Code organisation for glwe

core/src/glwe/plaintext.rs

@@ -0,0 +1,80 @@
+use backend::{Backend, FFT64, Module, VecZnx, VecZnxAlloc, VecZnxToMut, VecZnxToRef};
+
+use crate::{
+    GLWEOps, Infos, SetMetaData,
+    ciphertext::{GLWECiphertext, GLWECiphertextToMut, GLWECiphertextToRef},
+    div_ceil,
+};
+
+pub struct GLWEPlaintext<C> {
+    pub data: VecZnx<C>,
+    pub basek: usize,
+    pub k: usize,
+}
+
+impl<T> Infos for GLWEPlaintext<T> {
+    type Inner = VecZnx<T>;
+
+    fn inner(&self) -> &Self::Inner {
+        &self.data
+    }
+
+    fn basek(&self) -> usize {
+        self.basek
+    }
+
+    fn k(&self) -> usize {
+        self.k
+    }
+}
+
+impl<DataSelf: AsMut<[u8]> + AsRef<[u8]>> SetMetaData for GLWEPlaintext<DataSelf> {
+    fn set_k(&mut self, k: usize) {
+        self.k = k
+    }
+
+    fn set_basek(&mut self, basek: usize) {
+        self.basek = basek
+    }
+}
+
+impl GLWEPlaintext<Vec<u8>> {
+    pub fn alloc<B: Backend>(module: &Module<B>, basek: usize, k: usize) -> Self {
+        Self {
+            data: module.new_vec_znx(1, k.div_ceil(basek)),
+            basek: basek,
+            k,
+        }
+    }
+
+    pub fn byte_of(module: &Module<FFT64>, basek: usize, k: usize) -> usize {
+        module.bytes_of_vec_znx(1, k.div_ceil(basek))
+    }
+}
+
+impl<D: AsRef<[u8]>> GLWECiphertextToRef for GLWEPlaintext<D> {
+    fn to_ref(&self) -> GLWECiphertext<&[u8]> {
+        GLWECiphertext {
+            data: self.data.to_ref(),
+            basek: self.basek,
+            k: self.k,
+        }
+    }
+}
+
+impl<D: AsMut<[u8]> + AsRef<[u8]>> GLWECiphertextToMut for GLWEPlaintext<D> {
+    fn to_mut(&mut self) -> GLWECiphertext<&mut [u8]> {
+        GLWECiphertext {
+            data: self.data.to_mut(),
+            basek: self.basek,
+            k: self.k,
+        }
+    }
+}
+
+impl<D> GLWEOps for GLWEPlaintext<D>
+where
+    D: AsRef<[u8]> + AsMut<[u8]>,
+    GLWEPlaintext<D>: GLWECiphertextToMut + Infos + SetMetaData,
+{
+}