diff --git a/services/tunnelbroker/src/Database/DeviceSessionItem.cpp b/services/tunnelbroker/src/Database/DeviceSessionItem.cpp
--- a/services/tunnelbroker/src/Database/DeviceSessionItem.cpp
+++ b/services/tunnelbroker/src/Database/DeviceSessionItem.cpp
@@ -41,6 +41,12 @@
 }
 
 void DeviceSessionItem::validate() const {
+  if (!validateSessionID(this->sessionID)) {
+    throw std::runtime_error("Error: SessionID format is wrong.");
+  }
+  if (!validateDeviceID(this->deviceID)) {
+    throw std::runtime_error("Error: DeviceID format is wrong.");
+  }
   checkEmptyField("pubKey", this->pubKey);
   checkEmptyField("notifyToken", this->notifyToken);
   checkEmptyField("deviceType", this->deviceType);
diff --git a/services/tunnelbroker/src/Database/MessageItem.cpp b/services/tunnelbroker/src/Database/MessageItem.cpp
--- a/services/tunnelbroker/src/Database/MessageItem.cpp
+++ b/services/tunnelbroker/src/Database/MessageItem.cpp
@@ -36,6 +36,12 @@
 }
 
 void MessageItem::validate() const {
+  if (!validateDeviceID(this->fromDeviceID)) {
+    throw std::runtime_error("Error: FromDeviceID format is wrong.");
+  }
+  if (!validateDeviceID(this->toDeviceID)) {
+    throw std::runtime_error("Error: ToDeviceID format is wrong.");
+  }
   checkEmptyField("messageID", this->messageID);
   checkEmptyField("expire", this->expire);
 }
diff --git a/services/tunnelbroker/src/Database/PublicKeyItem.cpp b/services/tunnelbroker/src/Database/PublicKeyItem.cpp
--- a/services/tunnelbroker/src/Database/PublicKeyItem.cpp
+++ b/services/tunnelbroker/src/Database/PublicKeyItem.cpp
@@ -21,6 +21,9 @@
 }
 
 void PublicKeyItem::validate() const {
+  if (!validateDeviceID(this->deviceID)) {
+    throw std::runtime_error("Error: DeviceID format is wrong.");
+  }
   checkEmptyField("publicKey", this->publicKey);
 }
 
diff --git a/services/tunnelbroker/src/Database/SessionSignItem.cpp b/services/tunnelbroker/src/Database/SessionSignItem.cpp
--- a/services/tunnelbroker/src/Database/SessionSignItem.cpp
+++ b/services/tunnelbroker/src/Database/SessionSignItem.cpp
@@ -23,6 +23,9 @@
 }
 
 void SessionSignItem::validate() const {
+  if (!validateDeviceID(this->deviceID)) {
+    throw std::runtime_error("Error: DeviceID format is wrong.");
+  }
   checkEmptyField("sign", this->sign);
 }