One time password system for the Safe

On November 1st 2014, at head office of Ngoc Tham Jewelry Company in My Tho City, TienGiang Province, Mr.Nguyen Ngoc Son- General Director of Ngoc Tham Jewelry Company (NTJ) ( and Mr.BuiTrung Hieu- President of NhaTrangHitech Company (NHTC) ( have officially signed a contract that NHTC will research, design and provide NTJ with solutions for safe remote control management by using one-time used password generator system with which the electric circuit in safe and central server is specially designed. Communication is based on the infrastructure of telephone and Internet network. Decentralized management interface is developed on iOS platform (iPad / iPhone) and Windows( PC).

The solution also includes safety package “early warning” when the extraordinary impacts on safe, as when external force or displacement, thermal effects … the system will immediately send warning to the manager. All actions are recorded on television, online updates to the management interface via computer or smart phone.

The system was deployed on a trial in factories, will then be applied in 9 branches across the system of NTJ.

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