From 379488f36a9d740e0d7d34fd782536e3fb8cd5ba Mon Sep 17 00:00:00 2001
From: "Weikai.Zhao" <weikaizhao@zju.edu.cn>
Date: Thu, 12 May 2022 18:27:03 +0800
Subject: [PATCH] replace mul with gmul in pk_from_sk function

---
 src/sm2/signature.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sm2/signature.rs b/src/sm2/signature.rs
index 7dc73c4..c756467 100644
--- a/src/sm2/signature.rs
+++ b/src/sm2/signature.rs
@@ -313,7 +313,7 @@ impl SigCtx {
         if *sk >= *curve.get_n() || *sk == BigUint::zero() {
             return Err(Sm2Error::InvalidSecretKey);
         }
-        curve.mul(sk, &curve.generator()?)
+        curve.g_mul(sk)
     }
 
     pub fn load_pubkey(&self, buf: &[u8]) -> Result<Point, Sm2Error> {