From 74ba5156dffdfe85233a013905c5d32e86a4f9ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=B2=81=E6=A0=91=E4=BA=BA?= <lu.shuren@um-react.app>
Date: Tue, 19 Nov 2024 17:02:02 +0900
Subject: [PATCH] fix #2: do not discard trailing zero in decrypted ekey.

---
 src/qmc2/ekey.cpp | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/src/qmc2/ekey.cpp b/src/qmc2/ekey.cpp
index 161de66..83ec553 100644
--- a/src/qmc2/ekey.cpp
+++ b/src/qmc2/ekey.cpp
@@ -26,14 +26,8 @@ std::string_view span2ss(std::span<T> span) {
     return std::string_view(reinterpret_cast<char*>(span.data()), span.size());
 }
 
-void remove_trailing_zeros(std::vector<uint8_t>& vec) {
-    auto it = std::find_if(vec.rbegin(), vec.rend(), [](uint8_t value) { return value != 0; });
-    vec.erase(it.base(), vec.end());
-}
-
 std::vector<uint8_t> decrypt_ekey_v1(std::string_view ekey) {
     std::vector<uint8_t> result = b64_decode(reinterpret_cast<const uint8_t*>(ekey.data()), ekey.size());
-    remove_trailing_zeros(result);
 
     uint32_t tea_key[4] = {
         0x69005600 | static_cast<uint32_t>(result[0] << 16) | (result[1]),