Store zero before returning in ecmul trivial cases (matter-labs#123)

lambdaclass · Sep 22, 2023 · 3044527 · 3044527
1 parent cc25b14
commit 3044527
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/precompiles/EcMul.yul b/precompiles/EcMul.yul
@@ -373,6 +373,8 @@ object "EcMul" {
 
             if affinePointIsInfinity(x, y) {
                 // Infinity * scalar = Infinity
+                mstore(0x00, 0x00)
+                mstore(0x20, 0x00)
                 return(0x00, 0x40)
             }
 
@@ -386,6 +388,8 @@ object "EcMul" {
 
             if eq(scalar, 0) {
                 // P * 0 = Infinity
+                mstore(0x00, 0x00)
+                mstore(0x20, 0x00)
                 return(0x00, 0x40)
             }
             if eq(scalar, 1) {