diff --git a/src/unlocker/utils.cpp b/src/unlocker/utils.cpp
new file mode 100644
index 0000000..a0dd62a
--- /dev/null
+++ b/src/unlocker/utils.cpp
@@ -0,0 +1,11 @@
+#include "utils.h"
+
+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;
+}
diff --git a/src/unlocker/utils.h b/src/unlocker/utils.h
new file mode 100644
index 0000000..dac0119
--- /dev/null
+++ b/src/unlocker/utils.h
@@ -0,0 +1,8 @@
+#pragma once
+
+#include <string>
+
+namespace utils
+{
+    std::string randomizeString(size_t length);
+}