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A smart lock is an electromechanical lock which is designed to perform locking and unlocking operations on a door when it receives such instructions from an authorized device using a wireless protocol and a cryptographic key to execute the authorization process. It also monitors access and sends alerts for the different events it monitors and some other critical events related to the status of the device. Smart locks can be considered part of a smart home. Smart locks, like the traditional locks, need two main parts to work. The lock and the key. In the case of these electronic locks, the key is not a physical key but a smartphone or a special key fob configured explicitly for this purpose which wirelessly will perform the authentication needed to automatically unlock the door. Smart Locks allow users to grant access to a third party by the means of a virtual key. This key can be sent to the recipient smartphone over standard messaging protocols such as e-mail or SMS. Once this key is received the recipient will be able to unlock the Smart Lock during the time specified previously by the sender. Smart locks are able to grant or deny access remotely via a mobile app. Certain smart locks include a built-in WiFi connection that allows for monitoring features such as access notifications or cameras to show the person requesting access. Smart locks may use Bluetooth SMART and SSL to communicate, encrypting communications using 128/256-bit AES. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Smart Lock」の詳細全文を読む スポンサード リンク
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