feat: add randomizeString

src/unlocker/utils.cpp

@@ -12,3 +12,13 @@ std::string utils::getExePath()
     if (pos != std::string::npos) return path.substr(0, pos + 1);
     return "";
 }
+
+std::string utils::randomizeString(size_t length)
+{
+    const char charset[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+    std::string result;
+    result.resize(length);
+    for (size_t i = 0; i < length; ++i)
+        result[i] = charset[rand() % (sizeof(charset) - 1)];
+    return result;
+}