From 63668bb045c66789327da8a1c0909846e691aec0 Mon Sep 17 00:00:00 2001
From: Sun Yimin <emmansun@users.noreply.github.com>
Date: Fri, 25 Nov 2022 10:27:21 +0800
Subject: [PATCH] sm9: remove duplicated code

---
 sm9/sm9.go | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sm9/sm9.go b/sm9/sm9.go
index 24e2c1e..3a373b1 100644
--- a/sm9/sm9.go
+++ b/sm9/sm9.go
@@ -473,9 +473,6 @@ func DecryptASN1(priv *EncryptPrivateKey, uid, ciphertext []byte) ([]byte, error
 	if err != nil {
 		return nil, err
 	}
-	if err != nil {
-		return nil, err
-	}
 
 	hash := sm3.New()
 	hash.Write(c2Bytes)