For smart home products, the general public is still most concerned about security issues. When it comes to security, the most sensitive smart home products are smart locks. Then about smart lock security, users need to know two concepts.
Two concepts that users need to understand about smart lock security
1, remote unlock
In order to solve the problem of not having a key or sending a key, some smart lock manufacturers have designed a remote unlocking function. However, as long as the door lock has a remote unlock function, there is a security risk of being hacked, although in theory there can be no security risk, but so far, no software is completely flawless. Once this mechanism is successfully attacked by hackers, all installed locks may be opened remotely, which poses a great security risk. And the hackers sitting at home from the remote open the door locks and the thief with tools to carry out the door, the risk is completely different, more convenient to the "cultured" bad people.
2, online password
Remotely sending passwords is another solution for intelligent electronic lock manufacturers to solve the problem of not having a key or sending a key. However, using the “online password†mechanism to send passwords is inherently a security risk equivalent to “remote unlockingâ€. Once a door lock manufacturer's server is controlled by an attacker, all door locks can be set to the simplest and most consistent passwords. "123456", which is permanently valid, is synchronized in real time with the door lock via an online mechanism so that all installed door locks can be opened with this universal password.
However, in some occasions, smart electronic locks must adopt this strategy. Smart lock manufacturers need to open smart electronic locks. Some bicycle smart locks may adopt such a strategy. Although the security properties of such smart electronic locks are not high, they are also cracked. It will only affect the bicycle itself and it is difficult to involve the user’s property and personal safety. However, if personal homes are used, safety considerations are not enough.
The "remote unlocking" function and the "online password" mechanism are still inherently a lot of security risks.
Then, is there a safe solution to the pain point of "No key or key?"
Of course the answer is yes. Send key problems can be solved with a one-time password function. The so-called one-time password means that when a friend arrives at the door, the owner can send a one-time password via SMS via the APP. This password is automatically invalidated after being entered once, and is generally limited by the time limit. Of course, the above-mentioned one-time password must be an “offline passwordâ€, that is, this password can be realized when the door lock is not connected to the Internet.
The implementation mechanism of the “offline password†technology path is that when the door lock is registered, the door lock and the APP/server system will negotiate an algorithm seed and the corresponding algorithm, and then at any time, if you want to use the password, lock and APP/server The system will calculate according to the algorithm seeds and algorithms negotiated at the time of registration, so even when the lock is not connected to the network, a one-time password can be sent to the other side through the APP. If, on the other hand, the door lock is also networked when the password is sent, it can only be called an "online password."
The security of the door lock interconnection is completely possible. Security is not based on the user's perception. It mainly depends on the security policy selection of the smart electronic lock manufacturers. There is not enough technical strength to provide absolute security services. It will become one of the most critical thresholds for smart locks and smart home manufacturers to compete in the future. Being a responsible company is a choice.
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