On May 20th, the 2017 National Science and Technology Week and Beijing Science and Technology Week home event opened at the Beijing National Culture Palace. This year's Science and Technology Week, with the theme of "Science and Technology Powering the Country, Innovation and Realization", showcased many technological innovation products and popular science interactive experience facilities. In the "Creative Thinking" exhibition hall, the "Interconnected Smart Door Lock" project exhibited by Beijing Yaoguang Intelligent Technology Co., Ltd. has won the attention of many audiences due to its innovative technology and novel design experience.
In recent years, smart door locks have frequently appeared in various industry exhibitions such as smart home exhibitions and security fairs, and the attention is very high. But which functions of the smart door lock are really practical and which functions have potential safety hazards? These are issues that the industry and users need to think about carefully.
It is understood that there are three main types of door locks on the market today. The most common is mechanical locks, which are unlocked with keys daily; the second type is fingerprint password locks, which are electronic locks that do not need to carry keys, but use fingerprints or The password is set to open the door; the third type is a smart lock, which usually has a network function, provides a mobile phone App for remote authority management, and there will be a telephone warning when the door is hacked.
"The door lock is different from other smart homes. It is a safety product that concerns the personal and property safety of consumers. We hope to make a responsible product that can truly solve the pain points of users without bringing new hidden dangers. We What we do is not only a smart lock, we also hope that through a shaker lock, every family can feel the security and protection brought by technology.†said Mianzi Yu, the founder of shaker.
The technical team members of Yaoguang Intelligent Company are from Tsinghua University, Beihang University, Shanghai Jiaotong University and other universities. Yaoguang Intelligent Company is the second venture of the founding team. Talking about the direction of entrepreneurship, team members said that although the door lock is a hardware product, it does not seem to have temperature, but it is a psychological safety barrier for users. Through technological innovation, users can get information about home anytime and anywhere, and feel the convenience and caring brought by technology at will. This is the goal pursued by Yaoguang.
In this science and technology week, the "interconnected smart door lock" product exhibited by Yaoguang Intelligent Company has proposed unique solutions in terms of remote unlocking, offline passwords, and secret key storage.
According to reports, in order to solve the problem of not bringing the key and sending the key, some smart lock manufacturers have designed a remote unlocking function, but this function also has security risks. Therefore, the smart lock developed by Yaoguang Intelligent Company firmly prohibits the remote unlocking function, but it also provides a safe solution for the situation without a key-a one-time password.
A one-time password means that when a friend has arrived at the door and the owner is not at home, the owner can send a one-time password to the other party by text message through the APP. This password will automatically expire after being entered once, and has a time limit, and it will also expire automatically. Invalidate.
Sending a password remotely is another solution for smart lock manufacturers to solve the problem of not bringing the key or sending the key. You can choose to send a one-time password or a time-limited password for a certain period of time. If this kind of password uses the "online password" mechanism, it essentially has a security risk equivalent to that of "remote unlocking". Once the server of the door lock manufacturer is controlled by the attacker, all door locks of this brand can be set to the simplest and consistent password, such as "123456", and it is permanently valid. This kind of systemic risk is absolutely unacceptable for families.
For this reason, the realization mechanism of the "offline password" technology path of Shaoguang Smart is: when the door lock is registered, the door lock and the APP/server system will negotiate an algorithm seed and the corresponding algorithm. Afterwards, at any time, if you want to use a password, the door lock and APP/server system will calculate according to the algorithm seed and algorithm negotiated during registration, so even when the door lock is not connected to the Internet, you can send the one-time password to the other party through the APP , The door lock can identify its identity. Conversely, if the door lock is also connected to the Internet when sending a password, it can only be called an "online password".
A related person from Yaoguang Intelligent Company also stated that some smart lock manufacturers will directly store the user's unlock key on the server. This mechanism will cause data leakage risk if the server is attacked. On the other hand, there are also factory staff. Guard against the risk of theft.
According to reports, Yaoguang Smart uses a mechanism that does not store the user's key on its own server, and neither company insiders nor hackers can obtain the key to open the door lock.
However, people from Yaoguang Intelligent Company also reminded that one cannot simply trust some of the gimmick functions of smart door locks advertised by manufacturers. The first thing that home door locks ensure is safety. To achieve a complete security strategy, a large number of technical means are needed to ensure it, and the technical strength of the manufacturer is still very important.
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