Added LWESecret

core/src/blind_rotation/key.rs

@@ -1,7 +1,7 @@
 use backend::{Backend, FFT64, Module, ScalarZnx, ScalarZnxAlloc, ScalarZnxToRef, Scratch, ZnxView, ZnxViewMut};
 use sampling::source::Source;
 
-use crate::{AutomorphismKey, GGSWCiphertext, GLWESecret, SecretDistribution};
+use crate::{AutomorphismKey, GGSWCiphertext, GLWESecret, LWESecret, SecretDistribution};
 
 pub struct BlindRotationKeyCGGI<B: Backend> {
     pub(crate) data: Vec<GGSWCiphertext<Vec<u8>, B>>,
@@ -27,7 +27,7 @@ impl BlindRotationKeyCGGI<FFT64> {
         &mut self,
         module: &Module<FFT64>,
         sk_glwe: &GLWESecret<DataSkGLWE, FFT64>,
-        sk_lwe: &GLWESecret<DataSkLWE, FFT64>,
+        sk_lwe: &LWESecret<DataSkLWE>,
         source_xa: &mut Source,
         source_xe: &mut Source,
         sigma: f64,

core/src/keys.rs

@@ -17,6 +17,66 @@ pub(crate) enum SecretDistribution {
     NONE,                // Unitialized
 }
 
+pub struct LWESecret<T> {
+    pub(crate) data: ScalarZnx<T>,
+    pub(crate) dist: SecretDistribution,
+}
+
+impl LWESecret<Vec<u8>> {
+    pub fn alloc(n: usize) -> Self {
+        Self {
+            data: ScalarZnx::new(n, 1),
+            dist: SecretDistribution::NONE,
+        }
+    }
+}
+
+impl<DataSelf> LWESecret<DataSelf> {
+    pub fn n(&self) -> usize {
+        self.data.n()
+    }
+
+    pub fn log_n(&self) -> usize {
+        self.data.log_n()
+    }
+
+    pub fn rank(&self) -> usize {
+        self.data.cols()
+    }
+}
+
+impl<D: AsRef<[u8]> + AsMut<[u8]>> LWESecret<D> {
+    pub fn fill_ternary_prob(&mut self, prob: f64, source: &mut Source) {
+        self.data.fill_ternary_prob(0, prob, source);
+        self.dist = SecretDistribution::TernaryProb(prob);
+    }
+
+    pub fn fill_ternary_hw(&mut self, hw: usize, source: &mut Source) {
+        self.data.fill_ternary_hw(0, hw, source);
+        self.dist = SecretDistribution::TernaryFixed(hw);
+    }
+
+    pub fn fill_binary_prob(&mut self, prob: f64, source: &mut Source) {
+        self.data.fill_binary_prob(0, prob, source);
+        self.dist = SecretDistribution::BinaryProb(prob);
+    }
+
+    pub fn fill_binary_hw(&mut self, hw: usize, source: &mut Source) {
+        self.data.fill_binary_hw(0, hw, source);
+        self.dist = SecretDistribution::BinaryFixed(hw);
+    }
+
+    pub fn fill_binary_block(&mut self, block_size: usize, source: &mut Source) {
+        self.data.fill_binary_block(0, block_size, source);
+        self.dist = SecretDistribution::BinaryBlock(block_size);
+    }
+
+    pub fn fill_zero(&mut self) {
+        self.data.zero();
+        self.dist = SecretDistribution::ZERO;
+    }
+}
+
 pub struct GLWESecret<T, B: Backend> {
     pub(crate) data: ScalarZnx<T>,
     pub(crate) data_fourier: ScalarZnxDft<T, B>,

core/src/lib.rs

@@ -5,10 +5,10 @@ pub mod gglwe_ciphertext;
 pub mod ggsw_ciphertext;
 pub mod glwe_ciphertext;
 pub mod glwe_ciphertext_fourier;
-pub mod glwe_keys;
 pub mod glwe_ops;
 pub mod glwe_packing;
 pub mod glwe_plaintext;
+pub mod keys;
 pub mod keyswitch_key;
 pub mod tensor_key;
 #[cfg(test)]
@@ -24,10 +24,10 @@ pub use gglwe_ciphertext::*;
 pub use ggsw_ciphertext::*;
 pub use glwe_ciphertext::*;
 pub use glwe_ciphertext_fourier::*;
-pub use glwe_keys::*;
 pub use glwe_ops::*;
 pub use glwe_packing::*;
 pub use glwe_plaintext::*;
+pub use keys::*;
 pub use keyswitch_key::*;
 pub use tensor_key::*;