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
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[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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