From 1bc6e50b06af33aa02f34915a76a57a9cfe5cd5c Mon Sep 17 00:00:00 2001
From: Aaron3S <chenyang@fit2cloud.com>
Date: Mon, 26 Sep 2022 14:52:13 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20=E4=BC=98=E5=8C=96=E5=8E=BB=E9=99=A4?=
 =?UTF-8?q?=E7=BB=93=E5=B0=BE=E7=A9=BA=E5=AD=97=E8=8A=82=E7=9A=84=E5=86=99?=
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---
 apps/common/utils/crypto.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/common/utils/crypto.py b/apps/common/utils/crypto.py
index 994c0f087..1407c7d7d 100644
--- a/apps/common/utils/crypto.py
+++ b/apps/common/utils/crypto.py
@@ -83,7 +83,7 @@ class PiicoSM4EcbCrypto(BaseCrypto):
 
     def _decrypt(self, data: bytes) -> bytes:
         bs = self.cipher.decrypt(data)
-        return bs[:bs.index(0)]
+        return bs.rstrip(b'\0')
 
 
 class AESCrypto: