possibility to apply a position information as part of a user’s authentication
DESCRIPTION
Possibility to apply a position information as part of a user’s authentication. David Jaroš, Radek Kuchta, Radimír Vrba. Security and Protection of Information 2009. Content s. Introduction Position determination GPS (Global Position ing System) Bluetooth Authentication process - PowerPoint PPT PresentationTRANSCRIPT
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David Jaroš, Radek Kuchta, Radimír VrbaSecurity and Protection of Information
2009
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ContentsIntroductionPosition determinationGPS (Global Positioning System)BluetoothAuthentication process Authentication deviceConclusions
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Introductionauthentication necessity
o download emails,o fill out forms for the government,o access to company private information
position as factor of authentication (FOA)o GSM network,o Wi-Fi AP, o GPS or the other navigation system
GPS as one of useful possibilities of FOA
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Position determinationThree basic conditions
1. space description 2. anchor points with
known position3. distance between
subject and anchor point
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GPS developed in the 1970s by U.S.
Department of Defense initially designed for 24 satellites
(about 32 satellites on the present) 20 200 km AGL 3.8 kms-1
extremely accurate clock (atomic clock in satellites and pseudoatomic clock in receiver)
visibility at least 4 satellites (3-dimensional position)
transmition time stamp in specially coded signal
protocol - NMEA 0183 interfaces – UART, IIC, USB, SPI update position up to 4 Hz
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Bluetoothwireless low-power technology for data exchange over short distances
The other suitable wireless technologies:
•Wi-Fi•Zigbee •IQRF
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Authentication process
Communication sequence used for user authentication with position information
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Authentication deviceauthentication
device is connected to user’s terminal via USB
fingerprint readeralpha numeric
displaysecure data
repositoryGPS receiver
Authentication device
Alphanumeric LCD Display
Keyboard / Fingerprint Reader
Central Processor
UnitUSB
Power Management
Secure Data Repository
GPS Receiver
Users Terminal
Authentication Server
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Conclusionposition as new factor of authenticationbasic principle of position determinationexploitation of GPS and Bluetoothauthentication processauthentication device