dnum: Dnum) -> usize {
+        GLWESwitchingKey::bytes_of(n, base2k, k, Rank(1), rank_out, dnum, Dsize(1))
     }
 }
 

@@ -1,31 +1,21 @@
 use poulpy_hal::{
     api::{ScratchAvailable, ScratchOwnedAlloc, ScratchOwnedBorrow, ScratchTakeBasic, VecZnxFillUniform, VecZnxSubScalarInplace},
-    layouts::{Backend, DataRef, Module, ScalarZnx, ScalarZnxToRef, Scratch, ScratchOwned, ZnxZero},
+    layouts::{Backend, DataRef, Module, ScalarZnxToRef, Scratch, ScratchOwned, ZnxZero},
 };
 
 use crate::decryption::GLWEDecrypt;
-use crate::layouts::{
-    GGLWE, GGLWEInfos, GGLWEToRef, GLWEPlaintext, LWEInfos,
-    prepared::{GLWESecretPrepared, GLWESecretPreparedToRef},
-};
+use crate::layouts::{GGLWE, GGLWEInfos, GGLWEToRef, GLWEPlaintext, LWEInfos, prepared::GLWESecretPreparedToRef};
 
 impl<D: DataRef> GGLWE<D> {
-    pub fn assert_noise<M, DataSk, DataWant, BE: Backend>(
-        &self,
-        module: &M,
-        sk_prepared: &GLWESecretPrepared<DataSk, BE>,
-        pt_want: &ScalarZnx<DataWant>,
-        max_noise: f64,
-    ) where
-        DataSk: DataRef,
-        DataWant: DataRef,
+    pub fn assert_noise<M, S, P, BE: Backend>(&self, module: &M, sk_prepared: &S, pt_want: &P, max_noise: f64)
+    where
+        S: GLWESecretPreparedToRef<BE>,
+        P: ScalarZnxToRef,
         M: GGLWENoise<BE>,
         Scratch<BE>: ScratchTakeBasic,
     {
         module.gglwe_assert_noise(self, sk_prepared, pt_want, max_noise);
     }
-
-
 }
 
 pub trait GGLWENoise<BE: Backend> {
@@ -34,7 +24,7 @@ where
         R: GGLWEToRef,
         S: GLWESecretPreparedToRef<BE>,
         P: ScalarZnxToRef,
-        Scratch<BE>: ScratchTakeBasic;    
+        Scratch<BE>: ScratchTakeBasic;
 }
 
 impl<BE: Backend> GGLWENoise<BE> for Module<BE>
@@ -49,7 +39,7 @@ R: GGLWEToRef,
         S: GLWESecretPreparedToRef<BE>,
         P: ScalarZnxToRef,
         ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
-        Scratch<BE>: ScratchAvailable + ScratchTakeBasic,        
+        Scratch<BE>: ScratchAvailable + ScratchTakeBasic,
     {
         let res: &GGLWE<&[u8]> = &res.to_ref();
 
@@ -57,7 +47,7 @@ let dsize: usize = res.dsize().into();
         let base2k: usize = res.base2k().into();
 
         let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(self.glwe_decrypt_tmp_bytes(res));
-        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(self, res);
+        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
 
         (0..res.rank_in().into()).for_each(|col_i| {
             (0..res.dnum().into()).for_each(|row_i| {

@@ -1,12 +1,9 @@
 use poulpy_hal::{
     api::{
-        ScratchOwnedAlloc, ScratchOwnedBorrow, ScratchTakeBasic, SvpApplyDftToDftInplace, VecZnxAddScalarInplace,
-        VecZnxBigAddInplace, VecZnxBigAddSmallInplace, VecZnxBigAlloc, VecZnxBigBytesOf, VecZnxBigNormalize,
-        VecZnxBigNormalizeTmpBytes, VecZnxDftAlloc, VecZnxDftApply, VecZnxDftBytesOf, VecZnxIdftApplyConsume,
-        VecZnxIdftApplyTmpA, VecZnxNormalizeTmpBytes, VecZnxSubInplace,
+        ScratchOwnedAlloc, ScratchOwnedBorrow, ScratchTakeBasic, SvpApplyDftToDftInplace, VecZnxAddScalarInplace, VecZnxBigAlloc,
+        VecZnxBigNormalize, VecZnxDftAlloc, VecZnxDftApply, VecZnxIdftApplyTmpA, VecZnxNormalizeTmpBytes, VecZnxSubInplace,
     },
-    layouts::{Backend, DataRef, Module, ScalarZnx, ScalarZnxToRef, Scratch, ScratchOwned, VecZnxBig, VecZnxDft, ZnxZero},
-    oep::{ScratchOwnedAllocImpl, ScratchOwnedBorrowImpl},
+    layouts::{Backend, DataRef, Module, ScalarZnxToRef, Scratch, ScratchOwned, VecZnxBig, VecZnxDft, ZnxZero},
 };
 
 use crate::decryption::GLWEDecrypt;
@@ -14,32 +11,21 @@ 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, DataSk, DataScalar, F>(
-        &self,
-        module: &M,
-        sk_prepared: &GLWESecretPrepared<DataSk, BE>,
-        pt_want: &ScalarZnx<DataScalar>,
-        max_noise: F,
-    ) where
-        DataSk: DataRef,
-        DataScalar: DataRef,
+    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,
         M: GGSWNoise<BE>,
-        BE: Backend + ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE> + ScratchOwnedBorrow<BE>,
         F: Fn(usize) -> f64,
     {
         module.ggsw_assert_noise(self, sk_prepared, pt_want, max_noise);
     }
 
-    pub fn print_noise<M, BE, DataSk, DataScalar>(
-        &self,
-        module: &M,
-        sk_prepared: &GLWESecretPrepared<DataSk, BE>,
-        pt_want: &ScalarZnx<DataScalar>,
-    ) where
-        DataSk: DataRef,
-        DataScalar: DataRef,
+    pub fn print_noise<M, BE: Backend, P, S>(&self, module: &M, sk_prepared: &S, pt_want: &P)
+    where
+        S: GLWESecretPreparedToRef<BE>,
+        P: ScalarZnxToRef,
         M: GGSWNoise<BE>,
-        BE: Backend + ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE> + ScratchOwnedBorrow<BE>,
     {
         module.ggsw_print_noise(self, sk_prepared, pt_want);
     }
@@ -51,43 +37,31 @@ where
         R: GGSWToRef,
         S: GLWESecretPreparedToRef<BE>,
         P: ScalarZnxToRef,
-        BE: ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE> + ScratchOwnedBorrow<BE>,
         F: Fn(usize) -> f64;
 
     fn ggsw_print_noise<R, S, P>(&self, res: &R, sk_prepared: &S, pt_want: &P)
     where
         R: GGSWToRef,
         S: GLWESecretPreparedToRef<BE>,
-        P: ScalarZnxToRef,
-        BE: ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE> + ScratchOwnedBorrow<BE>;
+        P: ScalarZnxToRef;
 }
 
 impl<BE: Backend> GGSWNoise<BE> for Module<BE>
 where
-    Module<BE>: VecZnxDftBytesOf
-        + VecZnxBigBytesOf
-        + VecZnxDftApply<BE>
-        + SvpApplyDftToDftInplace<BE>
-        + VecZnxIdftApplyConsume<BE>
-        + VecZnxBigAddInplace<BE>
-        + VecZnxBigAddSmallInplace<BE>
-        + VecZnxBigNormalize<BE>
-        + VecZnxNormalizeTmpBytes
+    Module<BE>: GLWEDecrypt<BE>
+        + VecZnxDftAlloc<BE>
         + VecZnxBigAlloc<BE>
-        + VecZnxDftAlloc<BE>
-        + VecZnxBigNormalizeTmpBytes
+        + VecZnxAddScalarInplace
         + VecZnxIdftApplyTmpA<BE>
-        + VecZnxAddScalarInplace
-        + VecZnxSubInplace
-        + GLWEDecrypt<BE>,
+        + 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)
     where
         R: GGSWToRef,
         S: GLWESecretPreparedToRef<BE>,
         P: ScalarZnxToRef,
-        BE: ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE> + ScratchOwnedBorrow<BE>,
         F: Fn(usize) -> f64,
     {
         let res: &GGSW<&[u8]> = &res.to_ref();
@@ -96,8 +70,8 @@
         let base2k: usize = res.base2k().into();
         let dsize: usize = res.dsize().into();
 
-        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(self, res);
-        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(self, res);
+        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
+        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
         let mut pt_dft: VecZnxDft<Vec<u8>, BE> = self.vec_znx_dft_alloc(1, res.size());
         let mut pt_big: VecZnxBig<Vec<u8>, BE> = self.vec_znx_big_alloc(1, res.size());
 
@@ -147,7 +121,6 @@ where
         R: GGSWToRef,
         S: GLWESecretPreparedToRef<BE>,
         P: ScalarZnxToRef,
-        BE: ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE> + ScratchOwnedBorrow<BE>,
     {
         let res: &GGSW<&[u8]> = &res.to_ref();
         let sk_prepared: &GLWESecretPrepared<&[u8], BE> = &sk_prepared.to_ref();
@@ -155,16 +128,16 @@
         let base2k: usize = res.base2k().into();
         let dsize: usize = res.dsize().into();
 
-        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(self, res);
-        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(self, res);
+        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
+        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
         let mut pt_dft: VecZnxDft<Vec<u8>, BE> = self.vec_znx_dft_alloc(1, res.size());
         let mut pt_big: VecZnxBig<Vec<u8>, BE> = self.vec_znx_big_alloc(1, res.size());
 
         let mut scratch: ScratchOwned<BE> =
             ScratchOwned::alloc(self.glwe_decrypt_tmp_bytes(res) | self.vec_znx_normalize_tmp_bytes());
 
-        (0..(res.rank() + 1).into()).for_each(|col_j| {
-            (0..res.dnum().into()).for_each(|row_i| {
+        for col_j in 0..(res.rank() + 1).into() {
+            for row_i in 0..res.dnum().into() {
                 self.vec_znx_add_scalar_inplace(&mut pt.data, 0, (dsize - 1) + row_i * dsize, pt_want, 0);
 
                 // mul with sk[col_j-1]
@@ -194,7 +167,7 @@
                 let std_pt: f64 = pt_have.data.std(base2k, 0).log2();
                 println!("col: {col_j} row: {row_i}: {std_pt}");
                 pt.data.zero();
-            });
-        });
+            }
+        }
     }
 }

@@ -1,19 +1,12 @@
 use poulpy_hal::{
-    api::{
-        ScratchOwnedAlloc, ScratchOwnedBorrow, ScratchTakeBasic, SvpApplyDftToDftInplace, VecZnxBigAddInplace,
-        VecZnxBigAddSmallInplace, VecZnxBigBytesOf, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf, VecZnxIdftApplyConsume,
-        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSubInplace,
-    },
+    api::{ScratchOwnedAlloc, ScratchOwnedBorrow, VecZnxNormalizeInplace, VecZnxSubInplace},
     layouts::{Backend, DataRef, Module, Scratch, ScratchOwned},
-    oep::{ScratchOwnedAllocImpl, ScratchOwnedBorrowImpl},
 };
 
 use crate::{
+    ScratchTakeCore,
     decryption::GLWEDecrypt,
-    layouts::{
-        GLWE, GLWEPlaintext, GLWEPlaintextToRef, GLWEToRef, LWEInfos,
-        prepared::{GLWESecretPrepared, GLWESecretPreparedToRef},
-    },
+    layouts::{GLWE, GLWEPlaintext, GLWEPlaintextToRef, GLWEToRef, LWEInfos, prepared::GLWESecretPreparedToRef},
 };
 
 impl<D: DataRef> GLWE<D> {
@@ -25,75 +18,15 @@ P: GLWEPlaintextToRef,
     {
         module.glwe_noise(self, sk_prepared, pt_want, scratch)
     }
-    // pub fn noise<B, DataSk, DataPt>(
-    //     &self,
-    //     module: &Module<B>,
-    //     sk_prepared: &GLWESecretPrepared<DataSk, B>,
-    //     pt_want: &GLWEPlaintext<DataPt>,
-    //     scratch: &mut Scratch<B>,
-    // ) -> f64
-    // where
-    //     DataSk: DataRef,
-    //     DataPt: DataRef,
-    //     B: Backend,
-    //     Module<B>: VecZnxDftApply<B>
-    //         + VecZnxSubInplace
-    //         + VecZnxNormalizeInplace<B>
-    //         + SvpApplyDftToDftInplace<B>
-    //         + VecZnxIdftApplyConsume<B>
-    //         + VecZnxBigAddInplace<B>
-    //         + VecZnxBigAddSmallInplace<B>
-    //         + VecZnxBigNormalize<B>,
-    //     Scratch<B>:,
-    // {
-    //     let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, self);
-    //     self.decrypt(module, &mut pt_have, sk_prepared, scratch);
-    //     module.vec_znx_sub_inplace(&mut pt_have.data, 0, &pt_want.data, 0);
-    //     module.vec_znx_normalize_inplace(self.base2k().into(), &mut pt_have.data, 0, scratch);
-    //     pt_have.data.std(self.base2k().into(), 0).log2()
-    // }
 
-    pub fn assert_noise<M, BE, DataSk, DataPt>(
-        &self,
-        module: &M,
-        sk_prepared: &GLWESecretPrepared<DataSk, BE>,
-        pt_want: &GLWEPlaintext<DataPt>,
-        max_noise: f64,
-    ) where
-        DataSk: DataRef,
-        DataPt: DataRef,
+    pub fn assert_noise<M, BE: Backend, S, P>(&self, module: &M, sk_prepared: &S, pt_want: &P, max_noise: f64)
+    where
+        S: GLWESecretPreparedToRef<BE>,
+        P: GLWEPlaintextToRef,
         M: GLWENoise<BE>,
-        BE: Backend + ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE> + ScratchOwnedBorrow<BE>,
     {
         module.glwe_assert_noise(self, sk_prepared, pt_want, max_noise);
     }
-
-    // pub fn assert_noise<B, DataSk, DataPt>(
-    //     &self,
-    //     module: &Module<B>,
-    //     sk_prepared: &GLWESecretPrepared<DataSk, B>,
-    //     pt_want: &GLWEPlaintext<DataPt>,
-    //     max_noise: f64,
-    // ) where
-    //     DataSk: DataRef,
-    //     DataPt: DataRef,
-    //     Module<B>: VecZnxDftBytesOf
-    //         + VecZnxBigBytesOf
-    //         + VecZnxDftApply<B>
-    //         + SvpApplyDftToDftInplace<B>
-    //         + VecZnxIdftApplyConsume<B>
-    //         + VecZnxBigAddInplace<B>
-    //         + VecZnxBigAddSmallInplace<B>
-    //         + VecZnxBigNormalize<B>
-    //         + VecZnxNormalizeTmpBytes
-    //         + VecZnxSubInplace
-    //         + VecZnxNormalizeInplace<B>,
-    //     B: Backend + ScratchOwnedAllocImpl<B> + ScratchOwnedBorrowImpl<B>,
-    // {
-    //     let mut scratch: ScratchOwned<B> = ScratchOwned::alloc(GLWE::decrypt_tmp_bytes(module, self));
-    //     let noise_have: f64 = self.noise(module, sk_prepared, pt_want, scratch.borrow());
-    //     assert!(noise_have <= max_noise, "{noise_have} {max_noise}");
-    // }
 }
 
 pub trait GLWENoise<BE: Backend> {
@@ -107,29 +40,14 @@ fn glwe_assert_noise<R, S, P>(&self, res: &R, sk_prepared: &S, pt_want: &P, max_noise: f64)
     where
         R: GLWEToRef,
         S: GLWESecretPreparedToRef<BE>,
-        P: GLWEPlaintextToRef,
-        BE: ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE> + ScratchOwnedBorrow<BE>;
+        P: GLWEPlaintextToRef;
 }
 
 impl<BE: Backend> GLWENoise<BE> for Module<BE>
 where
-    Module<BE>: VecZnxDftBytesOf
-        + VecZnxBigBytesOf
-        + VecZnxDftApply<BE>
-        + SvpApplyDftToDftInplace<BE>
-        + VecZnxIdftApplyConsume<BE>
-        + VecZnxBigAddInplace<BE>
-        + VecZnxBigAddSmallInplace<BE>
-        + VecZnxBigNormalize<BE>
-        + VecZnxNormalizeTmpBytes
-        + VecZnxSubInplace
-        + VecZnxNormalizeInplace<BE>
-        + GLWEDecrypt<BE>,
-    Scratch<BE>: ScratchTakeBasic
-        + ScratchOwnedAllocImpl<BE>
-        + ScratchOwnedBorrowImpl<BE>
-        + ScratchOwnedBorrowImpl<BE>
-        + ScratchOwnedBorrow<BE>,
+    Module<BE>: GLWEDecrypt<BE> + VecZnxSubInplace + VecZnxNormalizeInplace<BE>,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchTakeCore<BE>,
 {
     fn glwe_noise<R, S, P>(&self, res: &R, sk_prepared: &S, pt_want: &P, scratch: &mut Scratch<BE>) -> f64
     where
@@ -141,7 +59,7 @@ let res_ref: &GLWE<&[u8]> = &res.to_ref();
 
         let pt_want: &GLWEPlaintext<&[u8]> = &pt_want.to_ref();
 
-        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(self, res_ref);
+        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res_ref);
         self.glwe_decrypt(res, &mut pt_have, sk_prepared, scratch);
         self.vec_znx_sub_inplace(&mut pt_have.data, 0, &pt_want.data, 0);
         self.vec_znx_normalize_inplace(res_ref.base2k().into(), &mut pt_have.data, 0, scratch);
@@ -153,7 +71,6 @@ where
         R: GLWEToRef,
         S: GLWESecretPreparedToRef<BE>,
         P: GLWEPlaintextToRef,
-        BE: ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE> + ScratchOwnedBorrow<BE>,
     {
         let res: &GLWE<&[u8]> = &res.to_ref();
         let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(self.glwe_decrypt_tmp_bytes(res));

@@ -1,5 +1,4 @@
-use poulpy_backend::FFT64Ref;
-use poulpy_hal::{api::ModuleNew, layouts::Module, test_suite::serialization::test_reader_writer_interface};
+use poulpy_hal::test_suite::serialization::test_reader_writer_interface;
 
 use crate::layouts::{
     AutomorphismKey, Base2K, Degree, Dnum, Dsize, GGLWE, GGSW, GLWE, GLWESwitchingKey, GLWEToLWESwitchingKey, LWE,
@@ -21,143 +20,123 @@ const DSIZE: Dsize = Dsize(1);
 
 #[test]
 fn glwe_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: GLWE<Vec<u8>> = GLWE::alloc(&module, BASE2K, K, RANK);
+    let original: GLWE<Vec<u8>> = GLWE::alloc(N_GLWE, BASE2K, K, RANK);
     poulpy_hal::test_suite::serialization::test_reader_writer_interface(original);
 }
 
 #[test]
 fn glwe_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: GLWECompressed<Vec<u8>> = GLWECompressed::alloc(&module, BASE2K, K, RANK);
+    let original: GLWECompressed<Vec<u8>> = GLWECompressed::alloc(N_GLWE, BASE2K, K, RANK);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn lwe_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: LWE<Vec<u8>> = LWE::alloc(&module, N_LWE, BASE2K, K);
+    let original: LWE<Vec<u8>> = LWE::alloc(N_LWE, BASE2K, K);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn lwe_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: LWECompressed<Vec<u8>> = LWECompressed::alloc(&module, BASE2K, K);
+    let original: LWECompressed<Vec<u8>> = LWECompressed::alloc(BASE2K, K);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn test_gglwe_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: GGLWE<Vec<u8>> = GGLWE::alloc(&module, BASE2K, K, RANK, RANK, DNUM, DSIZE);
+    let original: GGLWE<Vec<u8>> = GGLWE::alloc(N_GLWE, BASE2K, K, RANK, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn test_gglwe_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: GGLWECompressed<Vec<u8>> = GGLWECompressed::alloc(&module, BASE2K, K, RANK, RANK, DNUM, DSIZE);
+    let original: GGLWECompressed<Vec<u8>> = GGLWECompressed::alloc(N_GLWE, BASE2K, K, RANK, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn test_glwe_switching_key_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: GLWESwitchingKey<Vec<u8>> = GLWESwitchingKey::alloc(&module, BASE2K, K, RANK, RANK, DNUM, DSIZE);
+    let original: GLWESwitchingKey<Vec<u8>> = GLWESwitchingKey::alloc(N_GLWE, BASE2K, K, RANK, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn test_glwe_switching_key_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
     let original: GLWESwitchingKeyCompressed<Vec<u8>> =
-        GLWESwitchingKeyCompressed::alloc(&module, BASE2K, K, RANK, RANK, DNUM, DSIZE);
+        GLWESwitchingKeyCompressed::alloc(N_GLWE, BASE2K, K, RANK, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn test_automorphism_key_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: AutomorphismKey<Vec<u8>> = AutomorphismKey::alloc_with(&module, BASE2K, K, RANK, DNUM, DSIZE);
+    let original: AutomorphismKey<Vec<u8>> = AutomorphismKey::alloc(N_GLWE, BASE2K, K, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn test_automorphism_key_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: AutomorphismKeyCompressed<Vec<u8>> = AutomorphismKeyCompressed::alloc(&module, BASE2K, K, RANK, DNUM, DSIZE);
+    let original: AutomorphismKeyCompressed<Vec<u8>> = AutomorphismKeyCompressed::alloc(N_GLWE, BASE2K, K, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn test_tensor_key_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: TensorKey<Vec<u8>> = TensorKey::alloc(&module, BASE2K, K, RANK, DNUM, DSIZE);
+    let original: TensorKey<Vec<u8>> = TensorKey::alloc(N_GLWE, BASE2K, K, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn test_tensor_key_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: TensorKeyCompressed<Vec<u8>> = TensorKeyCompressed::alloc(&module, BASE2K, K, RANK, DNUM, DSIZE);
+    let original: TensorKeyCompressed<Vec<u8>> = TensorKeyCompressed::alloc(N_GLWE, BASE2K, K, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn glwe_to_lwe_switching_key_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: GLWEToLWESwitchingKey<Vec<u8>> = GLWEToLWESwitchingKey::alloc(&module, BASE2K, K, RANK, DNUM);
+    let original: GLWEToLWESwitchingKey<Vec<u8>> = GLWEToLWESwitchingKey::alloc(N_GLWE, BASE2K, K, RANK, DNUM);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn glwe_to_lwe_switching_key_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
     let original: GLWEToLWESwitchingKeyCompressed<Vec<u8>> =
-        GLWEToLWESwitchingKeyCompressed::alloc(&module, BASE2K, K, RANK, DNUM);
+        GLWEToLWESwitchingKeyCompressed::alloc(N_GLWE, BASE2K, K, RANK, DNUM);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn lwe_to_glwe_switching_key_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: LWEToGLWESwitchingKey<Vec<u8>> = LWEToGLWESwitchingKey::alloc(&module, BASE2K, K, RANK, DNUM);
+    let original: LWEToGLWESwitchingKey<Vec<u8>> = LWEToGLWESwitchingKey::alloc(N_GLWE, BASE2K, K, RANK, DNUM);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn lwe_to_glwe_switching_key_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
     let original: LWEToGLWESwitchingKeyCompressed<Vec<u8>> =
-        LWEToGLWESwitchingKeyCompressed::alloc_with(&module, BASE2K, K, RANK, DNUM);
+        LWEToGLWESwitchingKeyCompressed::alloc(N_GLWE, BASE2K, K, RANK, DNUM);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn lwe_switching_key_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: LWESwitchingKey<Vec<u8>> = LWESwitchingKey::alloc(&module, BASE2K, K, DNUM);
+    let original: LWESwitchingKey<Vec<u8>> = LWESwitchingKey::alloc(N_GLWE, BASE2K, K, DNUM);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn lwe_switching_key_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: LWESwitchingKeyCompressed<Vec<u8>> = LWESwitchingKeyCompressed::alloc(&module, BASE2K, K, DNUM);
+    let original: LWESwitchingKeyCompressed<Vec<u8>> = LWESwitchingKeyCompressed::alloc(N_GLWE, BASE2K, K, DNUM);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn ggsw_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: GGSW<Vec<u8>> = GGSW::alloc(&module, BASE2K, K, RANK, DNUM, DSIZE);
+    let original: GGSW<Vec<u8>> = GGSW::alloc(N_GLWE, BASE2K, K, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }
 
 #[test]
 fn ggsw_compressed_serialization() {
-    let module: Module<FFT64Ref> = Module::<FFT64Ref>::new(N_GLWE.as_u32() as u64);
-    let original: GGSWCompressed<Vec<u8>> = GGSWCompressed::alloc(&module, BASE2K, K, RANK, DNUM, DSIZE);
+    let original: GGSWCompressed<Vec<u8>> = GGSWCompressed::alloc(N_GLWE, BASE2K, K, RANK, DNUM, DSIZE);
     test_reader_writer_interface(original);
 }

@@ -1,21 +1,17 @@
 use poulpy_hal::{
-    api::{
-        ScratchAvailable, ScratchOwnedAlloc, ScratchOwnedBorrow,
-        VecZnxAutomorphism,VecZnxFillUniform,
-    },
-    layouts::{Backend, Module, Scratch, ScratchOwned, GaloisElement},
+    api::{ScratchAvailable, ScratchOwnedAlloc, ScratchOwnedBorrow, VecZnxAutomorphism, VecZnxFillUniform},
+    layouts::{Backend, GaloisElement, Module, Scratch, ScratchOwned},
     source::Source,
 };
 
 use crate::{
+    GGLWEEncryptSk, GGLWEKeyswitch, GLWESwitchingKeyCompressedEncryptSk, GLWESwitchingKeyEncryptSk, ScratchTakeCore,
     encryption::SIGMA,
     layouts::{
-        compressed::AutomorphismKeyCompressed, prepared::GLWESecretPrepared,
-        AutomorphismKey, AutomorphismKeyDecompress, AutomorphismKeyLayout, GLWEInfos,
-        GLWESecret, GLWESecretPrepare, GLWESecretPreparedAlloc, GLWESwitchingKeyAlloc, GLWESwitchingKeyDecompress    
+        AutomorphismKey, AutomorphismKeyDecompress, AutomorphismKeyLayout, GLWEInfos, GLWESecret, GLWESecretPrepare,
+        GLWESecretPreparedAlloc, GLWESwitchingKeyDecompress, compressed::AutomorphismKeyCompressed, prepared::GLWESecretPrepared,
     },
     noise::GGLWENoise,
-    GGLWEEncryptSk, GGLWEKeyswitch, GLWESwitchingKeyCompressedEncryptSk, GLWESwitchingKeyEncryptSk, ScratchTakeCore
 };
 
 pub fn test_gglwe_automorphism_key_encrypt_sk<BE: Backend>(module: &Module<BE>)
@@ -24,7 +20,6 @@ Module<BE>: GGLWEEncryptSk<BE>
         + GGLWEKeyswitch<BE>
         + GLWESecretPreparedAlloc<BE>
         + GLWESecretPrepare<BE>
-        + GLWESwitchingKeyAlloc
         + GLWESwitchingKeyEncryptSk<BE>
         + GLWESwitchingKeyCompressedEncryptSk<BE>
         + GLWESwitchingKeyDecompress
@@ -32,7 +27,7 @@ + GGLWENoise<BE>
         + VecZnxFillUniform
         + VecZnxAutomorphism,
     ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
-    Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,        
+    Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
 {
     let base2k: usize = 12;
     let k_ksk: usize = 60;
@@ -51,17 +46,15 @@ dsize: di.into(),
                 rank: rank.into(),
             };
 
-            let mut atk: AutomorphismKey<Vec<u8>> = AutomorphismKey::alloc_from_infos(module, &atk_infos);
+            let mut atk: AutomorphismKey<Vec<u8>> = AutomorphismKey::alloc_from_infos(&atk_infos);
 
             let mut source_xs: Source = Source::new([0u8; 32]);
             let mut source_xe: Source = Source::new([0u8; 32]);
             let mut source_xa: Source = Source::new([0u8; 32]);
 
-            let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(AutomorphismKey::encrypt_sk_tmp_bytes(
-                module, &atk_infos,
-            ));
+            let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(AutomorphismKey::encrypt_sk_tmp_bytes(module, &atk_infos));
 
-            let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(module, &atk_infos);
+            let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&atk_infos);
             sk.fill_ternary_prob(0.5, &mut source_xs);
 
             let p = -5;
@@ -101,7 +94,6 @@ Module<BE>: GGLWEEncryptSk<BE>
         + GGLWEKeyswitch<BE>
         + GLWESecretPreparedAlloc<BE>
         + GLWESecretPrepare<BE>
-        + GLWESwitchingKeyAlloc
         + GLWESwitchingKeyEncryptSk<BE>
         + GLWESwitchingKeyCompressedEncryptSk<BE>
         + AutomorphismKeyDecompress
@@ -109,7 +101,7 @@ + VecZnxAutomorphism
         + VecZnxFillUniform
         + GGLWENoise<BE>,
     ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
-    Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,        
+    Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
 {
     let base2k: usize = 12;
     let k_ksk: usize = 60;
@@ -128,16 +120,14 @@ dsize: di.into(),
                 rank: rank.into(),
             };
 
-            let mut atk_compressed: AutomorphismKeyCompressed<Vec<u8>> = AutomorphismKeyCompressed::alloc_from_infos(module, &atk_infos);
+            let mut atk_compressed: AutomorphismKeyCompressed<Vec<u8>> = AutomorphismKeyCompressed::alloc_from_infos(&atk_infos);
 
             let mut source_xs: Source = Source::new([0u8; 32]);
             let mut source_xe: Source = Source::new([0u8; 32]);
 
-            let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(AutomorphismKey::encrypt_sk_tmp_bytes(
-                module, &atk_infos,
-            ));
+            let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(AutomorphismKey::encrypt_sk_tmp_bytes(module, &atk_infos));
 
-            let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(module, &atk_infos);
+            let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&atk_infos);
             sk.fill_ternary_prob(0.5, &mut source_xs);
 
             let p = -5;
@@ -159,7 +149,7 @@ });
             let mut sk_out_prepared: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc(module, sk_out.rank().into());
             sk_out_prepared.prepare(module, &sk_out);
 
-            let mut atk: AutomorphismKey<Vec<u8>> = AutomorphismKey::alloc_from_infos(module, &atk_infos);
+            let mut atk: AutomorphismKey<Vec<u8>> = AutomorphismKey::alloc_from_infos(&atk_infos);
             atk.decompress(module, &atk_compressed);
 
             atk.key

@@ -1,15 +1,19 @@
 use poulpy_hal::{
-    api::{
-        ScratchAvailable, ScratchOwnedAlloc, ScratchOwnedBorrow, VecZnxFillUniform,
-    },
+    api::{ScratchAvailable, ScratchOwnedAlloc, ScratchOwnedBorrow, VecZnxFillUniform},
     layouts::{Backend, Module, Scratch, ScratchOwned},
     source::Source,
 };
 
 use crate::{
-    decryption::GLWEDecrypt, encryption::SIGMA, layouts::{
-        prepared::{GGLWEPrepare, GGLWEPreparedAlloc, GLWESecretPrepared}, GGLWELayout, GLWESecret, GLWESecretPrepare, GLWESecretPreparedAlloc, GLWESwitchingKey, GLWESwitchingKeyAlloc, GLWESwitchingKeyCompressed, GLWESwitchingKeyDecompress
-    }, noise::GGLWENoise, GGLWEEncryptSk, GGLWEKeyswitch, GLWESwitchingKeyCompressedEncryptSk, GLWESwitchingKeyEncryptSk, ScratchTakeCore
+    GGLWEEncryptSk, GGLWEKeyswitch, GLWESwitchingKeyCompressedEncryptSk, GLWESwitchingKeyEncryptSk, ScratchTakeCore,
+    decryption::GLWEDecrypt,
+    encryption::SIGMA,
+    layouts::{
+        GGLWELayout, GLWESecret, GLWESecretPrepare, GLWESecretPreparedAlloc, GLWESwitchingKey, GLWESwitchingKeyCompressed,
+        GLWESwitchingKeyDecompress,
+        prepared::{GGLWEPrepare, GGLWEPreparedAlloc, GLWESecretPrepared},
+    },
+    noise::GGLWENoise,
 };
 
 pub fn test_gglwe_switching_key_encrypt_sk<BE: Backend>(module: &Module<BE>)
@@ -21,20 +25,19 @@ + GGLWEKeyswitch<BE>
         + GLWEDecrypt<BE>
         + GLWESecretPreparedAlloc<BE>
         + GLWESecretPrepare<BE>
-        + GLWESwitchingKeyAlloc
         + GLWESwitchingKeyEncryptSk<BE>
         + VecZnxFillUniform
         + GGLWENoise<BE>,
     ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
     Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
 {
+    let n = module.n();
     let base2k: usize = 12;
     let k_ksk: usize = 54;
     let dsize: usize = k_ksk / base2k;
     for rank_in in 1_usize..3 {
         for rank_out in 1_usize..3 {
             for di in 1_usize..dsize + 1 {
-                let n: usize = module.n();
                 let dnum: usize = (k_ksk - di * base2k) / (di * base2k);
 
                 let gglwe_infos: GGLWELayout = GGLWELayout {
@@ -47,21 +50,19 @@ rank_in: rank_in.into(),
                     rank_out: rank_out.into(),
                 };
 
-                let mut ksk: GLWESwitchingKey<Vec<u8>> = GLWESwitchingKey::alloc_from_infos(module, &gglwe_infos);
+                let mut ksk: GLWESwitchingKey<Vec<u8>> = GLWESwitchingKey::alloc_from_infos(&gglwe_infos);
 
                 let mut source_xs: Source = Source::new([0u8; 32]);
                 let mut source_xe: Source = Source::new([0u8; 32]);
                 let mut source_xa: Source = Source::new([0u8; 32]);
 
-                let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(GLWESwitchingKey::encrypt_sk_tmp_bytes(
-                    module,
-                    &gglwe_infos,
-                ));
+                let mut scratch: ScratchOwned<BE> =
+                    ScratchOwned::alloc(GLWESwitchingKey::encrypt_sk_tmp_bytes(module, &gglwe_infos));
 
-                let mut sk_in: GLWESecret<Vec<u8>> = GLWESecret::alloc(module, rank_in.into());
+                let mut sk_in: GLWESecret<Vec<u8>> = GLWESecret::alloc(n.into(), rank_in.into());
                 sk_in.fill_ternary_prob(0.5, &mut source_xs);
 
-                let mut sk_out: GLWESecret<Vec<u8>> = GLWESecret::alloc(module, rank_out.into());
+                let mut sk_out: GLWESecret<Vec<u8>> = GLWESecret::alloc(n.into(), rank_out.into());
                 sk_out.fill_ternary_prob(0.5, &mut source_xs);
                 let mut sk_out_prepared: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc(module, rank_out.into());
                 sk_out_prepared.prepare(module, &sk_out);
@@ -91,7 +92,6 @@ + GGLWEKeyswitch<BE>
         + GLWEDecrypt<BE>
         + GLWESecretPreparedAlloc<BE>
         + GLWESecretPrepare<BE>
-        + GLWESwitchingKeyAlloc
         + GLWESwitchingKeyEncryptSk<BE>
         + GLWESwitchingKeyCompressedEncryptSk<BE>
         + GLWESwitchingKeyDecompress
@@ -100,13 +100,13 @@ + VecZnxFillUniform,
     ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
     Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
 {
+    let n: usize = module.n();
     let base2k: usize = 12;
     let k_ksk: usize = 54;
     let dsize: usize = k_ksk / base2k;
     for rank_in in 1_usize..3 {
         for rank_out in 1_usize..3 {
             for di in 1_usize..dsize + 1 {
-                let n: usize = module.n();
                 let dnum: usize = (k_ksk - di * base2k) / (di * base2k);
 
                 let gglwe_infos: GGLWELayout = GGLWELayout {
@@ -120,7 +120,7 @@ rank_out: rank_out.into(),
                 };
 
                 let mut ksk_compressed: GLWESwitchingKeyCompressed<Vec<u8>> =
-                    GLWESwitchingKeyCompressed::alloc_from_infos(module, &gglwe_infos);
+                    GLWESwitchingKeyCompressed::alloc_from_infos(&gglwe_infos);
 
                 let mut source_xs: Source = Source::new([0u8; 32]);
                 let mut source_xe: Source = Source::new([0u8; 32]);
@@ -130,10 +130,10 @@ module,
                     &gglwe_infos,
                 ));
 
-                let mut sk_in: GLWESecret<Vec<u8>> = GLWESecret::alloc(module, rank_in.into());
+                let mut sk_in: GLWESecret<Vec<u8>> = GLWESecret::alloc(n.into(), rank_in.into());
                 sk_in.fill_ternary_prob(0.5, &mut source_xs);
 
-                let mut sk_out: GLWESecret<Vec<u8>> = GLWESecret::alloc(module, rank_out.into());
+                let mut sk_out: GLWESecret<Vec<u8>> = GLWESecret::alloc(n.into(), rank_out.into());
                 sk_out.fill_ternary_prob(0.5, &mut source_xs);
                 let mut sk_out_prepared: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc(module, rank_out.into());
                 sk_out_prepared.prepare(module, &sk_out);
@@ -149,7 +149,7 @@ &mut source_xe,
                     scratch.borrow(),
                 );
 
-                let mut ksk: GLWESwitchingKey<Vec<u8>> = GLWESwitchingKey::alloc_from_infos(module, &gglwe_infos);
+                let mut ksk: GLWESwitchingKey<Vec<u8>> = GLWESwitchingKey::alloc_from_infos(&gglwe_infos);
                 ksk.decompress(module, &ksk_compressed);
 
                 ksk.key

@@ -9,8 +9,8 @@ GLWECompressedEncryptSk, GLWEEncryptPk, GLWEEncryptSk, GLWEPublicKeyGenerate, GLWESub, ScratchTakeCore,
     decryption::GLWEDecrypt,
     encryption::SIGMA,
     layouts::{
-        GLWE, GLWEAlloc, GLWELayout, GLWEPlaintext, GLWEPlaintextLayout, GLWEPublicKey, GLWEPublicKeyPrepare,
-        GLWEPublicKeyPreparedAlloc, GLWESecret, GLWESecretPrepare, GLWESecretPreparedAlloc, LWEInfos,
+        GLWE, GLWELayout, GLWEPlaintext, GLWEPlaintextLayout, GLWEPublicKey, GLWEPublicKeyPrepare, GLWEPublicKeyPreparedAlloc,
+        GLWESecret, GLWESecretPrepare, GLWESecretPreparedAlloc, LWEInfos,
         compressed::GLWECompressed,
         prepared::{GLWEPublicKeyPrepared, GLWESecretPrepared},
     },
@@ -18,13 +18,8 @@ };
 
 pub fn test_glwe_encrypt_sk<BE: Backend>(module: &Module<BE>)
 where
-    Module<BE>: GLWEAlloc
-        + GLWEEncryptSk<BE>
-        + GLWEDecrypt<BE>
-        + GLWESecretPreparedAlloc<BE>
-        + GLWESecretPrepare<BE>
-        + VecZnxFillUniform
-        + GLWESub,
+    Module<BE>:
+        GLWEEncryptSk<BE> + GLWEDecrypt<BE> + GLWESecretPreparedAlloc<BE> + GLWESecretPrepare<BE> + VecZnxFillUniform + GLWESub,
     ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
     Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
 {
@@ -48,9 +43,9 @@ base2k: base2k.into(),
             k: k_pt.into(),
         };
 
-        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(module, &glwe_infos);
-        let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, &pt_infos);
-        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, &pt_infos);
+        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_infos);
+        let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&pt_infos);
+        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&pt_infos);
 
         let mut source_xs: Source = Source::new([0u8; 32]);
         let mut source_xe: Source = Source::new([0u8; 32]);
@@ -59,7 +54,7 @@
         let mut scratch: ScratchOwned<BE> =
             ScratchOwned::alloc(GLWE::encrypt_sk_tmp_bytes(module, &glwe_infos) | GLWE::decrypt_tmp_bytes(module, &glwe_infos));
 
-        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(module, &glwe_infos);
+        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
         sk.fill_ternary_prob(0.5, &mut source_xs);
 
         let mut sk_prepared: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc(module, rank.into());
@@ -89,8 +84,7 @@ }
 
 pub fn test_glwe_compressed_encrypt_sk<BE: Backend>(module: &Module<BE>)
 where
-    Module<BE>: GLWEAlloc
-        + GLWECompressedEncryptSk<BE>
+    Module<BE>: GLWECompressedEncryptSk<BE>
         + GLWEDecrypt<BE>
         + GLWESecretPreparedAlloc<BE>
         + GLWESecretPrepare<BE>
@@ -120,10 +114,10 @@ base2k: base2k.into(),
             k: k_pt.into(),
         };
 
-        let mut ct_compressed: GLWECompressed<Vec<u8>> = GLWECompressed::alloc_from_infos(module, &glwe_infos);
+        let mut ct_compressed: GLWECompressed<Vec<u8>> = GLWECompressed::alloc_from_infos(&glwe_infos);
 
-        let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, &pt_infos);
-        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, &pt_infos);
+        let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&pt_infos);
+        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&pt_infos);
 
         let mut source_xs: Source = Source::new([0u8; 32]);
         let mut source_xe: Source = Source::new([0u8; 32]);
@@ -133,7 +127,7 @@ let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(
             GLWECompressed::encrypt_sk_tmp_bytes(module, &glwe_infos) | GLWE::decrypt_tmp_bytes(module, &glwe_infos),
         );
 
-        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(module, &glwe_infos);
+        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
         sk.fill_ternary_prob(0.5, &mut source_xs);
 
         let mut sk_prepared: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc(module, rank.into());
@@ -152,7 +146,7 @@ &mut source_xe,
             scratch.borrow(),
         );
 
-        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(module, &glwe_infos);
+        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_infos);
         ct.decompress(module, &ct_compressed);
 
         ct.decrypt(module, &mut pt_have, &sk_prepared, scratch.borrow());
@@ -172,13 +166,8 @@ }
 
 pub fn test_glwe_encrypt_zero_sk<BE: Backend>(module: &Module<BE>)
 where
-    Module<BE>: GLWEAlloc
-        + GLWEEncryptSk<BE>
-        + GLWEDecrypt<BE>
-        + GLWESecretPreparedAlloc<BE>
-        + GLWESecretPrepare<BE>
-        + VecZnxFillUniform
-        + GLWESub,
+    Module<BE>:
+        GLWEEncryptSk<BE> + GLWEDecrypt<BE> + GLWESecretPreparedAlloc<BE> + GLWESecretPrepare<BE> + VecZnxFillUniform + GLWESub,
     ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
     Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
 {
@@ -195,7 +184,7 @@ k: k_ct.into(),
             rank: rank.into(),
         };
 
-        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, &glwe_infos);
+        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&glwe_infos);
 
         let mut source_xs: Source = Source::new([0u8; 32]);
         let mut source_xe: Source = Source::new([1u8; 32]);
@@ -204,13 +193,13 @@
         let mut scratch: ScratchOwned<BE> =
             ScratchOwned::alloc(GLWE::decrypt_tmp_bytes(module, &glwe_infos) | GLWE::encrypt_sk_tmp_bytes(module, &glwe_infos));
 
-        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(module, &glwe_infos);
+        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
         sk.fill_ternary_prob(0.5, &mut source_xs);
 
         let mut sk_prepared: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc(module, rank.into());
         sk_prepared.prepare(module, &sk);
 
-        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(module, &glwe_infos);
+        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_infos);
 
         ct.encrypt_zero_sk(
             module,
@@ -227,8 +216,7 @@ }
 
 pub fn test_glwe_encrypt_pk<BE: Backend>(module: &Module<BE>)
 where
-    Module<BE>: GLWEAlloc
-        + GLWEEncryptPk<BE>
+    Module<BE>: GLWEEncryptPk<BE>
         + GLWEPublicKeyPrepare<BE>
         + GLWEPublicKeyPreparedAlloc<BE>
         + GLWEPublicKeyGenerate<BE>
@@ -253,9 +241,9 @@ k: k_ct.into(),
             rank: rank.into(),
         };
 
-        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(module, &glwe_infos);
-        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, &glwe_infos);
-        let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, &glwe_infos);
+        let mut ct: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_infos);
+        let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&glwe_infos);
+        let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&glwe_infos);
 
         let mut source_xs: Source = Source::new([0u8; 32]);
         let mut source_xe: Source = Source::new([0u8; 32]);
@@ -265,13 +253,13 @@
         let mut scratch: ScratchOwned<BE> =
             ScratchOwned::alloc(GLWE::decrypt_tmp_bytes(module, &glwe_infos) | GLWE::encrypt_pk_tmp_bytes(module, &glwe_infos));
 
-        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(module, &glwe_infos);
+        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&glwe_infos);
         sk.fill_ternary_prob(0.5, &mut source_xs);
 
         let mut sk_prepared: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc(module, rank.into());
         sk_prepared.prepare(module, &sk);
 
-        let mut pk: GLWEPublicKey<Vec<u8>> = GLWEPublicKey::alloc_from_infos(module, &glwe_infos);
+        let mut pk: GLWEPublicKey<Vec<u8>> = GLWEPublicKey::alloc_from_infos(&glwe_infos);
         pk.generate(module, &sk_prepared, &mut source_xa, &mut source_xe);
 
         module.vec_znx_fill_uniform(base2k, &mut pt_want.data, 0, &mut source_xa);

@@ -1,19 +1,26 @@
 use poulpy_hal::{
     api::{
-        ScratchAvailable, ScratchOwnedAlloc, ScratchOwnedBorrow, SvpApplyDftToDft, VecZnxBigAlloc, VecZnxBigNormalize, VecZnxCopy, VecZnxDftAlloc, VecZnxDftApply, VecZnxFillUniform, VecZnxIdftApplyTmpA, VecZnxSubScalarInplace, VecZnxSwitchRing
-    }, layouts::{Backend, Module, Scratch, ScratchOwned, VecZnxDft}, oep::{VecZnxNormalizeImpl, VecZnxNormalizeInplaceImpl}, source::Source
+        ScratchAvailable, ScratchOwnedAlloc, ScratchOwnedBorrow, SvpApplyDftToDft, VecZnxBigAlloc, VecZnxBigNormalize,
+        VecZnxCopy, VecZnxDftAlloc, VecZnxDftApply, VecZnxFillUniform, VecZnxIdftApplyTmpA, VecZnxSubScalarInplace,
+        VecZnxSwitchRing,
+    },
+    layouts::{Backend, Module, Scratch, ScratchOwned, VecZnxDft},
+    source::Source,
 };
 
 use crate::{
-    decryption::GLWEDecrypt, encryption::SIGMA, layouts::{
-        prepared::GLWESecretPrepared, Dsize, GLWEPlaintext, GLWESecret, GLWESecretPrepare, GLWESecretPreparedAlloc, TensorKey, TensorKeyAlloc, TensorKeyCompressed, TensorKeyLayout
-    }, GGLWETensorKeyCompressedEncryptSk, ScratchTakeCore, TensorKeyEncryptSk
+    GGLWETensorKeyCompressedEncryptSk, ScratchTakeCore, TensorKeyEncryptSk,
+    decryption::GLWEDecrypt,
+    encryption::SIGMA,
+    layouts::{
+        Dsize, GLWEPlaintext, GLWESecret, GLWESecretPrepare, GLWESecretPreparedAlloc, TensorKey, TensorKeyCompressed,
+        TensorKeyLayout, prepared::GLWESecretPrepared,
+    },
 };
 
 pub fn test_gglwe_tensor_key_encrypt_sk<BE: Backend>(module: &Module<BE>)
 where
     Module<BE>: TensorKeyEncryptSk<BE>
-        + TensorKeyAlloc
         + GLWESecretPrepare<BE>
         + GLWESecretPreparedAlloc<BE>
         + GLWEDecrypt<BE>
@@ -43,18 +50,15 @@ dsize: Dsize(1),
             rank: rank.into(),
         };
 
-        let mut tensor_key: TensorKey<Vec<u8>> = TensorKey::alloc_from_infos(module, &tensor_key_infos);
+        let mut tensor_key: TensorKey<Vec<u8>> = TensorKey::alloc_from_infos(&tensor_key_infos);
 
         let mut source_xs: Source = Source::new([0u8; 32]);
         let mut source_xe: Source = Source::new([0u8; 32]);
         let mut source_xa: Source = Source::new([0u8; 32]);
 
-        let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(TensorKey::encrypt_sk_tmp_bytes(
-            module,
-            &tensor_key_infos,
-        ));
+        let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(TensorKey::encrypt_sk_tmp_bytes(module, &tensor_key_infos));
 
-        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(module, &tensor_key_infos);
+        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&tensor_key_infos);
         sk.fill_ternary_prob(0.5, &mut source_xs);
         let mut sk_prepared: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc(module, rank.into());
         sk_prepared.prepare(module, &sk);
@@ -67,11 +71,11 @@ &mut source_xe,
             scratch.borrow(),
         );
 
-        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, &tensor_key_infos);
+        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&tensor_key_infos);
 
         let mut sk_ij_dft = module.vec_znx_dft_alloc(1, 1);
         let mut sk_ij_big = module.vec_znx_big_alloc(1, 1);
-        let mut sk_ij: GLWESecret<Vec<u8>> = GLWESecret::alloc(module, 1_u32.into());
+        let mut sk_ij: GLWESecret<Vec<u8>> = GLWESecret::alloc(n.into(), 1_u32.into());
         let mut sk_dft: VecZnxDft<Vec<u8>, BE> = module.vec_znx_dft_alloc(rank, 1);
 
         for i in 0..rank {
@@ -92,9 +96,7 @@ 0,
                     scratch.borrow(),
                 );
                 for row_i in 0..dnum {
-                    let ct = tensor_key
-                    .at(i, j)
-                    .at(row_i, 0);
+                    let ct = tensor_key.at(i, j).at(row_i, 0);
 
                     ct.decrypt(module, &mut pt, &sk_prepared, scratch.borrow());
 
@@ -111,20 +113,19 @@
 pub fn test_gglwe_tensor_key_compressed_encrypt_sk<BE: Backend>(module: &Module<BE>)
 where
     Module<BE>: TensorKeyEncryptSk<BE>
-    + TensorKeyAlloc
-    + GLWESecretPrepare<BE>
-    + GLWESecretPreparedAlloc<BE>
-    + GGLWETensorKeyCompressedEncryptSk<BE>
-    + GLWEDecrypt<BE>
-    + VecZnxDftAlloc<BE>
-    + VecZnxBigAlloc<BE>
-    + VecZnxDftApply<BE>
-    + SvpApplyDftToDft<BE>
-    + VecZnxIdftApplyTmpA<BE>
-    + VecZnxSubScalarInplace
-    + VecZnxFillUniform
-    + VecZnxCopy
-    + VecZnxSwitchRing,
+        + GLWESecretPrepare<BE>
+        + GLWESecretPreparedAlloc<BE>
+        + GGLWETensorKeyCompressedEncryptSk<BE>
+        + GLWEDecrypt<BE>
+        + VecZnxDftAlloc<BE>
+        + VecZnxBigAlloc<BE>
+        + VecZnxDftApply<BE>
+        + SvpApplyDftToDft<BE>
+        + VecZnxIdftApplyTmpA<BE>
+        + VecZnxSubScalarInplace
+        + VecZnxFillUniform
+        + VecZnxCopy
+        + VecZnxSwitchRing,
     // + VecZnxNormalizeInplaceImpl<BE>
     // + VecZnxNormalizeImpl<BE>,
     ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
@@ -145,7 +146,7 @@ dsize: Dsize(1),
             rank: rank.into(),
         };
 
-        let mut tensor_key_compressed: TensorKeyCompressed<Vec<u8>> = TensorKeyCompressed::alloc_from_infos(module, &tensor_key_infos);
+        let mut tensor_key_compressed: TensorKeyCompressed<Vec<u8>> = TensorKeyCompressed::alloc_from_infos(&tensor_key_infos);
 
         let mut source_xs: Source = Source::new([0u8; 32]);
         let mut source_xe: Source = Source::new([0u8; 32]);
@@ -155,7 +156,7 @@ module,
             &tensor_key_infos,
         ));
 
-        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(module, &tensor_key_infos);
+        let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc_from_infos(&tensor_key_infos);
         sk.fill_ternary_prob(0.5, &mut source_xs);
         let mut sk_prepared: GLWESecretPrepared<Vec<u8>, BE> = GLWESecretPrepared::alloc(module, rank.into());
         sk_prepared.prepare(module, &sk);
@@ -164,14 +165,14 @@ let seed_xa: [u8; 32] = [1u8; 32];
 
         tensor_key_compressed.encrypt_sk(module, &sk, seed_xa, &mut source_xe, scratch.borrow());
 
-        let mut tensor_key: TensorKey<Vec<u8>> = TensorKey::alloc_from_infos(module, &tensor_key_infos);
+        let mut tensor_key: TensorKey<Vec<u8>> = TensorKey::alloc_from_infos(&tensor_key_infos);
         tensor_key.decompress(module, &tensor_key_compressed);
 
-        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(module, &tensor_key_infos);
+        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&tensor_key_infos);
 
         let mut sk_ij_dft = module.vec_znx_dft_alloc(1, 1);
         let mut sk_ij_big = module.vec_znx_big_alloc(1, 1);
-        let mut sk_ij: GLWESecret<Vec<u8>> = GLWESecret::alloc(module, 1_u32.into());
+        let mut sk_ij: GLWESecret<Vec<u8>> = GLWESecret::alloc(n.into(), 1_u32.into());
         let mut sk_dft: VecZnxDft<Vec<u8>, BE> = module.vec_znx_dft_alloc(rank, 1);
 
         for i in 0..rank {