An ic card security algorithm applied to intelligent door lock

A security algorithm and smart door lock technology, which is applied to secure communication devices and key distribution, to achieve the effects of increasing algorithm costs, improving security performance and confidentiality, and quickly unlocking operations

Active Publication Date: 2021-06-29
深圳市明华澳汉智能卡有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

You can also find information and materials by cracking and copying the M1 card, which poses a great security risk

Method used

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  • An ic card security algorithm applied to intelligent door lock
  • An ic card security algorithm applied to intelligent door lock

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] Please refer to figure 1 and figure 2 , the present invention provides an IC card security algorithm applied to smart door locks, including: a card issuing process and an unlocking process, and the card issuing process includes the following steps: Step A1: generating a random number, and writing the random number into an IC card A file; step A2: generate the key factor by the random number; step A3: generate key data by the key factor and the UID of the IC card; step A4: generate the key data by the card number and password of the IC card Key data produces ciphertext data; Step A5: write described ciphertext data in the B file of described IC card; Described unlocking process comprises the following steps: Step B1: door lock reads the UID, A of described IC card File information and B file information; step B2: the door lock obtain...

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Abstract

The invention discloses an IC card security algorithm applied to an intelligent door lock, comprising: a card issuing process and an unlocking process, and the card issuing process includes the following steps: Step A1: generating a random number, and writing the random number into the A file of the IC card; step A2: generate key factor by random number; step A3: generate key data by key factor and UID of IC card; step A4: generate ciphertext data by IC card card number and key data; step A5: generate ciphertext The data is written into the B file of the IC card; the unlocking process includes the following steps: Step B1: the door lock reads the UID, A file information and B file information of the IC card; Step B2: the door lock obtains the card number of the IC card; Step B3: The door lock compares the card number of the IC card with the card number in the system to determine whether to unlock. The present invention can greatly improve safety performance and confidentiality, and is more convenient in use, and can support door lock systems without safe computing capabilities.

Description

technical field [0001] The invention relates to the technical field of intelligent door locks, in particular to an IC card security algorithm applied to intelligent door locks. Background technique [0002] Smart door locks are different from traditional mechanical door locks. On the basis of electronic door locks, functions such as fingerprints, passwords, IC cards and network connections are added to increase security and maximize convenience. The door lock can communicate with the mobile phone APP through the Bluetooth module and WIFI module to realize the management of the door lock, and perform content presentation and security management through the mobile phone screen. The use of existing door locks provides different types of use according to different groups of people. In addition to fingerprint and password methods, IC card unlocking is undoubtedly an unlocking experience similar to traditional door locks. It provides convenience for the elderly and young people, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32G07C9/00H04L9/08H04L9/06
CPCG07C9/00857H04L9/0625H04L9/0866H04L9/0869
Inventor 李翔吴晓明
Owner 深圳市明华澳汉智能卡有限公司
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