A remote authorization method for access control

Abstract

The invention relates to the field of safety protection, and in particular relates to an access control remote authorization method which comprises the following steps of acquiring information to be authorized by a control unit, and encrypting the information to be authorized by combining information acquisition time to form first encrypted information; sending the first encrypted information into an authorization unit by the control unit; decrypting the first encrypted information by the authorization unit to form first decrypted information, and confirming the first decrypted information; encrypting the first decrypted information by combining the confirmation information by the authorization unit to form second encrypted information, and sending the second encrypted information into the control unit; decrypting the second encrypted information by the control unit to form second decrypted information, and confirming the information by verification; and executing access control remote authorization operation. According to the access control remote authorization method, an encryption module and a communication module are arranged in the control unit and the authorization unit, respectively, so that the safety of the information to be authorized is guaranteed in the communication process, and the remote communication between the control unit and the authorization unit can be realized.

Description

technical field [0001] The invention relates to the field of security protection, in particular to an access control authorization method. Background technique [0002] As an important means for people to protect their own property, security has been paid more and more attention by people. As the most important part of security and also the most basic part, access control system is applied to almost all communities. Existing access control systems usually collect user information by swiping electronic cards and entering passwords to confirm the legal identity of the user, and at the same time judge whether the request is legal by comparing the information in the database with the access control unit. [0003] However, there are still great risks in the current access control system. For example, the electronic card is easy to imitate, and once the cardholder loses the electronic card, he will not be able to enter the access control, or if the electronic card is picked up by ...

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