diff --git a/services/backup/docker-server/contents/server/src/Tools.h b/services/backup/docker-server/contents/server/src/Tools.h
--- a/services/backup/docker-server/contents/server/src/Tools.h
+++ b/services/backup/docker-server/contents/server/src/Tools.h
@@ -1,10 +1,12 @@
 #pragma once
 
 #include <cstdint>
+#include <string>
 
 namespace comm {
 namespace network {
 
+std::string generateRandomString(std::size_t length = 20);
 uint64_t getCurrentTimestamp();
 
 } // namespace network
diff --git a/services/backup/docker-server/contents/server/src/Tools.cpp b/services/backup/docker-server/contents/server/src/Tools.cpp
--- a/services/backup/docker-server/contents/server/src/Tools.cpp
+++ b/services/backup/docker-server/contents/server/src/Tools.cpp
@@ -1,10 +1,23 @@
 #include "Tools.h"
 
 #include <chrono>
+#include <random>
 
 namespace comm {
 namespace network {
 
+std::string generateRandomString(std::size_t length) {
+  const std::string CHARACTERS =
+      "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+  thread_local std::random_device generator;
+  std::uniform_int_distribution<> distribution(0, CHARACTERS.size() - 1);
+  std::string random_string;
+  for (std::size_t i = 0; i < length; ++i) {
+    random_string += CHARACTERS[distribution(generator)];
+  }
+  return random_string;
+}
+
 uint64_t getCurrentTimestamp() {
   using namespace std::chrono;
   return duration_cast<milliseconds>(system_clock::now().time_since_epoch())