Off-line authorization method and system for electronic lock

Abstract

The invention discloses an off-line authorization method and system for an electronic lock. The method comprises the steps as follows: generation of an authorization code: receiving setting information input by a landlord, wherein the setting information at least comprises a renting expiry date; responding a functional key excited by the landlord, and encrypting the renting expiry date and a function identification corresponding to the functional key with a preset encryption algorithm to obtain the authorization code; decoding: receiving an authorization code input by a renter; decrypting theauthorization code with a preset decryption algorithm to obtain the renting expiry date and the function identification, wherein the renting expiry date is used for being compared with a local clock;executing corresponding logic processing flow according to the function identification. With the adoption of the off-line authorization method and system, the problem that the landlord can authorize the electronic lock on site or via the network can be solved.

Description

technical field [0001] The invention relates to the authorization technology of an electronic lock. Background technique [0002] At present, house leasing often encounters the following situation: because the keys of ordinary locks are easy to prepare, after renting the property, for safety reasons, the tenant will generally replace the original door lock of the landlord and use the door lock purchased by himself. Finally, take back your own door lock and change it back to the landlord's door lock, which is inconvenient to operate. For houses that use existing electronic locks (such as fingerprint locks), the landlord needs to authorize the locks on-site when renting out. Unlock the lock normally; when the landlord is not on site, the lock cannot be unlocked temporarily. [0003] The new type of smart lock can realize the function of remote control lock when the landlord is not present when the network access is added, but the corresponding network communication module is...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the prior art, one of the purposes of the present invention is to provide an off-line authorization method for electronic locks, which can solve the problem that the landlord needs to be on site or needs a network to authorize the electronic lock

[0005] One of the purposes of the present invention is to provide an offline authorization system, which can solve the problem that the landlord needs to be on site or needs a network to authorize the electronic lock

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