From e4e03277b57041229bc406d71ec9fcaff79aebc8 Mon Sep 17 00:00:00 2001
From: Arthur Meyre <arthur.meyre@zama.ai>
Date: Sat, 15 Feb 2025 13:19:50 +0100
Subject: [PATCH] fix(shortint): fix CompressedModulusSwitchNoiseReductionKey
 generation

- was using the wrong seeded encryption API resulting in garbage values
when decompressing
---
 .../shortint/server_key/modulus_switch_noise_reduction.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tfhe/src/shortint/server_key/modulus_switch_noise_reduction.rs b/tfhe/src/shortint/server_key/modulus_switch_noise_reduction.rs
index 42b4be147..aaa58b5a3 100644
--- a/tfhe/src/shortint/server_key/modulus_switch_noise_reduction.rs
+++ b/tfhe/src/shortint/server_key/modulus_switch_noise_reduction.rs
@@ -225,22 +225,22 @@ impl CompressedModulusSwitchNoiseReductionKey {
 
         // Parallelism allowed
         #[cfg(any(not(feature = "__wasm_api"), feature = "parallel-wasm-api"))]
-        par_encrypt_seeded_lwe_ciphertext_list_with_existing_generator(
+        par_encrypt_seeded_lwe_ciphertext_list(
             secret_key,
             &mut modulus_switch_zeros,
             &plaintext_list,
             lwe_noise_distribution,
-            &mut engine.encryption_generator,
+            &mut engine.seeder,
         );
 
         // No parallelism allowed
         #[cfg(all(feature = "__wasm_api", not(feature = "parallel-wasm-api")))]
-        encrypt_seeded_lwe_ciphertext_list_with_existing_generator(
+        encrypt_seeded_lwe_ciphertext_list(
             secret_key,
             &mut modulus_switch_zeros,
             &plaintext_list,
             lwe_noise_distribution,
-            &mut engine.encryption_generator,
+            &mut engine.seeder,
         );
 
         Self {