added clearing of CKKS encoding after decryption (#859)

Co-authored-by: Yuriy Polyakov <ypolyakod@dualitytech.com>
openfheorg · Sep 9, 2024 · 681553d · 681553d
1 parent ac00c37
commit 681553d
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/pke/lib/encoding/ckkspackedencoding.cpp b/src/pke/lib/encoding/ckkspackedencoding.cpp
@@ -457,6 +457,9 @@ bool CKKSPackedEncoding::Decode(size_t noiseScaleDeg, double scalingFactor, Scal
 
             curValues[i] = cur;
         }
+
+        // clears the values containing information about the noise
+        GetElement<NativePoly>().SetValuesToZero();
     }
     else {
         powP = pow(2, -p);
@@ -486,6 +489,9 @@ bool CKKSPackedEncoding::Decode(size_t noiseScaleDeg, double scalingFactor, Scal
 
             curValues[i] = cur;
         }
+
+        // clears the values containing information about the noise
+        GetElement<Poly>().SetValuesToZero();
     }
 
     // the code below adds a Gaussian noise to the decrypted result