Ec::mulSmallInt errors if negative

5 years ago · 13d9500f3f
parent 846b4ff8f6
commit 13d9500f3f
1 changed files with 1 additions and 1 deletions
--- a/include/mcl/ec.hpp
+++ b/include/mcl/ec.hpp
@ -994,7 +994,7 @@ public:
 	bool operator<=(const EcT& rhs) const { return !operator>(rhs); }
 	static inline void mulArray(EcT& z, const EcT& x, const fp::Unit *y, size_t yn, bool isNegative, bool constTime = false)
 	{
-		if (!constTime && yn == 1 && *y <= 16) {
+		if (!constTime && yn == 1 && *y <= 16 && !isNegative) {
 			if (mulSmallInt(z, x, static_cast<int>(*y), isNegative)) return;
 		}
 		if (mulArrayGLV && (constTime || yn > 1)) {