Visible light-activated access control method with hidden channel

Visible light-activated access control method with hidden channel

The invention discloses a visible light-activated access control method with a hidden channel. A visible light-activated access control apparatus with a hidden channel is established that comprises a light-operated access control lock and a mobile unlocking terminal; unlocking is controlled via mutu...

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1. Verfasser: DENG JIANZHI
Format: Patent
Sprache:eng
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ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE
CHECKING-DEVICES
GENERATING RANDOM NUMBERS
PHYSICS
REGISTERING OR INDICATING THE WORKING OF MACHINES
TIME OR ATTENDANCE REGISTERS
VOTING OR LOTTERY APPARATUS
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creator DENG JIANZHI
description The invention discloses a visible light-activated access control method with a hidden channel. A visible light-activated access control apparatus with a hidden channel is established that comprises a light-operated access control lock and a mobile unlocking terminal; unlocking is controlled via mutual certification between the lock and the terminal. The hidden channel is established with a backlight module and a light key receiving module, and key light signals are transmitted via lighting backlight. The light-operated access control lock certificates validity of the moving unlocking terminal via light information transmitted by a light transmitting module, so that an illegal mobile unlocking terminal is avoided trying to unlock the access control. The mobile unlocking terminal certificates the validity of the light-operated access control lock jointly via graphic symbols of a display module and hidden key backlight signals of the backlight module, thereby preventing a fake light-operated access control lock from intercepting user information and from cracking an unlock password. By using the method, possible safety hazards of the prior art, such as information intercepting, are avoided partly, and both safety and privacy are further improved.
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A visible light-activated access control apparatus with a hidden channel is established that comprises a light-operated access control lock and a mobile unlocking terminal; unlocking is controlled via mutual certification between the lock and the terminal. The hidden channel is established with a backlight module and a light key receiving module, and key light signals are transmitted via lighting backlight. The light-operated access control lock certificates validity of the moving unlocking terminal via light information transmitted by a light transmitting module, so that an illegal mobile unlocking terminal is avoided trying to unlock the access control. The mobile unlocking terminal certificates the validity of the light-operated access control lock jointly via graphic symbols of a display module and hidden key backlight signals of the backlight module, thereby preventing a fake light-operated access control lock from intercepting user information and from cracking an unlock password. 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subjects ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE
CHECKING-DEVICES
GENERATING RANDOM NUMBERS
PHYSICS
REGISTERING OR INDICATING THE WORKING OF MACHINES
TIME OR ATTENDANCE REGISTERS
VOTING OR LOTTERY APPARATUS
title Visible light-activated access control method with hidden channel
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