diff --git a/src/lib/shared/SerialKey.cpp b/src/lib/shared/SerialKey.cpp
new file mode 100644
index 00000000..2b5f6040
--- /dev/null
+++ b/src/lib/shared/SerialKey.cpp
@@ -0,0 +1,60 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2016 Symless Ltd.
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file LICENSE that should have accompanied this file.
+ * 
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "SerialKey.h"
+
+SerialKey::SerialKey(std::string serial) :
+	m_userLimit(1),
+	m_warnTime(1),
+	m_expireTime(1),
+	m_trial(true)
+{
+	m_userLimit = 1;
+	m_warnTime = 1;
+	m_expireTime = 1;
+	m_trial = true;
+}
+	
+bool
+SerialKey::isValid(unsigned long long currentTime) const
+{
+	return true;
+}
+
+bool
+SerialKey::isExpiring(unsigned long long currentTime) const
+{
+	return true;
+}
+
+bool
+SerialKey::isExpired(unsigned long long currentTime) const
+{
+	return true;
+}
+
+bool
+SerialKey::isTrial() const
+{
+	return true;
+}
+
+int
+SerialKey::edition() const
+{
+	return 1;
+}
diff --git a/src/lib/shared/SerialKey.h b/src/lib/shared/SerialKey.h
index 45d9728e..d9101f41 100644
--- a/src/lib/shared/SerialKey.h
+++ b/src/lib/shared/SerialKey.h
@@ -1,6 +1,6 @@
 /*
  * synergy -- mouse and keyboard sharing utility
- * Copyright (C) 2015 Synergy Seamless Inc.
+ * Copyright (C) 2016 Symless Ltd.
  * 
  * This package is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -31,7 +31,7 @@ public:
 		
 private:
 	std::string			m_name;
-	std::string			m_type;
+	std::string			m_edition;
 	std::string			m_email;
 	std::string			m_company;
 	int					m_userLimit;